R1510S Series. Automatic Mode Shift 36 V 300 ma LDO OUTLINE FEATURES NO.EA
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1 Series Automatic Mode Shift 36 V 3 ma LDO OUTLINE The R5S is a voltage regulator (LDO) IC with a voltage detector (VD) featuring 3mA output current that is developed with CMOS process technology. Each IC is equipped with a voltage detector and a regulator that can provide the maximum 36V of operating voltage. This device has ECO function, which achieves low-power consumption and high-speed transient response by switching the IC to low-power consumption mode at light load condition and switching to high-speed mode at heavy load condition. The switching point is internally fixed inside the IC. The IC switches from low-power consumption mode to highspeed mode when IOUT=2mA (Typ.), and switch from high-speed mode to low-power consumption mode when IOUT=3mA (Typ.). Each IC is composed of a reference voltage unit, an error amplifier, a resistor network for setting output voltage, an output current limit circuit for preventing overcurrent destruction, and a thermal shutdown circuit. The output voltage and the detector threshold are internally fixed inside the IC. The output voltage accuracy is ±.6% and the detector threshold accuracy is ±.7%. The output voltage type is Nch open drain. The versions for the IC are selectable from A version (CE, VIN Detector), B version (SENSE Detector), C version (Release Delay Circuit, VIN Detector), and D version (Release Delay Circuit, VOUT Detector). FEATURES Input Voltage Range (Maximum Rating) Max. 36.V (5V) Operating Temperature Range -4 C to 5 C Supply Current Typ. µa (High Speed Mode, VIN=4V) Supply Current Typ. 2.5µA (Low-power Consumption Mode, VIN=4V) Supply Current (Standby Mode) Typ. µa (CE=V, A Version) Output Voltage Range 2.5V to 2.V (.V step) Dropout Voltage Typ..V (IOUT=3mA, VOUT=5V) Output Voltage Accuracy ±.6% (Ta=25 C) Temperature Characteristics Typ. ±5ppm/ C (Output Voltage) Detector Threshold 2.3V to 2.V (.V steps) Detector Threshold Accuracy ±.7% (Ta=25 C) Temperature Characteristics Typ. ±ppm/ C (Detector Threshold) Output Type Nch Open Drain Line Regulation Typ..%/V Package HSOP-8E Built-in Short Current Limit Circuit Typ. 5mA Built-in Overcurrent Protection Circuit Built-in Thermal Shutdown Circuit Shutdown Temperature: Typ. 4 C, Release Temperature: Typ. 25 C Ceramic Capacitor Corresponding 6.8µF or more
2 APPLICATIONS Power source for notebook PCs, digital TVs, telephones, private LAN systems, etc. Power source for office equipments such as copiers, printers, facsimiles, scanners, and projectors BLOCK DIAGRAMS R5SxxxA R5SxxxB (CE Pin, VIN Detector) (SENSE Detector) VDD 5 VOUT VDD 5 VOUT Vref Vref CE 3 Vref Thermal Shutdown Internal Supply Voltage Current Limit 2 4 GND DOUT SENSE 3 Vref Thermal Shutdown Internal Supply Voltage Current Limit 2 4 GND DOUT R5SxxxC R5SxxxD (CD Pin, VIN Detector) (CD Pin, VOUT Detector) VDD 5 VOUT VDD 5 VOUT Vref Vref CD 3 Thermal Shutdown Current Limit 2 GND CD 3 Thermal Shutdown Current Limit 2 GND Internal Supply Voltage 4 DOUT Internal Supply Voltage 4 VDET Vref Vref 2
3 SELECTION GUIDE The users can select VR output voltage, VD detector threshold, and version that best fit their requirements. Product Name Package Quantity per Reel Pb Free Halogen Free R5Sxxx -E2-FE HSOP-8E, pcs Yes Yes xxx: Select the ideal combination of the output voltage (VOUT) and the detector threshold (-VDET) from the code number starting from. Refer to MARK SPECIFICATION TABLE for detailed information. : Select the ideal version from A to D. (A) Built-in Chip Enable, VIN Detector (B) SENSE Detector Threshold (C) Built-in Release Delay Circuit, VIN Detector (D) Built-in Release Delay Circuit, VOUT Detector PIN DESCRIPTIONS HSOP-8E Top View Bottom View Pin No. Symbol Description VOUT VR Output Pin 2 NC No Connection 3 TP* 3 Test Pin 4 DOUT VD Output Pin (Nch Open Drain) CE A Version: Chip Enable Pin ( H Active) 5 SENSE* B Version: VD Sense Pin CD* 2 C, D Versions: Release Output Delay (Power-on Reset) Time Setting Pin 6 TP* 3 Test Pin 7 GND Ground Pin 8 VDD Input Pin ) The tab on the reverse side of the IC is in GND level and it should be connected to GND pin (recommended) or should be left open. ) B version monitors SENSE pin voltage. 2) The release output delay time of voltage detector can be set by connecting a capacitor to CD pin. 3) TP pin should be connected to GND. 3
4 ABSOLUTE MAXIMUM RATINGS Symbol Item Rating Unit VIN Input Voltage.3 to 5 V VCE Input Voltage (CE Pin, A Version).3 to 7. V VSENSE Input Voltage (SENSE Pin, B Version).3 to 5 V VCD Input Voltage (CD Pin, C or D Version).3 to 7. V VOUT Output Voltage (VR).3 to VIN+.3 5 V VRESET Output Voltage (VD).3 to 7. V IOUT Output Current (VR) 45 ma IOUT2 Output Current (VD) 2 ma PD Power Dissipation (HSOP-8E) Ultra High Wattage Land Pattern 29 mw Ta Operating Temperature Range -4 to 5 C Tstg Storage Temperature Range 55 to 25 C ) Refer to PACKAGE INFORMATION for detailed information. ABSOLUTE MAXIMUM RATINGS Electronic and mechanical stress momentarily exceeded absolute maximum ratings may cause the permanent damages and may degrade the lifetime and safety for both device and system using the device in the field. The functional operation at or over these absolute maximum ratings is not assured. 4
