RPx SERIES Low Power / Fast Mode Alternative ma LDO Regulator OUTLINE NO.EA-79-77 The RPx is voltage regulator IC with high output voltage accuracy, low dropout voltage and low supply current. This IC performs with the chip enable function and realize a standby mode with low supply current. To prevent the destruction by over current, the current limit circuit is included. The RPx has 3-mode. One is standby mode with CE pin. The other two are the fast response mode (Fast Mode) and the low power mode, and switch over automatically according to the load current of the LDO. Supply current of IC itself at light load is automatically reduced. The output voltage is maintained between Fast Mode and ECO Mode. The RPx consists of a voltage reference unit, an error amplifier, a resister net for voltage setting, and a current limit circuit. Since the packages are SOT-3-5, SC-88A, and DFN(PLP)-, high density mounting of the IC on boards is possible. FEATURES Input Voltage Range.V to 5.5V Range.8V to.v (.V steps) Supply Current (IOUT=mA) Typ..5µA Supply Current (IOUT=mA) Typ. 5µA Supply Current (Standby Mode) Typ..µA Dropout Voltage Typ..V (IOUT=mA, VOUT=.8V) Ripple Rejection Typ. 7dB (f=khz, VOUT=.8V, IOUT=3mA) Line Regulation Typ..%/V (IOUT=mA) Packages DFN(PLP)-, SC-88A, SOT-3-5 Built-in Foldback Protection Circuit Typ. 6mA (Current at short mode) Built-in Constant Slope Circuit (Soft-start Function) Ceramic capacitors are recommended to be used with this IC.7µF or more APPLICATIONS Power source for portable communication equipment. Power source for electrical appliances such as cameras, VCRs and camcorders. Power source for battery-powered equipment.
RPx NO.EA-79-77 SELECTION GUIDE The output voltage, auto discharge function (), and package, for the IC can be selected at the user s request. Product Name Package Quantity per Reel Pb Free Halogen Free RPKxx -TR DFN(PLP)-,pcs Yes Yes RPQxx -TR-FE SC-88A 3,pcs Yes Yes RPNxx -TR-FE SOT-3-5 3,pcs Yes Yes xx : The output voltage can be designated in the range from.8v(8) to.v() in.v steps. : The auto discharge function at off state are options as follows. (B) without auto discharge function at off state (D) with auto discharge function at off state BLOCK DIAGRAMS RPxxxxB RPxxxxD VDD VOUT VDD VOUT Vref Vref Current Limit Current Limit CE GND CE GND () Auto-discharge function quickly lowers the output voltage to V, when the chip enable signal is switched from the active mode to the standby mode, by releasing the electrical charge accumulated in the external capacitor.
RPx NO.EA-79-77 PIN DESCRIPTIONS DFN(PLP)- Top View Bottom View 3 3 SC-88A 5 (mark side) SOT-3-5 5 (mark side) 3 3 DFN(PLP)- Pin No Symbol Pin Description VOUT Output Pin GND Ground Pin 3 CE Chip Enable Pin ("H" Active) VDD Input Pin Tab is GND level. (They are connected to the reverse side of this IC.) The tab is better to be connected to the GND, but leaving it open is also acceptable. SC-88A Pin No Symbol Pin Description CE Chip Enable Pin ("H" Active) () NC No Connection 3 GND Ground Pin VOUT Output Pin 5 VDD Input Pin SOT-3-5 Pin No Symbol Pin Description VDD Input Pin GND Ground Pin 3 CE Chip Enable Pin ("H" Active) NC No Connection 5 VOUT Output Pin () Pin No. is connected to the bottom of the IC. It is recommended that the pin be connected to the ground plane on the board, or otherwise be left floating so that there is no contact with other potentials. 3
RPx NO.EA-79-77 ABSOLUTE MAXIMUM RATINGS Symbol Item Rating Unit VIN Input Voltage 6. V V (CE Pin).3 to 6. V VOUT.3 to VIN +.3 V IOUT Output Current ma Power Dissipation (DFN(PLP)-, Standard Test Land Pattern) PD Power Dissipation (SC-88A, Standard Test Land Pattern) 38 mw Power Dissipation (SOT-3-5, Standard Test Land Pattern) Tj Junction Temperature Range to 5 C Tstg Storage Temperature Range 55 to 5 C ABSOLUTE MAXIMUM RATINGS Electronic and mechanical stress momentarily exceeded absolute maximum ratings may cause the permanent damages and may degrade the life time 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. RECOMMENDED OPERATING CONDITIONS Symbol Item Rating Unit VIN Input Voltage. to 5.5 V Ta Operating Temperature Range to 85 C RECOMMENDED OPERATING CONDITIONS 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. () Refer to POWER DISSIPATION for detailed information.
