( ) Advanced Power Electronics Corp. 300mA ULTRA LOW DROPOUT POSITIVE ADJUSTABLE AND FIXED REGULATORS DESCRIPTION FEATURES APPLICATIONS
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1 FEATURES SOT-23-5 Package Stable with 2.2µF Ceramic Capacitor 2% Voltage Reference Accuracy Only 320mV Dropout at 300mA and 170mV Dropout at 150mA 5 Quiescent Current in Shutdown Current Limit and Thermal Shutdown Logic Input Enable Pin Halogen Free & RoHS Compliant Product APPLICATIONS Laptop, Notebook & Palmtop computers Battery Powered Equipments PCMCIA Vcc & Vpp Regulator Consumer Electronics High Efficiency Linear Power Supplies 300mA ULTRA LOW DROPOUT POSITIVE ADJUSTABLE AND FIXED REGULATORS DESCRIPTION The device is an efficient linear voltage regulator with better than 2% initial voltage accuracy, very low dropout voltage and very low ground current designed especially for hand held, battery powered applications. Other features of the device are: TTL compatible enable/ shutdown control input, current limiting and thermal shutdown. The is available in adjustable output voltage versions in a small SOT-23 5-Pin package. TYPICAL APPLICATION C1 2.2uF Gnd R1 R2 C2 2.2uF VO ( ) Vo = R1 R2 SD Enable EN Adj Figure 1 - Typical application of the ajustable voltage regulator. PACKAGE ORDER INFORMATION X-HF Halogen Free Package Y5 : SOT-23-5L Y5R : SOT-23-5L Data and specifications subject to change without notice
2 Advanced Power ABSOLUTE MAXIMUM RATINGS Input Voltage ()... 10V Enable Input Voltage... 10V Storage Temperature Range C To 150 C Operating Junction Temperature Range... 0 C To 150 C Junction Temperature Range... 0 o C To 125 o C PACKAGE INFORMATION TOP VIEW SOT-23-5L GND EN TOP VIEW SOT-23-5L EN GND Y5 Y5R ELECTRICAL SPECIFICATIONS ADJ Rthja=256 /W Unless otherwise specified, these specifications apply over CIN=Co=2.2µF, Io=100, (MIN)=2.5V(Adjustable devices), =VFB(for adjustable version only), VEN=2V and TA=25 o C. Typical values refer to TA=25 o C. Low duty cycle pulse testing is used which keeps junction and case temperatures equal to the ambient temperature. ADJ Rthja=256 /W PARAMETER SYM TEST CONDITION MIN TYP MAX UNITS Reference Voltage Line Regulation Load Regulation (Note 1) Vo VI VL Vo + 1V<<10V 1mA<Io<300mA % %/V % Dropout Voltage (Note 2) VI(O) Io= mv Io=150mA 170 Ground Current (Note 3) IQ Io=300mA VEN=2V, Io= Ground Current-SD Activated Current Limit Thermal Regulation Adjust Pin Current Enable Pin Input LO Voltage Enable Pin Input HI Voltage Enable Pin Input LO Current Enable Pin Input HI Current IQ(SD) ICL VP IADJ VEN(L) VEN(H) VEN=0V to 0.8V or Open Vo=0V =10V, Io=150mA, 10ms Pulse =2.5V, Vo=VADJ Regulator OFF Regulator ON VEN(L)=0V VEN(H)=2V ma %/W V V 2
3 Note 1: Low duty cycle pulse testing with Kelvin connections is required in order to maintain accurate data. Note 2: Dropout voltage is defined as the minimum differential voltage between and required to maintain regulation at. It is measured when the output voltage drops below its nominal value. Note 3: Ground current is the regulator quiescent current plus the pass transistor current. The total current from the supply is the sum of the load current plus the ground pin current. PIN DESCRIPTIONS PIN SYMBOL PIN DESCRIPTION The input pin of the regulator. Typically a large storage capacitor is connected from this pin to ground to insure that the input voltage does not sag below the minimum drop out voltage during the load transient response. This pin must always be higher than by at least the amount of the dropout voltage and some margin in order for the device to regulate properly. Gnd En Adj (Adjustable Only) Ground pin. This pin must be connected to the lowest potential in the system and all other pins must be at higher potential with respect to this pin. Enable pin. A low signal or left open on this pin shuts down the output. This pin must be tied HI or to for normal operation. A resistor divider from this pin to the pin and ground sets the output voltage. To minimize the error due to the error amplifier, select the values of the resistor dividers to be less than 10KΩ. The output of the regulator. A minimum of 2.2µF with max ESR of 1Ω capacitor must be connected from this pin to ground to insure stability. 3