5 ELECTRICAL CHARACTERISTICS R5SxxxA Series VIN=4.V, CE=5.V, COUT=6.8µF, Rpull-up=kΩ, Vpull-up=5.V, unless otherwise noted. The specifications surrounded by are guaranteed by design engineering at -4 C Ta 5 C. For all (Ta=25 C) Symbol Item Conditions Min. Typ. Max. Unit VIN Input Voltage V Supply Current ISS IOUT=A μa (Low-power Consumption Mode) ISS2 Supply Current (High Speed Mode) IOUT=2mA 74 μa Istandby Standby Current (Standby Mode) CE=V 23 μa TTSD Thermal Shutdown Temperature Junction Temperature 4 C TTSR Thermal Shutdown Released Temperature Junction Temperature 25 C VR Symbol Item Conditions Min. Typ. Max. Unit VOUT Output Voltage IOUT=mA Ta=25 C Setting Voltage: 2.5V to 2.V -4 C Ta 5 C V IOUT Output Current VIN=VOUT+3.2V (VOUT < 5.V) VIN=VOUT+2.V (VOUT 5.V) 3 ma VIN=VOUT+3.2V (VOUT < 5.V) VIN=VOUT+2.V (VOUT 5.V).mA IOUT 7mA VOUT 5.V 7 3 (Low-power ΔVOUT/ Consumption Mode) VOUT > 5.V 2 Load Regulation ΔIOUT VOUT 5.V 45.mA IOUT 2mA VOUT > 5.V 2 75 mv (Ta=25 C) VDIF IOUTH IOUTL ΔVOUT/ ΔVIN ΔVOUT/ ΔTa Dropout Voltage High Speed Mode Switching Current Low-power Consumption Mode Switching Current Line Regulation Output Voltage Temperature Coefficient.mA IOUT 3mA IOUT=7mA (Low-power Consumption Mode) IOUT=3mA VOUT 5.V 4 VOUT > 5.V 6 7 VOUT < 5.V.5.8 VOUT 5.V.3.95 VOUT < 5.V VOUT 5.V. 2. IOUT=Light Load to Heavy Load ma IOUT=Heavy Load to Light Load 3 5 ma 3.5V VIN 36V (2.5V VOUT 3.5V) VOUT+.5V VIN 36V (VOUT > 3.5V) IOUT=mA -4 C Ta 5 C ±5 V..5 %/V ppm / C 5
6 VIN=4.V, CE=5.V, COUT=6.8µF, Rpull-up=kΩ, Vpull-up=5.V, unless otherwise noted. The specifications surrounded by are guaranteed by design engineering at -4 C Ta 5 C. VR (Continued) Symbol Item Conditions Min. Typ. Max. Unit (Ta=25 C) ISC Short Current Limit VOUT=V 5 ma VCEH CE Input Voltage H V VCEL CE Input Voltage L.7 V VD Symbol Item Conditions Min. Typ. Max. Unit VIN Detector Ta=25 C Setting Voltage -VDET Detector Threshold V Range: -4 C Ta 5 C V to 2.V VHYS VDDL IOUT2 ILEAK Detector Threshold Hysteresis Minimum Operating Voltage* Output Current (Nch Driver) Nch Driver Leakage Current -VDET.25 VIN.8V, DOUT=.V.59 VIN 3.V, DOUT=.V.6 VIN 4.V, DOUT=.V.39 -VDET.5 -VDET.75 (Ta=25 C) V.8 V DOUT=7V.33 μa VRESET Pull-up Voltage 5.5 V Δ-VDET/ΔTa tplh Detector Threshold Temperature Coefficient Release Output Delay Time* 2-4 C Ta 5 C ± ma ppm / C 2 μs All test items listed under Electrical Characteristics are done under the pulse load condition (Tj Ta=25 C) except Output Voltage Temperature Coefficient and Detector Threshold Temperature Coefficient. ) Minimum operating voltage is defined as the power supply voltage of which output voltage becomes lower than.v at the detection. 2) Release output delay time is defined as the time to be taken for VIN to change from 2V to (-VDET) +V, and for DOUT output to become H. RECOMMENDED OPERATING CONDITIONS (ELECTRICAL CHARACTERISTICS) All of electronic equipment should be designed that the mounted semiconductor devices operate within the recommended operating conditions. The semiconductor devices cannot operate normally over the recommended operating conditions, even if when they are used over such conditions by momentary electronic noise or surge. And the semiconductor devices may receive serious damage when they continue to operate over the recommended operating conditions. 6
7 R5SxxxB Series VIN=SENSE=4.V, COUT=6.8μF, Rpull-up=kΩ, Vpull-up=5.V, unless otherwise noted. The specifications surrounded by are guaranteed by design engineering at -4 C Ta 5 C. For all Symbol Item Conditions Min. Typ. Max. Unit (Ta=25 C) VIN Input Voltage V ISS Supply Current (Low-power Consumption Mode) IOUT=A μa ISS2 Supply Current (High Speed Mode) IOUT=2mA 74 μa TTSD Thermal Shutdown Temperature Junction Temperature 4 C TTSR Thermal Shutdown Released Temperature Junction Temperature 25 C VR Symbol Item Conditions Min. Typ. Max. Unit IOUT=mA Ta=25 C VOUT Output Voltage Setting Voltage: V 2.5V to 2.V -4 C Ta 5 C IOUT Output Current VIN=VOUT+3.2V (VOUT < 5.V) VIN=VOUT+2.V (VOUT 5.V) 3 ma VIN=VOUT+3.2V (VOUT < 5.V) VIN=VOUT+2.V (VOUT 5.V).mA IOUT 7mA VOUT 5.V 7 3 (Low-power ΔVOUT/ Consumption Mode) VOUT > 5.V 2 Load Regulation ΔIOUT VOUT 5.V 45.mA IOUT 2mA VOUT > 5.V 2 75 mv.ma IOUT 3mA VOUT 5.V 4 VOUT > 5.V 6 7 VDIF Dropout Voltage IOUT=7mA VOUT < 5.V.5.8 (Low-power Consumption Mode) VOUT 5.V.3.95 VOUT < 5.V IOUT=3mA VOUT 5.V. 2. V IOUTH High Speed Mode Switching Current IOUT = Light Load to Heavy Load ma IOUTL Low-power Consumption Mode Switching Current IOUT = Heavy Load to Light Load 3 5 ma 3.5V VIN 36V (2.5V VOUT 3.5V) ΔVOUT/ Line Regulation VOUT+.5V VIN 36V (VOUT > 3.5V) ΔVIN IOUT=mA..5 %/V ΔVOUT/ ΔTa Output Voltage Temperature Coefficient -4 C Ta 5 C ±5 (Ta=25 C) ISC Short Current Limit VOUT=V 5 ma ppm / C 7