RPx NO.EA-79-77 ELECTRICAL CHARACTERISTICS VIN=Set VOUT +V, IOUT=mA, CIN=COUT =.7µF, unless otherwise noted. The specification in is checked and guaranteed by design engineering at - C Ta 85 C. (Ta=5 C) Symbol Item Conditions Min. Typ. Max. Unit VOUT IOUT=5mA (Fast Mode) Ta=5 C IOUT=5mA (Fast Mode) - C Ta 85 C VOUT >.V.99. VOUT.V -mv mv VOUT >.V.965.5 VOUT.V 7mV 5mV V IOUT Output Current ma VOUT / IOUT Load Regulation VOUT >.V.. % ma IOUT ma VOUT.V mv ma IOUT ma 3 mv VDIF Dropout Voltage Refer to the "Dropout Voltage" ISS Supply Current (IOUT=mA) () IOUT=mA.5 5. µa ISS Supply Current (IOUT=mA) IOUT=mA 5 µa Istandby Standby Current VCE=GND.. µa IOUTH Fast Mode IOUT= Light load to Heavy load switch-over current 8. ma IOUTL Low Power Mode IOUT= Heavy load to Light load switch-over current.. ma VOUT / VIN RR Line Regulation Ripple Rejection VOUT+.5V VIN 5V.V VIN f=khz Ripple.Vp-p VIN=VOUT+.V, IOUT=3mA IOUT=mA (Low Power Mode) ±.5 IOUT=mA (Fast Mode) ±. ±. VOUT.8V 75.8< VOUT.8V 7.8< VOUT 3.3V 65 3.3 < VOUT 6 ISC Short Current Limit VOUT=V 6 ma %/V db ICEPD CE Pull-down Constant Current.3.6 µa VCEH H. V VCEL L. V RLOW Low Output Nch Tr. ON Resistance (of D version) VIN =.V VCE = V 6 Ω All of units are tested and specified under load conditions such that Tj Ta 5 C except for Ripple Rejection, Temperature Coefficient. () The value of supply current is excluding the Pull-down constant current of CE Pin. 5
RPx NO.EA-79-77 Dropout Voltage V OUT (V).8 VOUT<.9 Dropout Voltage V DIF (V) Condition Typ. Max..6.79.9 VOUT<..55.73. VOUT<..5.6. VOUT<..5.6. VOUT<.3..56.3 VOUT<..37.53. VOUT<.5.3.8.5 VOUT<.8 IOUT=mA.3.3.8 VOUT<..7.39. VOUT<.5.5.36.5 VOUT<.8.5.3.8 VOUT<3...9 3. VOUT<3.3.9.8 3.3 VOUT<3.6.8.7 3.6 VOUT.75.7 (Ta=5 C) 6
RPx NO.EA-79-77 APPLICATION INFORMATION TYPICAL APPLICATION VIN VDD VOUT VOUT C RPx C CE GND (External Components) C, C : Ceramic Capacitor.7µF MURATA: GRM55B3A7KE Phase Compensation Phase compensation is made for securing stable operation even if the load current is varied. For this purpose, use a capacitor C with.7µf or more and good ESR (Equivalent Series Resistance). (Note: If additional ceramic capacitors are connected with parallel to the output pin with an output capacitor for phase compensation, the operation might be unstable. Because of this, test the IC with as same external components as ones to be used on the PCB.) PCB Layout The impedances of VDD line and GND line has to be low as possible. The high impedances may result in the unstable operation or a noise pickup. The output capacitor with.7µf or more should be placed between VDD and GND. The line from VDD to the output capacitor, and the line from the output capacitor to GND must be wired as short as possible. The output capacitor is placed between VOUT and GND as phase compensation. The line from VOUT to the output capacitor, and the line from the capacitor to GND must be wired as short as possible. Please refer to the Basic Test Circuit below. 7