4 Advanced Power BLOCK DIAGRAM Adj THERMAL SHUTDOWN 0.8V Gnd + CURRENT LIMIT En Figure 2 - Adjustable output block diagram. 4
5 TYPICAL PERFORMANCE CHARACTERISTICS Current Limit ( vs. ) Load Transient =0mA ~ 150mA =3.5V, R1/R2=2KΩ/1KΩ, CIN=COUT=2.2uF(EL Cap.) =3.5V, R1/R2=2KΩ/1KΩ, CIN=COUT=2.2uF(EL Cap.) Ton=Toff=1mS, Rising=Falling=0.25A/uS Power ON (R L =16Ω) Power Sequence Power OFF (R L =16Ω) =VEN=3.5V, R1/R2=2KΩ/1KΩ, CIN=COUT=2.2uF(EL Cap.) Power ON (R L =8Ω) Power Sequence Power OFF (R L =8Ω) =VEN=3.5V, R1/R2=2KΩ/1KΩ, CIN=COUT=2.2uF(EL Cap.) 5
6 TYPICAL PERFORMANCE CHARACTERISTICS Enable ON Sequence (R L =16Ω) VEN=0V to 2V Enable OFF Sequence (R L =16Ω) VEN=2V to 0V =3.5V, R1/R2=2KΩ/1KΩ, CIN=COUT=2.2uF(EL Cap.) Enable ON Sequence (R L =8Ω) VEN=0V to 2V Enable OFF Sequence (R L =8Ω) VEN=2V to 0V =3.5V, R1/R2=2KΩ/1KΩ, CIN=COUT=2.2uF(EL Cap.) 6
7 MARKING INFORMATION SOT-23-5L XXSS Part Number : RS : Y5 rs : Y5R Date Code : SS 7
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The Future of Analog IC Technology MP20142 Dual Channel, 200mA Linear Regulator With Programmable Output Voltage and Output Discharge DESCRIPTION The MP20142 is a dual-channel, low noise, low dropout and
AT818 FEATURES DESCRIPTION APPLICATION PIN CONFIGURATIONS (TOP VIEW) ORDER INFORMATION. 3.0A Ultra Low Dropout Regulator AT 818- SF8 R
FEATURES DESCRIPTION Adjustable Output from 0.8V Input Voltage as Low as 1.8V Enable Pin 250mV Dropout @2A Over Current and Over Temperature Protection 5μA Quiescent Current in Shutdown P-CH Design to
NJM2871/A, NJM2872/A LOW DROPOUT VOLTAGE REGULATOR
LOW DROPOUT VOLTAGE REGULATOR GENERAL DESCRIPTION The NJM2871/A, NJM2872/A are low dropout voltage regulators designed for cellular phone application. Advanced Bipolar technology achieves low noise, high
YB1210R 300mA, Ultra-Low-Noise, High PSRR LDO Regulator
Description The YB1210R is a series of ultra-low-noise, low dropout (LDO) linear regulators with 2.0% output voltage accuracy. The YB1210R regulators achieve a low 320mV dropout at 300mA load current of
BL mA 3-Pin, Ultra Fast, Ultra Low Dropout High PSRR CMOS LDO Regulator
GND FEATURES Ultra-Fast Response in Line/Load Transient Low Dropout:210mV@300mA Wide Operating Voltage Range:2V to 6V Wide Output Voltage Range:1.2V to 5V Low Temperature Coefficient Current Limiting Protection
Advanced Monolithic Systems
Advanced Monolithic Systems FEATURES Fixed and Adjustable Versions Available Output Current up to Very Low Reverse Battery Protection Input-output Differential less than.6v Short Circuit Protection Internal
150mA RF ULDO REGULATOR General Description. Features
General Description The is a 150mA ULDO regulator which provides very low noise, ultra low dropout voltage (typically 165 at 150mA), very low standby current (1 maximum) and excellent power supply ripple
RT9179A. Adjustable, 500mA LDO Regulator with Enable. General Description. Features. Applications. Ordering Information. Pin Configurations
Adjustable, 5mA LDO Regulator with Enable General Description The RT9179A is a high performance linear voltage regulator with enable high function and adjustable output with a 1.175V reference voltage.