8 VIN=SENSE=4.V, COUT=6.8μF, Rpull-up=kΩ, Vpull-up=5.V, unless otherwise noted. The specifications surrounded by are guaranteed by design engineering at -4 C Ta 5 C. VD Symbol Item Conditions Min. Typ. Max. Unit VIN Detector Ta=25 C VDET Detector Threshold Setting Voltage: V 2.3 V to 2.V -4 C Ta 5 C.97.3 VHYS RSENSE VDDL IOUT2 ILEAK Detector Threshold Hysteresis SENSE Resistance Minimum Operating Voltage Output Current (Nch Driver) Nch Driver Leakage Current -VDET.25 -VDET.5 -VDET.75 -VDET < 6.V VDET 6.V VIN 3.V, DOUT=.V.6 VIN 4.V, DOUT=.V.39 (Ta=25 C) V MΩ 3. V DOUT=7V.33 μa VRESET Pull-up Voltage 5.5 V Δ-VDET/ ΔTa tplh VSENSE Detector Threshold Temperature Coefficient Release Output Delay Time * SENSE Pin Input Voltage -4 C Ta 5 C ± ma ppm / C 2 μs 36 V All test items listed under Electrical Characteristics are done under the pulse load condition (Tj Ta=25 C) except Output Voltage Temperature Coefficient and Detector Threshold Temperature Coefficient. ) Release output delay time is defined as the time to be taken for SENSE to change from 2V to (-VDET) +V, and for DOUT output to become H. RECOMMENDED OPERATING CONDITIONS (ELECTRICAL CHARACTERISTICS) All of electronic equipment should be designed that the mounted semiconductor devices operate within the recommended operating conditions. The semiconductor devices cannot operate normally over the recommended operating conditions, even if when they are used over such conditions by momentary electronic noise or surge. And the semiconductor devices may receive serious damage when they continue to operate over the recommended operating conditions. 8
9 R5SxxxC Series VIN=4.V, COUT=6.8μF, CD=.μF, Rpull-up=kΩ, Vpull-up=5.V, unless otherwise noted. The specifications surrounded by are guaranteed by design engineering at -4 C Ta 5 C. For all (Ta=25 C) Symbol Item Conditions Min. Typ. Max. Unit VIN Input Voltage V ISS Supply Current (Low-power Consumption Mode) IOUT=A μa ISS2 Supply Current (High Speed Mode) IOUT=2mA 74 μa TTSD Thermal Shutdown Temperature Junction Temperature 4 C TTSR Thermal Shutdown Released Temperature Junction Temperature 25 C VR (Ta=25 C) Symbol Item Conditions Min. Typ. Max. Unit IOUT=mA Ta=25 C VOUT Output Voltage Setting Voltage: V 2.5V to 2.V -4 C Ta 5 C IOUT Output Current VIN=VOUT+3.2V (VOUT < 5.V) VIN=VOUT+2.V (VOUT 5.V) 3 ma VIN=VOUT+3.2V (VOUT < 5.V) VIN=VOUT+2.V (VOUT 5.V).mA IOUT 7mA VOUT 5.V 7 3 (Low-power ΔVOUT/ Consumption Mode) VOUT > 5.V 2 Load Regulation ΔIOUT VOUT 5.V 45.mA IOUT 2mA VOUT > 5.V 2 75 mv.ma IOUT 3mA VOUT 5.V 4 VOUT > 5.V 6 7 VDIF IOUTH IOUTL ΔVOUT/ ΔVIN ΔVOUT/ ΔTa Dropout Voltage High Speed Mode Switching Current Low-power Consumption Mode Switching Current Line Regulation Output Voltage Temperature Coefficient IOUT=7mA (Low-power Consumption Mode) IOUT=3mA VOUT < 5.V.5.8 VOUT 5.V.3.95 VOUT < 5.V VOUT 5.V. 2. IOUT=Light Load to Heavy Load ma IOUT=Heavy Load to Light Load 3 5 ma 3.5V VIN 36V (2.5V VOUT 3.5V) VOUT+.5V VIN 36V (VOUT > 3.5V) IOUT=mA -4 C Ta 5 C ±5 V..5 %/V ISC Short Current Limit VOUT=V 5 ma ppm / C 9
10 VIN=4.V, COUT=6.8μF, CD=.μF, Rpull-up=kΩ, Vpull-up=5.V, unless otherwise noted. The specifications surrounded by are guaranteed by design engineering at - 4 C Ta 5 C. VD Symbol Item Conditions Min. Typ. Max. Unit VIN Detector Ta=25 C VDET Detector Threshold Setting Voltage: V 2.3 V to 2.V -4 C Ta 5 C.97.3 VHYS VDDL IOUT2 ILEAK Detector Threshold Hysteresis Minimum Operating Voltage * Output Current (Nch Driver) Nch Driver Leakage Current -VDET.25 VIN.8V, DOUT=.V.59 VIN 3.V, DOUT=.V.6 VIN 4.V, DOUT=.V.39 -VDET.5 -VDET.75 (Ta=25 C) V.8 V DOUT=7V.33 μa VRESET Pull-up Voltage 5.5 V Δ-VDET/ΔTa tdelay Detector Threshold Temperature Coefficient Release Output Delay Time* 2-4 C Ta 5 C ± ma ppm / C ms All test items listed under Electrical Characteristics are done under the pulse load condition (Tj Ta=25 C) except Output Voltage Temperature Coefficient and Detector Threshold Temperature Coefficient. ) Minimum operating voltage is defined as the power supply voltage of which output voltage becomes lower than.v at the detection. 2) Release output delay time is defined as the time to be taken for VIN to change from 2V to (-VDET) +V, and also for DOUT output to become H. RECOMMENDED OPERATING CONDITIONS (ELECTRICAL CHARACTERISTICS) All of electronic equipment should be designed that the mounted semiconductor devices operate within the recommended operating conditions. The semiconductor devices cannot operate normally over the recommended operating conditions, even if when they are used over such conditions by momentary electronic noise or surge. And the semiconductor devices may receive serious damage when they continue to operate over the recommended operating conditions.