RPx NO.EA-79-77 ESR vs. Output Current When using the IC, consider the following points: The relations between IOUT (Output Current) and ESR of an output capacitor are shown below. The conditions when the white noise level is under µv (Avg.) are marked as the hatched area in the graph. Measurement conditions Frequency Band : Hz to MHz Temperature : C to 85 C C, C :.7µF RPx8xx RPx8xx Ta=85 C Ta=85 C ESR (Ω) Ta=- C ESR (Ω) Ta=- C... 5 5. 5 5 Output Current (ma) Output Current (ma) RPx8xx RPxxx Ta=85 C Ta=85 C ESR (Ω) Ta=- C ESR (Ω) Ta=- C... 5 5. 5 5 Output Current (ma) Output Current (ma) 8
RPx TYPICAL CHARACTERISTICS ) vs. Output Current (C=.7μF, C=.7μF, Ta=5 ) RPx8xx RPx8xx...9.8 VOUT (V).8.7.6.5..3..V..8V.8V 3.8V 5.5V VOUT (V).6....8.6..8V 3.8V.8V 5.5V... 3 5 Output Current I OUT (ma). 3 5 Output Current I OUT (ma) RPx8xx RPxxx 3.5.5 VOUT (V) 3..5..5..5 3.8V.8V 5.5V VOUT (V). 3.5 3..5..5..5 5V 5.5V. 3 5 Output Current I OUT (ma). 3 5 Output Current I OUT (ma) ) vs. Input Voltage (C=.7µF, C=.7µF, Ta=5 ) RPx8xx VOUT (V)..9.8.7.6.5..3... Iout=mA Iout=3mA Iout=5mA 3 5 VOUT (V)..8.6....8.6... RPx8xx Iout=mA Iout=3mA Iout=5mA 3 5 9
RPx NO.EA-79-77 RPx8xx RPxxx 3..5 VOUT (V).5..5..5 Iout=mA Iout=3mA Iout=5mA VOUT (V). 3.5 3..5..5..5 Iout=mA Iout=3mA Iout=5mA. 3 5. 3 5 3) Supply Current vs. Input Voltage (C=.7µF, C=.7µF, Ta=5 ) RPx8xx Supply Current Iss (µa) 9 8 7 6 5 3 3 5 Iout=mA Iout=mA Supply Current Iss (µa) 9 8 7 6 5 3 RPx8xx 3 5 Iout=mA Iout=mA Supply Current Iss (µa) RPx8xx 9 Iout=mA 8 Iout=mA 7 6 5 3 3 5 Supply Current Iss (µa) RPxxx 9 Iout=mA 8 Iout=mA 7 6 5 3 3 5
RPx ) Supply Current vs. Output Current (C=.7µF, C=.7µF, Ta=5 ) RPx8xx RPx8xx Supply Current Iss (µa) 5 5.mA -> 5mA Low Pow ermode to FastMode 5mA ->.ma FastMode to Low Pow ertmode Supply Current Iss (µa) 5 5.mA -> 5mA Low Pow ermode to FastMode 5mA ->.ma FastMode to Low Pow ertmode. Output Current IOUT (ma). Output Current IOUT (ma) RPx8xx RPxxx Supply Current Iss (µa) 5 5.mA -> 5mA Low Pow ermode to FastMode 5mA ->.ma FastMode to Low Pow ertmode Supply Current Iss (µa) 5 5.mA -> 5mA Low Pow ermode to FastMode 5mA ->.ma FastMode to Low Pow ertmode. Output Current IOUT (ma). Output Current IOUT (ma) 5) vs. Temperature (C=.7µF, C=.7µF, IOUT=mA) RPx8xx RPx8xx VIN=.8V VIN=.8V (V).85.8.83.8.8.8.79.78.77.76.75-5 -5 5 5 75 Temperature ( C) (V).85.8.83.8.8.8.79.78.77.76.75-5 -5 5 5 75 Temperature ( C)
