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AP2112K

The AP2112K is an electronic component from Diodes Incorporated. View the full AP2112K datasheet below including key specifications, electrical characteristics, absolute maximum ratings.

AP2112K shares its datasheet with AP2112K-3.3, whose page lists every part number it covers.

Official AP2112K datasheet (PDF) — the source this page was extracted from.

AP2112K Key Specifications

ParameterValue
Output Current600mA (Min.)
Output Voltage Accuracy±1.5%
Dropout Voltage (3.3V)250mV (Typ.) @IOUT = 600mA
Quiescent Current55μA (Typ.) @IOUT = 0mA
Standby Current0.01μA (Typ.)
Load Regulation0.2%/A (Typ.)
Line Regulation0.02%/V (Typ.)
PSRR65dB (Typ.) @100Hz, 1kHz, IOUT = 100mA
RMS Output Noise50μVRMS (Typ.)

AP2112K Overview

Part: AP2112 — Diodes Incorporated

Type: CMOS Low Dropout Linear Regulator

Description: CMOS process low dropout linear regulator with enable function, delivering a guaranteed 600mA continuous load current and available in fixed output voltages of 1.2V, 1.8V, 2.5V, 2.6V, or 3.3V.

Operating Conditions:

  • Supply voltage: 2.5–6 V
  • Operating temperature: -40 to 85 °C
  • Output voltage: 1.2V, 1.8V, 2.5V, 2.6V, or 3.3V (fixed)

Absolute Maximum Ratings:

  • Max supply voltage: 6.5 V
  • Max junction temperature: +150 °C

Key Specs:

  • Output Current: 600mA (Min.)
  • Output Voltage Accuracy: ±1.5%
  • Dropout Voltage (3.3V): 250mV (Typ.) @IOUT = 600mA
  • Quiescent Current: 55μA (Typ.) @IOUT = 0mA
  • Standby Current: 0.01μA (Typ.)
  • Load Regulation: 0.2%/A (Typ.)
  • Line Regulation: 0.02%/V (Typ.)
  • PSRR: 65dB (Typ.) @100Hz, 1kHz, IOUT = 100mA
  • RMS Output Noise: 50μVRMS (Typ.)

Features:

  • Output Voltage Accuracy: ± 1.5%
  • Output Current: 600mA (Min.)
  • Foldback Short Current Protection: 50mA
  • Enable Function to Turn ON/OFF VOUT
  • Low Dropout Voltage (3.3V): 250mV (Typ.) @IOUT = 600mA
  • Excellent Load Regulation: 0.2%/A (Typ.)
  • Excellent Line Regulation: 0.02%/V (Typ.)
  • Low Quiescent Current: 55μA (Typ.)
  • Low Standby Current: 0.01μA (Typ.)
  • Low Output Noise: 50μVRMS
  • PSRR: 100Hz -65dB, 1kHz -65dB
  • OTSD Protection
  • Stable with 1.0μF Flexible Cap: Ceramic, Tantalum and Aluminum Electrolytic
  • Operation Temperature Range: -40°C to +85°C
  • ESD: MM 400V, HBM 4000V
  • Totally Lead-Free & Fully RoHS Compliant
  • Halogen and Antimony Free. 'Green' Device

Applications:

  • Laptop Computer
  • LCD Monitor
  • Portable DVD

Package:

  • SOT25
  • SOT89-5
  • SO-8

AP2112K Features

  • Output Voltage Accuracy: ± 1.5%
  • Output Current: 600mA (Min.)
  • Foldback Short Current Protection: 50mA
  • Enable Function to Turn ON/OFF VOUT
  • Low Dropout Voltage (3.3V): 250mV (Typ.) @IOUT = 600mA
  • Excellent Load Regulation: 0.2%/A (Typ.)
  • Excellent Line Regulation: 0.02%/V (Typ.)
  • Low Quiescent Current: 55μ A (Typ.)
  • Low Standby Current: 0.01μ A (Typ.)
  • Low Output Noise: 50μ VRMS
  • PSRR: 100Hz -65dB, 1kHz -65dB
  • OTSD Protection
  • Stable with 1.0μ F Flexible Cap: Ceramic, Tantalum and Aluminum Electrolytic
  • Operation Temperature Range: -40° C to +85° C
  • ESD: MM 400V, HBM 4000V
  • Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
  • Halogen and Antimony Free. 'Green' Device (Note 3)

AP2112K Applications

  • Laptop Computer
  • LCD Monitor
  • Portable DVD

Notes:

  1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
  2. See http://www.diodes.com/quality/lead\_free.html for more information about Diodes Incorporated's definitions of Halogen- and Antimony-free, "Green" and Lead-free.
  3. Halogen- and Antimony-free "Green‖ products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and <1000ppm antimony compounds.