11 R5SxxxD Series VIN=4.V, COUT=6.8μF, CD=.μF, Rpull-up=kΩ, Vpull-up=5.V, unless otherwise noted. The specifications surrounded by are guaranteed by design engineering at - 4 C Ta 5 C. For all Symbol Item Conditions Min. Typ. Max. Unit (Ta=25 C) VIN Input Voltage V ISS Supply Current (Low-power Consumption Mode) IOUT=A μa ISS2 Supply Current (High Speed Mode) IOUT=2mA 74 μa TTSD Thermal Shutdown Temperature Junction Temperature 4 C TTSR Thermal Shutdown Released Temperature Junction Temperature 25 C VR Symbol Item Conditions Min. Typ. Max. Unit IOUT=mA Ta=25 C VOUT Output Voltage Setting Voltage: V 2.5V to 2.V -4 C Ta 5 C IOUT Output Current VIN=VOUT+3.2V (VOUT < 5.V) VIN=VOUT+2.V (VOUT 5.V) 3 ma VIN=VOUT+3.2V (VOUT < 5.V) VIN=VOUT+2.V (VOUT 5.V).mA IOUT 7mA VOUT 5.V 7 3 (Low-power ΔVOUT/ Consumption Mode) VOUT > 5.V 2 Load Regulation ΔIOUT VOUT 5.V 45.mA IOUT 2mA VOUT > 5.V 2 75 mv.ma IOUT 3mA VOUT 5.V 4 VOUT > 5.V 6 7 VDIF IOUTH IOUTL ΔVOUT/ ΔVIN ΔVOUT/ ΔTa Dropout Voltage High Speed Mode Switching Current Low-power Consumption Mode Switching Current Line Regulation Output Voltage Temperature Coefficient IOUT=7mA (Low-power Consumption Mode) IOUT=3mA VOUT < 5.V.5.8 VOUT 5.V.3.95 VOUT < 5.V VOUT 5.V. 2. (Ta=25 C) IOUT=Light Load to Heavy Load ma IOUT=Heavy Load to Light Load 3 5 ma 3.5V VIN 36V (2.5V VOUT 3.5V) VOUT+.5V VIN 36V (VOUT > 3.5V) IOUT=mA -4 C Ta 5 C ±5 V..5 %/V ISC Short Current Limit VOUT=V 5 ma ppm / C
12 VIN=4.V, COUT=6.8μF, CD=.μF, Rpull-up=kΩ, Vpull-up=5.V, unless otherwise noted. The specifications surrounded by are guaranteed by design engineering at - 4 C Ta 5 C. VD (Ta=25 C) Symbol Item Conditions Min. Typ. Max. Unit VIN Detector Ta=25 C VDET Detector Threshold Setting Voltage: V 2.3 V to.6v -4 C Ta 5 C.97.3 VHYS Detector Threshold Hysteresis -VDET.25 -VDET.5 -VDET.75 VDDL Minimum Operating Voltage*.8 V VIN.8V, DOUT=.V.59 IOUT2 Output Current (Nch Driver) VIN 3.V, DOUT=.V.6 ma VIN 4.V, DOUT=.V.39 ILEAK Nch Driver Leakage Current DOUT=7V.33 μa VRESET Pull-up Voltage 5.5 V Δ-VDET/ ΔTa Detector Threshold Temperature Coefficient -4 C Ta 5 C ± tdelay Release Output Delay Time * ms All test items listed under Electrical Characteristics are done under the pulse load condition (Tj Ta=25 C) except Output Voltage Temperature Coefficient and Detector Threshold Temperature Coefficient. ) Minimum operating voltage is defined as the power supply voltage of which output voltage becomes lower than.v at the detection. 2) Release output delay time is defined as the time to be taken for VOUT to change from 2V to (-VDET) +V, and also for DOUT output to become H. V ppm / C RECOMMENDED OPERATING CONDITIONS (ELECTRICAL CHARACTERISTICS) All of electronic equipment should be designed that the mounted semiconductor devices operate within the recommended operating conditions. The semiconductor devices cannot operate normally over the recommended operating conditions, even if when they are used over such conditions by momentary electronic noise or surge. And the semiconductor devices may receive serious damage when they continue to operate over the recommended operating conditions. 2
13 Product-specific Electrical Characteristics The specifications surrounded by are guaranteed by design engineering at 4 C Ta 5 C. VR VOUT [V] VDIF [V] (Ta = 25 C) (IOUT = 7 ma: Product Name (Ta = 25 C) (Ta = 4 to 5 C) Low-power (IOUT = 3 ma) Consumption Mode) MIN. TYP. MAX. MIN. MAX. TYP. MAX. TYP. MAX. R5Sx R5S2x R5S3x R5S4x R5S5x R5S6x R5S7x R5S8x R5S9x R5Sx R5Sx R5S2x R5S3x VR (Continued) (Ta = 25 C) VOUT / IOUT [mv] Product Name (. ma IOUT 7 ma: Low-power Consumption Mode) (. ma IOUT 2 ma) (. ma IOUT 3 ma) MIN. MAX. TYP. MAX. TYP. MAX. R5Sx R5S2x R5S3x R5S4x R5S5x R5S6x R5S7x R5S8x R5S9x R5Sx R5Sx R5S2x R5S3x
14 The specifications surrounded by are guaranteed by design engineering at 4 C Ta 5 C. VD (Ta = 25 C) -VDET [V] -VDET [V] VHYS [V] Product Name (Ta = 25 C) (Ta = 4 to 5 C) MIN. TYP. MAX. MIN. MAX. MIN. TYP. MAX. R5Sx R5S2x R5S3x R5S4x R5S5x R5S6x R5S7x R5S8x R5S9x R5Sx R5Sx R5S2x R5S3x