RT9167/A. Low-Noise, Fixed Output Voltage,300mA/500mA LDO Regulator. Features. General Description. Applications. Ordering Information
Pin Configurations RT9167/A Low-Noise, Fixed,3mA/mA LDO Regulator General Description The RT9167/A is a 3mA/mA low dropout and low noise micropower regulator suitable for portable applications. The output
RT mA, Ultra-Low Noise, Ultra-Fast CMOS LDO Regulator. Features. General Description. Applications. Ordering Information. Marking Information
ma, Ultra-Low Noise, Ultra-Fast CMOS LDO Regulator General Description The RT9178 is designed for portable RF and wireless applications with demanding performance and space requirements. The RT9178 s performance
50mA Ultra-Low Quiescent Current LDO Linear Regulator
Description The series is a positive voltage regulator with high accuracy output voltage and ultra-low quiescent current which is typically 1.0μA. The device is ideal for battery powered handheld equipments
AMS1117 DESCRIPTION FEATURES APPLICATIONS TYPICAL ELECTRICAL CHARACTERISTIC TYPICAL APPLICATION. 1A Bipolar Linear Regulator
DESCRIPTION AMS1117 is a series of low dropout three -terminal regulators with a dropout of 1.3V at 1A load current. AMS 1117 features a very low standby current 2mA compared to 5mA of competitor. Other
CM mA LDO WITH ON/OFF
GENERAL DESCRIPTION The CM2838 family is a positive voltage linear regulator developed utilizing CMOS technology featured low quiescent current (25µ A typ.), low dropout voltage, and high output voltage
MIC General Description. Features. Applications. Typical Application. 5A, Low V IN, Low V OUT µcap LDO Regulator
MIC6952, Low V IN, Low V OUT µcap LDO Regulator General Description The MIC6952 is a, low dropout linear regulator that provides low voltage high current outputs with a minimum of external components.
Advanced Power Electronics Corp. AP1280MP-HF-3. 2A Sink/Source Bus Termination Regulator. Features. Description. Pin Configuration
Features Advanced Power Ideal for DDR-I, DDR-II and DDR-III V TT Applications Sink and Source 2A Continuous Current Integrated Power MOSFETs Generates Termination Voltage for SSTL_2, SSTL_18, HSTL, SCSI-2
EUP2511. HQI Boost Converter With 2.1A Switch In Tiny SOT-23 Package FEATURES DESCRIPTION APPLICATIONS. Typical Application Circuit
HQI Boost Converter With 2.1A Switch In Tiny SOT-23 Package DESCRIPTION The is a high performance current mode, PWM step-up converter. With an internal 2.1A, 150mΩ MOSFET, it can generate 5 at up to 900mA
Not Recommended for New Design
Features.4V maximum dropout at full load current Fast transient response Output current limiting Built-in thermal shutdown Packages: TO22-5, TO252-5, TO263-5, SOP8 Good noise rejection Fixed Output.5V,.8V,
RT V, 2μA, I Q, 100mA Low Dropout Voltage Linear Regulator. General Description. Features. Ordering Information RT2558- Applications
RT2558 36V, 2μA, I Q, 100mA Low Dropout Voltage Linear Regulator General Description The RT2558 is a high voltage linear regulator offering the benefits of high input voltage, low dropout voltage, low