RPx NO.EA-79-77 (V) RPx8xx.85.8.83.8.8.8.79.78.77.76.75-5 -5 5 5 75 Temperature ( C) (V) RPxxx..8.6... 3.98 3.96 3.9 3.9 3.9-5 -5 5 5 75 Temperature ( C) 6) Supply Current vs. Temperature (C=.7µF, C=.7µF) RPx8xx (Auto ECO Low Power Mode) VIN=.8V, IOUT=mA.. RPx8xx (Auto ECO Low Power Mode) VIN=.8V, IOUT=mA 3.5 3.5 Supply Current (µa) 3..5. Supply Current (µa) 3..5..5.5. -5-5 5 5 75. -5-5 5 5 75 Temperature( C) Temperature( C) RPx8xx (Auto ECO Low Power Mode) VIN=3.8V, IOUT=mA.. RPxxx (Auto ECO Low Power Mode) VIN=5.V, IOUT=mA 3.5 3.5 Supply Current (µa) 3..5. Supply Current (µa) 3..5..5.5. -5-5 5 5 75. -5-5 5 5 75 Temperature( C) Temperature( C)
RPx 7) Dropout Voltage vs. Output Current (C=.7µF, C=.7µF) RPx8xx.7.7 RPxxx DropOut Voltage VDIF(V).6.5..3. - C 5 C 85 C DropOut Voltage VDIF(V).6.5..3. - C 5 C 85 C.. 5 5 Output Current IOUT(mA) 5 5 Output Current IOUT(mA) RPxxx RPx5xx.7. DropOut Voltage VDIF(V).6.5..3. - C 5 C 85 C DropOut Voltage VDIF(V).35.3.5..5. - C 5 C 85 C..5 5 5 Output Current IOUT(mA). 5 5 Output Current IOUT(mA) RPx8xx RPxxx.. DropOut Voltage VDIF(V).35.3.5..5. - C 5 C 85 C DropOut Voltage VDIF(V).35.3.5..5. - C 5 C 85 C.5.5. 5 5 Output Current IOUT(mA). 5 5 Output Current IOUT(mA) 3
RPx NO.EA-79-77 RPx8xx RPx33xx.3.3 DropOut Voltage VDIF(V).5..5..5 - C 5 C 85 C DropOut Voltage VDIF(V).5..5..5 - C 5 C 85 C. 5 5 Output Current IOUT(mA). 5 5 Output Current IOUT(mA) RPxxx.3 DropOut Voltage VDIF(V).5..5..5 - C 5 C 85 C. 5 5 Output Current IOUT(mA) 8) Dropout Voltage vs Set 9) Maximum Output Current vs. Set (C=.7µF, C=.7µF, V IN=.V) DropOut Voltage VDIF (V).6.5..3.. ma 3mA 5mA ma 3 Set VREG (V) Output Current IOUT (ma) 8 6 8 6 5 C 85 C.8.9...3 Set VOUT (V)
RPx ) Ripple Rejection vs. Input Bias Voltage (C=none, C=.7µF, Ripple=.Vp-p, Ta=5 C) RPx8xx (Auto ECO Low Power Mode) IOUT=mA RPx8xx (Auto ECO Low Power Mode) Ripple Rejection RR(dB) 7 6 5 3.kHz khz khz khz Ripple Rejection RR(dB) 7 6 5 3.kHz khz khz khz IOUT=mA.8.8.8 3.8.8.8.8 3.8.8 RPx8xx (Auto ECO Low Power Mode) IOUT=mA RPxxx (Auto ECO Low Power Mode) IOUT=mA Ripple Rejection RR(dB) 7 6 5 3.kHz khz khz khz Ripple Rejection RR(dB) 7 6 5 3.kHz khz khz khz Ripple Rejection RR(dB) 9 8 7 6 5 3.8 3.3 3.8.3.8 5.3 RPx8xx (Auto ECO FAST Mode) IOUT=3mA.kHz khz khz khz.8.8.8 3.8.8 Ripple Rejection RR(dB) 9 8 7 6 5 3..5 5. RPx8xx (Auto ECO FAST Mode).kHz khz khz khz.8.8 3.8.8 IOUT=3mA 5