15 TYPICAL APPLICATIONS R5SxxxA R5SxxxB V OUT V OUT V DD V OUT V OUT V DD C OUT NC GND C IN V IN C OUT NC GND C IN V IN R5SxxxA TP SERIES TP R5SxxxB TP SERIES TP Rpull-up D OUT CE V CE Rpull-up D OUT SENSE V SENSE Vpull-up Vpull-up R5SxxxC/D V OUT V OUT V DD C OUT NC GND C IN V IN R5SxxxC/D TP SERIES TP D OUT C D C D CIN=.μF, COUT=6.8μF (Ceramic) Rpull-up=kΩ Rpull-up Vpull-up TECHNICAL NOTES Phase Compensation This IC is using the capacitance of output capacitor (COUT) and the ESR as phase compensation for the stable operation of the IC even if the output load varies. Therefore, please make sure to use a capacitor (COUT) with 6.8µF or more. If the ESR value is large, the output may result in unstable, therefore, please make full evaluation on the temperature characteristics and the frequency characteristics. PCB Layout and GND Wiring The high impedances of VDD and GND could be a reason for the noise pickup and unstable operation. Therefore, make the impedances of VDD and GND as low as possible. A capacitor (CIN) with.µf or more has to be connected between VDD pin and GND pin, and the wirings between them have to be short as possible. The capacitor (COUT) for phase compensation has to be connected between VOUT pin and GND pin, and the wirings between them have to be short as possible. 5
16 OPERATION MANUAL Voltage Regulator (VR) Voltage Regulator (VR) operates within the input voltage range of 3.5V to 36V. The output voltage is adjustable within the range of 2.5V to 2V by.v step. By changing the current value of the control circuit according to the load current, the supply current at the light load condition can be minimized and also be able to achieve high speed response. When the load current becomes 2mA (Typ.) or more, the control circuit switches to high-speed mode and when the load current becomes 3mA or lower, it switches to low-power consumption mode. Hysteresis is set for the output current between 3mA to 2mA (Typ.). These current values are internally fixed inside the IC. When the mode switching is caused by the load current change, the output voltage will be changed as the graph below shows. The load current dependencies (Load Regulation) of output voltage in Electrical Characteristics have been tested at the following points:.ma, 7mA (Low-power consumption mode), 2mA, and 3mA From High-speed Mode to Low-power consumption Mode From Low-power consumption Mode to High-speed Mode Output Current IOUT (ma) During the period of µsec immediately after High-speed mode is switched to Low-power consumption mode, the current value (IOUTH), which switches Low-power consumption mode back to High-speed mode, is increased 3 times. Therefore, during this time period, the IC can still operate with Low-power consumption mode even if the load current is between 2mA to 36mA (Typ.). R5SxxxA can turn on and off the operation of VR by CE pin. Voltage Detector (VD) Voltage Detector (VD) operates within the input voltage range of.8v to 36V (R5SxxxA/C/D) and 3.V to 36V (R5SxxxB). The detector threshold is adjustable in the range of 2.3V to 2V by.v step. If the monitor voltage is lower than the detector threshold, DOUT outputs L. In the case of R5SxxA/B, if the monitor voltage becomes more than the released voltage, DOUT outputs H. In the case of R5SxxxC/D, if the monitor voltage becomes more than the released voltage, the capacitor of the release output delay time pin (CD) starts to get charged. DOUT output maintains L until CD reaches to the threshold value. Once CD value becomes more than the threshold value, DOUT outputs H. In the case of R5SxxxC/D, if the monitor voltage becomes lower than the detector threshold, the capacitor of CD starts to get discharged. Therefore, if the monitor voltage becomes more than the released voltage without electrical discharge, the release output delay time afterwards becomes less than the existing release output delay time (tdelay). 6
17 Monitor Voltage (V DD or V OUT) Delay Pin Voltage (C D) Release Voltage (+V DET) Detector Threshold (-V DET) GND GND GND High level Output Voltage (D OUT) Release Output Delay Time (t DELAY) Low level Detect Output Delay Time (t RESET) R5SxxxC/D If VIN voltage is raised suddenly from the less than the minimum operating voltage to the less than the release voltage, VIN voltage momentarily passes through the unstable range (from V to the minimum operating voltage), therefore, DOUT may output H (unstable) once then output L afterwards. Similarly, if VIN voltage is raised from the less than the minimum operating voltage to the more than the release voltage, VIN momentarily passes through the unstable range (from V to the minimum operating voltage), therefore, DOUT may output H once. 7
18 Release Output Delay Time The release output delay time (Power-on Reset Time (tdelay)) of R5SxxxC/D can be set by the capacitor of CD pin. The relationship between the capacitor capacitance and tdelay is as shown in the following equation. tdelay(s)=7. 5 CD(F) The upper limit of the capacitance value for the CD pin capacitor is µf. The capacitor operates normally with more than µf; however, if the setting time (tdelay) is set longer, the setting time differences could become bigger. Also, if the detect output delay time becomes longer; the response of the VD output pin will be slow to make a momentary stop. If the VDD pin voltage is decreased with more than the through rate as it is shown in the graph below, the IC does not operate normally. If there s any possibility of this, please minimize the voltage fluctuation of VDD pin by using CIN. Input Voltage Falling Time tf (μs) Inp ut Vol tag e Fal ling Ti me TF (μs ) Vpp (V) The detector cannot maintain the detection. V DD Vpp tf V DD Input Waveform Thermal Shutdown If the junction temperature (Tj) becomes more than 4 C(Typ.) due to the heat generation in the voltage regulator, the output driver will be turned off to protect the IC and the voltage regulator output will be turned off. If the junction temperature becomes less than 25 C(Typ.), the output driver will be turned on and the voltage regulator output will be turned on. Unless the cause of the heat generation is not removed, the voltage regulator repeats turns on and off, so the output voltage will be a pulsing form. R5SxxxD Voltage Setting The voltage detector (VD) of R5SxxxD detects the output voltage drop of the voltage regulator (VR). If the VD release voltage is set to more than the VR output voltage, the VD will not be canceled even if the VR output voltage returns to the normal value after VD detected the output voltage drop of VR. To avoid this, there have to be voltage differences between the voltage regulator s output voltage (VOUT) and the voltage detector s release voltage (+VDET). Also, the following conditions have to be met. (VR Output Setting Voltage) x.964 > (VD Detect Setting Voltage) x.3 x.75 In case of using the products with the VR output voltage and the VD detector threshold that is not met the above conditions, please make sure to give greater consideration on the system operation before use. 8
19 PACKAGE INFORMATION POWER DISSIPATION (HSOP-8E) Power Dissipation (PD) depends on conditions of mounting on board. This specification is based on the measurement at the condition below: Measurement conditions Environment Board Material Board Dimensions Copper Ratio Through holes Ultra High Wattage land pattern Mounting on board (Wind velocity=m/s) Glass cloth epoxy plastic (4 layers) 76.2mm x 4.3mm x.8mm Top side, Back side : 5mm square : Approx.95% 2nd, 3rd Layer: 5mm square : Approx.% φ.4mm x 2pcs Measurement Results (Ta=25 C, Tjmax=25 C) Ultra High Wattage land pattern Power Dissipation 2.9W Thermal Resistance θja = (25-25 C)/2.9W= 35 C/W θjc= C/W Power Dissipation PD (W) Ultra High Wattage Land Pattern Ambient Temperature ( C) Power Dissipation Measurement Board Pattern IC Mount Area (Unit : mm) 9
20 PACKAGE DIMENSIONS (HSOP-8E) 8 5 (.3) 2.9±.5 4.4±.2 6.2±.3 (.3) 2.7±.5 S.695TYP 4 5.2±.3. S.5±. ~.27.4±.2.4±. DETAIL A M The tab on the bottom of the package enhances thermal performance and is electrically connected to GND (substrate level). It is recommended that the tab be connected to the ground plane on the board, or otherwise be left floating. DETAIL A.5±.5.8±.5 (Unit : mm) MARK SPECIFICATION (HSOP-8E) 23456: Product Code Refer to MARK SPECIFICATION TABLE 789: Lot Number Alphanumeric Serial Number
21 MARK SPECIFICATION TABLE (HSOP-8E) R5SxxxA Product Name VSET R5SxxxB VSET Product Name VR VD VR VD R5SA RS3A 3.3V 2.7V R5SB RS3B 3.3V 2.7V R5S2A RS3E 2.5V 4.V R5S2B RS3F 2.5V 4.V R5S3A RS3J 2.V 5.V R5S3B RS3K 2.V 5.V R5S4A RS3N 5.6V 3.V R5S4B RS3P 5.6V 3.V R5S5A RS3S 3.3V 3.8V R5S5B RS3T 3.3V 3.8V R5S6A RS3W 3.3V 3.6V R5S6B RS3X 3.3V 3.6V R5S7A RS4A 5.V 4.5V R5S7B RS4B 5.V 4.5V R5S8A RS4E 3.3V 2.8V R5S8B RS4F 3.3V 2.8V R5S9A RS4J 2.V 4.2V R5S9B RS4K 2.V 4.2V R5SA RS4N 3.6V 4.3V R5SB RS4P 3.6V 4.3V R5SA RS4S 5.V 2.3V R5SB RS4T 5.V 2.3V R5S2A RS4W 5.V 4.2V R5S2B RS4X 5.V 4.2V R5S3A RS6A 5.V.V R5SxxxC Product Name VSET R5SxxxD VSET Product Name VR VD VR VD R5SC RS3C 3.3V 2.7V R5SD RS3D 3.3V 2.7V R5S2C RS3G 2.5V 4.V R5S3D RS3M 2.V 5.V R5S3C RS3L 2.V 5.V R5S4D RS3R 5.6V 3.V R5S4C RS3Q 5.6V 3.V R5S8D RS4H 3.3V 2.8V R5S5C RS3U 3.3V 3.8V R5S9D RS4M 2.V 4.2V R5S6C RS3Y 3.3V 3.6V R5SD RS4V 5.V 2.3V R5S7C RS4C 5.V 4.5V R5S2D RS4Z 5.V 4.2V R5S8C RS4G 3.3V 2.8V *) The followings do not exit: R5S2D, 5D, 6D, 7D, D R5S9C RS4L 2.V 4.2V R5SC RS4Q 3.6V 4.3V R5SC RS4U 5.V 2.3V R5S2C RS4Y 5.V 4.2V 2
22 TYPICAL CHARACTERISTICS Note: Typical Characteristics are intended to be used as reference data; they are not guaranteed. ) Output Voltage vs. Output Current (Ta=25 C) R5S (VR=2.5V) R5S (VR=5.V) VIN=4.V VIN=4.5V VIN=5.V VIN=5.5V VIN=6.V Output Current IOUT (ma) VIN=6.V VIN=6.5V VIN=7.V VIN=7.5V VIN=8.V Output Current IOUT (ma) R5S (VR=2.V) VIN=2.4V VIN=2.6V VIN=2.8V VIN=3.V VIN=3.2V Output Current IOUT (ma) 2) Output Voltage vs. Input Voltage (Ta=25 C) R5S (VR=2.5V) R5S (VR=5.V) IOUT=mA IOUT=2mA IOUT=mA IOUT=mA IOUT=2mA IOUT=mA