RPx NO.EA-79-77 Ripple Rejection RR(dB) 9 8 7 6 5 3 RPx8xx (Auto ECO FAST Mode) IOUT=3mA.kHz khz khz khz.8 3.3 3.8.3.8 5.3 Ripple Rejection RR(dB) 9 8 7 6 5 3 RPxxx (Auto ECO FAST Mode).kHz khz khz khz....6.8 5. 5. IOUT=3mA ) Ripple Rejection vs. Frequency (C=none, C=.7µF, Ripple=.Vp-p, Ta=5 C) RPx8xx RPx8xx VIN=.8V+.Vp-p VIN=.8V+.Vp-p Ripple Rejection (db) 9 8 7 6 5 3 ma 3mA 5mA ma ma. Frequency [khz] Ripple Rejection (db) 9 8 7 6 5 3 ma 3mA 5mA ma ma. Frequency [khz] RPx8xx VIN=3.8V+.Vp-p RPxxx VIN=5.V+.Vp-p Ripple Rejection (db) 9 8 7 6 5 3 ma 3mA 5mA ma ma. Frequency [khz] Ripple Rejection (db) 9 8 7 6 5 3 ma 3mA 5mA ma ma. Frequency [khz] 6
RPx ) Input Transient Response (C=none, C=.7µF, tr=tf=5µs, Ta=5 C) RPx8xx RPx8xx (Auto ECO Low Power Mode) (Auto ECO Low Power Mode) VIN=.8V.8V, IOUT=mA VIN=.8V 3.8V, IOUT=mA VOUT (V) VOUT (V) VOUT (V) 3 Input Voltage.86.8.8.8.78.76.7 -.5.5.5.5 3 3.5 Time t (ms) Input Voltage VIN (V) RPx8xx (Auto ECO Low Power Mode) VIN=3.8V.8V, IOUT=mA 6 5 Input Voltage 3.89.87.85.83.8.79.77 -.5.5.5.5 3 3.5 Time t(ms) Input Voltage VIN (V) RPx8xx (Auto ECO FAST Mode) VIN=.8V.8V, IOUT=3mA.89.88 3.87 Input Voltage.86.85.8.83.8.8.8.799 -.5.5.5.5 3 3.5 Time t (ms) Input Voltage VIN (V) VOUT (V) VOUT (V) VOUT (V) 5 Input Voltage 3.87.85.83.8.79.77.75 -.5.5.5.5 3 3.5 Time t(ms) Input Voltage VIN (V) RPxxx (Auto ECO Low Power Mode) VIN=5.V 5.5V, IOUT=mA 6 Input Voltage 5 3.8.6... 3.98 3.96 -.5.5.5.5 3 3.5 Time t(ms) Input Voltage VIN (V) RPx8xx (Auto ECO FAST Mode) VIN=.8V 3.8V, IOUT=3mA.8 5.89.88 Input Voltage 3.87.86.85.8.83.8.8.8 -.5.5.5.5 3 3.5 Time t(ms) Input Voltage VIN (V) 7
RPx NO.EA-79-77 VOUT (V).89.88.87.86.85.8.83.8.8.8 RPx8xx (Auto ECO FAST Mode) VIN=3.8V.8V, IOUT=3mA Input Voltage.89 -.5.5.5.5 3 3.5 Time t(ms) 6 5 3 Input Voltage VIN (V) VOUT (V).5.3..9.7.5.3..9.7 RPxxx (Auto ECO FAST Mode) VIN=5.V 5.5V, IOUT=3mA Input Voltage.5 -.5.5.5.5 3 3.5 Time t(ms) 6 5 3 Input Voltage VIN (V) 3) Load Transient Response (C=.7µF, C=.7µF, tr=tf=.5µs, Ta=5 C) RPx8xx RPx8xx (Auto ECO Low Power Mode FAST Mode) (Auto ECO Low Power Mode FAST Mode) VIN=.8V VIN=.8V VOUT (V).88.86.8.8.8.78.76.7.7.7 Output Current 3mA - 6 8 Time (ms) - - -6-8 - - - Output Current IOUT (ma) VOUT (V).88.86.8.8.8.78.76.7.7.7 Output Current 3mA - 6 8 Time (ms) - - -6-8 - - - Output Current IOUT (ma) RPx8xx (Auto ECO Low Power Mode FAST Mode) VIN=3.8V VOUT (V).97.9.9.88.85.8.79.76.73.7 Output Current 3mA - 3 Time (ms) - - -6-8 - - - Output Current IOUT (ma) VOUT (V) RPxxx (Auto ECO Low Power Mode FAST Mode) VIN=5.V.7...8.5. 3.99 3.96 3.93 3.9 Output Current 3mA -.5.5.5 Time (ms) - - -6-8 - - - Output Current IOUT (ma) 8