23 R5S (VR=2.V) IOUT=mA IOUT=2mA IOUT=mA ) Dropout Voltage vs. Output Current R5S (VR=2.5V) R5S (VR=5.V) Dropout Voltage VDIF (V) C 25 C C 5 C Dropout Voltage VDIF (V) C 25 C C 5 C Output Current IOUT (ma) Output Current IOUT (ma) R5S (VR=2.V) Dropout Voltage VDIF (V) C 25 C C 5 C Output Current IOUT (ma) 23
24 4) Output Voltage vs. Output Current (Ta=25 C) R5S (VR=2.5V) R5S (VR=5.V) Output Current IOUT (ma) Output Current IOUT (ma) R5S (VR=2.V) Output Current IOUT (ma) 5) Output Voltage vs. Operating Temperature R5S (VR=2.5V) R5S (VR=5.V) IOUT=mA IOUT=2mA(HS) Temperature Topt ( C) IOUT=mA IOUT=2mA(HS) Temperature Topt ( C) 24
25 R5S (VR=2.V) IOUT=mA IOUT=2mA(HS) Temperature Topt ( C) 6) Supply Current vs. Input Voltage R5S (VR=2.5V, VD=2.3V) R5S (VR=5.V, VD=4.5V) Supply Current ISS (μa) IOUT=mA(ECO) IOUT=2mA(HS) Supply Current ISS (μa) IOUT=mA(ECO) IOUT=2mA(HS) R5S (VR=2.V, VD=.V) 6 Supply Current ISS (μa) IOUT=mA(ECO) IOUT=2mA(HS)
26 7) Supply Current vs. Operating Temperature R5SxxxA R5SxxxB Supply Current ISS (μa) VIN=4V IOUT=mA VR=2.5V, VD=2.3V VR=5.V, VD=4.5V VR=2.V, VD=.V Temperature Topt ( C) Supply Current ISS (μa) VIN=4V IOUT=mA VR=2.5V, VD=2.3V VR=5.V, VD=4.5V VR=2.V, VD=.V Temperature Topt ( C) R5SxxxC R5SxxxD Supply Current ISS (μa) VIN=4V IOUT=mA VR=2.5V, VD=2.3V VR=5.V, VD=4.5V VR=2.V, VD=.V Temperature Topt ( C) Supply Current ISS (μa) VIN=4V IOUT=mA VR=2.5V, VD=2.3V VR=5.V, VD=4.5V VR=2.V, VD=.V Temperature Topt ( C) 8) Supply Current vs. Output Current (Ta=25 C) R5SxxxA (VR=5.V) 3 VIN=7V Supply Current ISS (μa) Output Current IOUT (ma) 26
27 9) Mode Switching Load Current vs. Operating Temperature R5S Mode Switching Load Current (ma) VIN=4V ECO HS HS ECO Temperature Topt ( C) ) Dropout Voltage vs. Set Output Voltage (Ta=25 C) R5S Dropout Voltage VDIF (V) IOUT=mA IOUT=mA(ECO) IOUT=2mA IOUT=5mA IOUT=mA IOUT=3mA Set Output Voltage VREG (V) ) Ripple Rejection vs. Frequency (Ta=25 C) R5S (VR=2.5V) R5S (VR=5.V) 8 VIN=6V+.2Vp-p 8 VIN=7V+.2Vp-p Ripple Rejection RR (db) IOUT=mA IOUT=mA Ripple Rejection RR (db) IOUT=mA IOUT=mA. Frequency f (khz). Frequency f (khz) 27
28 R5S (VR=2.V) Ripple Rejection RR (db) IOUT=mA IOUT=mA VIN=4V+.2Vp-p. Frequency f (khz) 2) Ripple Rejection vs. Input Voltage (Ta=25 C) R5S (VR=2.5V) R5S (VR=2.5V) Ripple Rejection RR (db) IOUT=mA Ripple=.2Vp-p khz khz khz Ripple Rejection RR (db) khz khz khz IOUT=mA Ripple=.2Vp-p R5S (VR=5.V) R5S (VR=5.V) Ripple Rejection RR (db) IOUT=mA Ripple=.2Vp-p khz khz khz Ripple Rejection RR (db) khz khz khz IOUT=mA Ripple=.2Vp-p
29 R5S (VR=2.V) R5S (VR=2.V) Ripple Rejection RR (db) khz khz khz IOUT=mA Ripple=.2Vp-p Ripple Rejection RR (db) IOUT=mA Ripple=.2Vp-p khz khz khz 3) Input Transient Response (Ta=25 C) R5S (VR=2.5V) VDD=3.5V to 4.5V, COUT=6.8μF, IOUT=mA,tf, tr=μs Input Voltage Output Voltage Time (μs) R5S (VR=5.V) 5. VDD=6V to 7V, COUT=6.8μF, IOUT=mA, tf,tr=μs Input Voltage Output Voltage Time (μs)
30 R5S (VR=2.V) VDD=3V to 4V, COUT=6.8μF, IOUT=mA, tf,tr=μs Input Voltage Output Voltage Time (μs) R5S (VR=2.5V) VDD=3.5V to 4.5V, COUT=6.8μF, IOUT=mA(HS), tf,tr=μs Input Voltage Output Voltage Time (μs) R5S (VR=5.V) VDD=6V to 7V, COUT=6.8μF, IOUT=mA(HS), tf,tr=μs Input Voltage Output Voltage Time (μs)
31 R5S (VR=2.V) VDD=3V to 4V, COUT=6.8μF, IOUT=mA(HS), tf,tr=μs Input Voltage Output Voltage Time (μs) ) Load Transient Response (Ta=25 C) R5S (VR=2.5V) VDD=5.5V, CIN=2.2μF, COUT=6.8μF, IOUT=mA to 3mA, tf,tr=μs Output Current Output Voltage 3 Output Current IOUT (ma) Time (μs) R5S (VR=5.V) VDD=7.V, CIN=2.2μF, COUT=6.8μF, IOUT=mA to 3mA, tf,tr=μs Output Current Output Voltage Time (μs) 3 Output Current IOUT (ma) 3
32 R5S (VR=2.V) VDD=4V, CIN=2.2μF, COUT=6.8μF, IOUT=mA to 3mA, tf,tr=μs 6 3 Output Current Output Voltage Time (μs) Output Current IOUT (ma) R5S (VR=2.5V) VDD=5.5V, CIN=2.2μF, COUT=6.8μF, IOUT=2mA to 3mA, tf,tr=μs Output Current Output Voltage Time (μs) Output Current IOUT (ma) R5S (VR=5.V) VDD=7V, CIN=2.2μF, COUT=6.8μF, IOUT=2mA to 3mA, tf,tr=μs Output Current Output Voltage Output Current IOUT (ma) Time (μs) 32
33 R5S (VR=2.V) VDD=4V, CIN=2.2μF, COUT=6.8μF, IOUT=2mA to 3mA, tf,tr=μs Output Current VR Output Voltage Time (μs) 3 Output Current IOUT (ma) 5) Start-up Waveform (Ta=25 C) R5SxxxB/C/D (VR=5.V) 8 COUT=6.8μF, IOUT=mA, tf,tr=μs 8 Input Voltage VIN / VIN VOUT Inrush Current Inrush Current (ma) Time (μs) 6)Start-up Waveform by CE (Ta=25 C) R5SxxxA (VR=5.V) Output Voltage VOUT / CE Voltage (V) CE VOUT Inrush Current VIN=7V, IOUT=mA Inrush Current (ma) Time (μs) 33