RPx RPx8xx (Auto ECO Low Power Mode FAST Mode) VIN=3.8V RPxxx (Auto ECO Low Power Mode FAST Mode) VIN=5.V 3.. VOUT (V).95.9.85.8.75.7.65 Output Current. ma - - -3 - -5 Output Current IOUT(mA) VOUT (V).5..5. 3.95 3.9 3.85 Output Current. ma - - -3 - -5 Output Current IOUT (ma).6-6 -....6.8 Time (ms) 3.8-6 -....6.8 Time (ms) ) Turn On Waveform () with CE pin (C=.7µF, Ta=5 C) RPx8xx RPx8xx VIN=.8V, IOUT=mA Input Voltage (V).5..5..5. C=μF C=.μF C=.7μF C=μF C=.7μF..8.6... -5 5 5 (V) Input Voltage (V) 3.5 3..5..5..5. C=μF C=.μF C=.7μF C=μF C=.7μF..5. -5 5 5 5 VIN=.8V, IOUT=mA..5 (V) Input Voltage (V) 5.. 3.... RPx8xx C=μF C=.μF C=.7μF C=μF C=.7μF VIN=3.8V, IOUT=mA 3.5.8...7. -5 5 5 5 35 (V) Input Voltage (V) 6. 5.. 3.... RPxxx C=μF C=.μF C=.7μF C=μF C=.7μF 3.... -5 5 5 5 35 5 VIN=5.V, IOUT=mA. (V) 9
RPx NO.EA-79-77 5) Turn On Input Waveform (Input Current) with CE pin (C=.7µF, Ta=5 C) RPx8xx RPx8xx VIN=.8V, IOUT=mA Input Voltage (V).5..5..5. Rush Current C=μF C=.μF C=.7μF C=μF C=.7μF -5 5 5 5 3 Rush Current (ma) Input Voltage (V) 3.5 3..5..5..5. Rush Current C=μF C=.μF C=.7μF C=μF C=.7μF -5 5 5 5 VIN=.8V, IOUT=mA 5 3 Rush Current (ma) Input Voltage (V) 5.. 3.... RPx8xx Rush Current VIN=3.8V, IOUT=mA C=μF C=.μF C=.7μF C=μF C=.7μF -5 5 5 5 35 5 3 Rush Current (ma) Input Voltage (V) 6. 5.. 3.... Rush Current RPxxx C=μF C=.μF C=.7μF C=μF C=.7μF -5 5 5 5 35 5 VIN=5.V, IOUT=mA 5 3 Rush Current (ma) 6) Turn On Speed with CE pin (D Version) (C=.7µF, C=.7µF, Ta=5 C) RPx8xx RPx8xx VIN=.8V VIN=.8V (V).5..5 ----- IOUT=3mA ----- IOUT=5mA (V) (V) 3... ----- IOUT=3mA ----- IOUT=5mA (V). -5 5 5 5 35 5. -5 5 5 5 35 5
RPx RPx8xx VIN=3.8V RPxxx VIN=5.V 6 I (V). 3... ----- IOUT=3mA ----- IOUT=5mA - - -6 (V) (V) 5.. 3... ----- IOUT=3mA ----- IOUT=5mA (V). -8-5 5 5 5 35 5. -5 5 5 5 35 5 7) Turn Off Speed with CE pin (D Version)(C=.7µF, C=.7µF, Ta=5 C) RPx8xx RPx8xx VIN=.8V (V)..5. -.5 ----- IOUT=mA ----- IOUT=3mA ----- IOUT=5mA -5 5 5 5 3 3 (V) (V).5..5..5 ----- IOUT=mA ----- IOUT=3mA ----- IOUT=5mA. -.5-5 5 5 5 3 3 (V) VIN=.8V (V) 3 RPx8xx ----- IOUT=mA ----- IOUT=3mA ----- IOUT=5mA - -5 5 5 5 3 VIN=3.8V 6 (V) (V) 5 3 RPxxx ----- IOUT=mA ----- IOUT=3mA ----- IOUT=5mA - -5 5 5 5 3 6 (V) VIN=5.V
POWER DISSIPATION DFN(PLP)- The power dissipation of the package is dependent on PCB material, layout, and environmental conditions. The following conditions are used in this measurement. Ver. A Measurement Conditions Environment Board Material Board Dimensions Copper Ratio Through-holes Standard Test Land Pattern Mounting on Board (Wind Velocity = m/s) Glass Cloth Epoxy Plastic (Double-Sided Board) mm mm.6 mm Top Side: Approx. 5% Bottom Side: Approx. 5% φ.5 mm pcs Measurement Result Power Dissipation Thermal Resistance (Ta = 5 C, Tjmax = 5 C) Standard Test Land Pattern mw θja = (5 5 C) /. W = 5 C/W θjc = 67 C/W 6 5 Power Dissipation P D (mw) 3 On Board Standard Land Pattern 5 5 75 85 5 5 Ambient Temperature ( C) IC Mount Area (mm) Power Dissipation vs. Ambient Temperature Measurement Board Pattern i
PACKAGE DIMENSIONS DFN(PLP)- Ver. A * DFN(PLP)- Package Dimensions (Unit: mm) The tab on the bottom of the package shown by blue circle is a substrate potential (GND). It is recommended that this tab be connected to the ground plane on the board but it is possible to leave the tab floating. i
POWER DISSIPATION SC-88A The power dissipation of the package is dependent on PCB material, layout, and environmental conditions. The following conditions are used in this measurement. Ver. A Measurement Conditions Environment Board Material Board Dimensions Copper Ratio Through-holes Standard Test Land Pattern Mounting on Board (Wind Velocity = m/s) Glass Cloth Epoxy Plastic (Double-Sided Board) mm mm.6 mm Top Side: Approx. 5% Bottom Side: Approx. 5% φ.5 mm pcs Measurement Result (Ta = 5 C, Tjmax = 5 C) Standard Test Land Pattern Free Air Power Dissipation 38 mw 5 mw Thermal Resistance θja = (5 5 C) /.38W = 63 C/W θja = (5 5 C) /.5W = 667 C/W θja = 75 C/W - 6 Power Dissipation (mw) 5 3 38 5 Standard Test Land Pattern Free Air 5 5 75 85 5 5 Ambient Temperature ( C) IC Mount Area (mm) Power Dissipation vs. Ambient Temperature Measurement Board Pattern i
PACKAGE DIMENSIONS SC-88A Ver. A SC-88A Package Dimensions i
POWER DISSIPATION SOT-3-5 The power dissipation of the package is dependent on PCB material, layout, and environmental conditions. The following conditions are used in this measurement. Ver. A Measurement Conditions Environment Board Material Board Dimensions Copper Ratio Through-holes Standard Test Land Pattern Mounting on Board (Wind Velocity = m/s) Glass Cloth Epoxy Plastic (Double-Sided Board) mm x mm x.6 mm Top Side: Approx.5% Bottom Side: Approx. 5% φ.5 mm x pcs Measurement Result (Ta = 5 C, Tjmax = 5 C) Standard Test Land Pattern Free Air Power Dissipation mw 5 mw Thermal Resistance θja = (5 5 C) /. W = 38 C/W C/W 6 Power Dissipation (mw) 5 3 5 Standard Test Land Pattern Free Air 5 5 75 85 5 5 Ambient Temperature ( C) IC Mount Area (mm) Power Dissipation vs. Ambient Temperature Measurement Board Pattern i
PACKAGE DIMENSIONS SOT-3-5 Ver. A.9±..9±. (.95) (.95).±..8±. 5 +..6-..8±.3 ~..min. 3.±. +..5-.5 SOT-3-5 Package Dimensions i
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