34 7) Thermal Shutdown R5S (VR=5.V) 6 VIN=4V, IOUT=mA Temperature Topt ( C) 8) Detector Threshold Voltage vs. Operating Temperature Detector Threshold Voltage VDOUT (V) R5S (VD=2.3V) -VDET +VDET Temperature Topt ( C) Detector Threshold Voltage VDOUT (V) R5S (VD=4.8V) -VDET +VDET Temperature Topt ( C) Detector Threshold Voltage VDOUT (V) R5S (VD=2.V) -VDET +VDET Temperature Topt ( C) 34
35 9) VD Output Voltage vs. Input Voltage Detector Output Voltage DOUT (V) R5SxxxA/C/D (VD=2.3V) R5SxxxA/C/D (VD=4.8V) pull up 5V, 47kΩ 6-4 C -4 C 5 C C 5 5 C C 25 C 25 C 4 Detector Output Voltage DOUT (V) 3 2 pull up 5V, 47kΩ R5SxxxA/C/D (VD=2.V) R5SxxxB 6 pull up 5V, 47kΩ 6 SENSE=V, pull up 5V,47kΩ Detector Output Voltage DOUT (V) C 5 C C 25 C Detector Output Voltage DOUT (V) C 5 C C 25 C ) D OUT Sink Current vs. D OUT Output Voltage DOUT Sink Current IOUTN (ma) R5S VIN=.V VIN=.5V VIN=2.V VIN=4.V DOUT Output Voltage VDS (V) 35
36 2) D OUT Sink Current vs. Input Voltage DOUT Sink Current IOUTN (ma) R5S (VD=2.3V) DOUT=.5V -5 C C 5 C 25 C DOUT Sink Current IOUTN (ma) R5S (VD=4.8V) -5 C 5 C C 25 C DOUT=.5V DOUT Sink Current IOUTN (ma) R5S (VD=2.V) -5 C 5 C C 25 C DOUT=.5V ) C D Detector Threshold vs. Operating Voltage 23) C D Sink Current vs. C D Output Voltage R5SxxxC/D R5SxxxC/D CD Threshold Voltage (V) VIN=4V Temperature Topt ( C) CD Sink Current (ma) V 2.V 2.5V VIN =4.5V 3.V 3.5V 4.V CD Output Voltage VDS (V) 36
37 24) C D Output Current Vs. Input Voltage R5SxxxC/D (VD=2.3V) R5SxxxC/D (VD=4.8V) CD Sink Current (ma) C 25 C 5 C C CD=.5V CD Sink Current (ma) CD=.5V -4 C 25 C 5 C C R5SxxxC/D (VD=2.V) CD Sink Current (ma) CD=.5V -4 C 25 C C 5 C ) Output Delay Time vs. Operating Temperature 26) Release Output Delay Time vs. Ouput Delay Time (μs) R5SxxxA/B tphl tplh Temperature Topt ( C) Output Delay Time tdelay (ms) Operating Temperature R5SxxxC/D CD=.μF Temperature Topt ( C) 37
38 27) Output Delay Time vs. External Capacitance of Output Delay Pin Delay Time tdelay/treset (ms).. R5SxxxC/D (VD=2.3V) tdelay treset.... External Capacitance (nf) Delay Time tdelay/treset (ms).. R5SxxxC/D (VD=4.5V) tdelay treset.... External Capacitance (nf) Delay Time tdelay/treset (ms).. R5SxxxC/D (VD=2.V) tdelay treset.... External Capacitance (nf) 38
39 Detection Operation Glitch of SENSE Pin Voltage The graph below shows that the pulse amplitude/ pulse width that can maintain the released condition when the pulse of less than the detector threshold voltage was input into SENSE pin. Pulse Width during under VDET (μs) VD=5.V R5SxxxB VD=2.V VD=2.3V Topt=25 C Amplitude Level (mv) SENSE Pulse Width -VDET Amplitude Level SENSE Input Waveform This graph shows the maximum pulse conditions that can maintain the released condition. Please be careful to the sizes of the pulse width and the pulse amplitude going into SENSE pin because if they are bigger than the sizes of the pulse width and the pulse amplitude in this graph, the reset signal may go off. 39
40 EQUIVALENT SERIES RESISTANCE vs. OUTPUT CURRENT Ceramic type output capacitor is recommended for this series, however; low ESR type capacitor also could be used. For reference, the conditions below show the relationship between the output current (IOUT) of which noise level is 4µV (average) or less and the ESR. Measurement Conditions Noise Frequency Range: Hz to 2MHz Ambient Temperature: -4 C to 5 C Shaded Area: Noise level is 4µV (average) or less Output Capacitor: Ceramic 6.8µF R5S (VR=2.5V) R5S (VR=5.V) ESR (Ω) VIN=3.5V to 36V, COUT=Ceramic 6.8μF 25 C C 5 C -4 C ESR (Ω) VIN=6.V to 36V, COUT=Ceramic 6.8μF -4 C 25 C 5 C C Output Current IOUT (ma) Output Current IOUT (ma) R5S (VR=2.V) VIN=3.V to 36V, COUT=Ceramic 6.8μF -4 C 5 C C 25 C ESR (Ω) Output Current IOUT (ma) 4
41 Halogen Free Ricoh is committed to reducing the environmental loading materials in electrical devices with a view to contributing to the protection of human health and the environment. Ricoh has been providing RoHS compliant products since April, 26 and Halogen-free products since April, 22.
42 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Ricoh Electronics: R5SB-E2-FE R5SA-E2-FE R5SC-E2-FE R5SD-E2-FE R5S2A-E2-FE R5S2B-E2-FE R5S2C-E2-FE R5SD-E2-FE R5S2A-E2-FE R5S2B-E2-FE R5S2C-E2-FE R5S2D-E2-FE R5SA-E2-FE R5SB-E2-FE R5SC-E2-FE R5SA-E2-FE R5SB-E2-FE R5SC-E2-FE R5S8C-E2-FE R5S8D-E2-FE R5S9A-E2-FE R5S9B-E2-FE R5S9C-E2-FE R5S9D-E2-FE R5S6C-E2-FE R5S7A-E2-FE R5S7B-E2-FE R5S7C-E2-FE R5S8A-E2-FE R5S8B-E2-FE R5S4D-E2-FE R5S5A-E2-FE R5S5B-E2-FE R5S5C-E2-FE R5S6A-E2-FE R5S6B-E2-FE R5S3A-E2-FE R5S3B-E2-FE R5S3C-E2-FE R5S3D-E2-FE R5S4B-E2-FE R5S4C-E2-FE
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