AP2112

AP2112K Pin Configuration

AP2112K Electrical Characteristics

AP2112-1.2 Electrical Characteristics (@VIN = 2.5V, CIN = 1.0μ F (Ceramic), COUT = 1.0μ F (Ceramic), Typical TA = +25° C, unless otherwise specified (Note 6))

Note 6: Production testing at TA = +25° C. Over temperature specifications guaranteed by design only.

SymbolParameterConditionsConditionsMinTypMaxUnit
V OUTOutput VoltageV IN = 2.5V, 1mA ≤ I OUT ≤ 30mAV IN = 2.5V, 1mA ≤ I OUT ≤ 30mAV OUT *98.5%1.2V OUT *101.5%V
I OUT(MAX)Maximum Output CurrentV IN = 2.5V, V OUT = 1.182V to 1.218VV IN = 2.5V, V OUT = 1.182V to 1.218V600--mA
(∆V OUT /V OUT )/∆I OUTLoad RegulationV IN = 2.5V, 1mA ≤ I OUT ≤ 600mAV IN = 2.5V, 1mA ≤ I OUT ≤ 600mA-10.21%/A
(∆V OUT /V OUT )/∆V INLine Regulation2.5V ≤ V IN ≤ 6V, I OUT = 30mA2.5V ≤ V IN ≤ 6V, I OUT = 30mA-0.10.020.1%/V
V DROPDropout VoltageI OUT = 10mAI OUT = 10mA-10001300mV
V DROPDropout VoltageI OUT = 300mAI OUT = 300mA-10001300mV
V DROPDropout VoltageI OUT = 600mAI OUT = 600mA-10001300mV
I QQuiescent CurrentV IN = 2.5V, I OUT = 0mAV IN = 2.5V, I OUT = 0mA-5580μA
I STDStandby CurrentV IN = 2.5V, V EN in OFF modeV IN = 2.5V, V EN in OFF mode-0.011.0μA
PSRRPower Supply Rejection RatioRipple 0.5Vp-p V IN = 2.5V,f = 100Hz-65-dB
PSRRPower Supply Rejection RatioI OUT = 100mAf = 1kHz-65-dB
(∆V OUT /V OUT )/∆TOutput Voltage Temperature CoefficientI OUT = 30mA T A = -40° C to +85° CI OUT = 30mA T A = -40° C to +85° C-±100-ppm/° C
I SHORTShort Current LimitV OUT = 0VV OUT = 0V-50-mA
V NOISERMS Output NoiseNo Load, 10Hz ≤ f ≤ 100kHzNo Load, 10Hz ≤ f ≤ 100kHz-50-μV RMS
V IHV EN High VoltageEnable logic high, regulator onEnable logic high, regulator on1.5-6.0V
V ILV EN Low VoltageEnable logic low, regulator offEnable logic low, regulator off0-0.4V
t SStart-up TimeNo LoadNo Load-20-μs
R PDEN Pull Down Resistor---3.0-MΩ
R DCHGV OUT Discharge ResistorSet EN pin at LowSet EN pin at Low-60-Ω
T OTSDThermal Shutdown Temperature---+160-° C
T HYOTSDThermal Shutdown Hysteresis---+25-
θ JCThermal ResistanceSOT25SOT25-96-
θ JC(Junction to Case)SO-8SO-8-75-° C/W
θ JC(Junction to Case)SOT89-5SOT89-5-47-

Note 6: Production testing at TA = +25° C. Over temperature specifications guaranteed by design only.

AP2112-1.8 Electrical Characteristics (@VIN = 2.8V, CIN = 1.0μ F (Ceramic), COUT = 1.0μ F (Ceramic), Typical TA = +25° C, unless otherwise specified (Note 6))

Note 6: Production testing at TA = +25° C. Over temperature specifications guaranteed by design only.

SymbolParameterConditionsConditionsMinTypMaxUnit
V OUTOutput VoltageV IN = 2.8V, 1mA ≤ I OUT ≤ 30mAV IN = 2.8V, 1mA ≤ I OUT ≤ 30mAV OUT *98.5%1.8V OUT *101.5%V
I OUT(MAX)Maximum Output CurrentV IN = 2.8V, V OUT = 1.773V to 1.827VV IN = 2.8V, V OUT = 1.773V to 1.827V600--mA
(∆V OUT /V OUT )/∆I OUTLoad RegulationV OUT = 1.8V, V IN = V OUT +1V, 1mA ≤ I OUT ≤ 600mAV OUT = 1.8V, V IN = V OUT +1V, 1mA ≤ I OUT ≤ 600mA-10.21%/A
(∆V OUT /V OUT )/∆V INLine Regulation2.8V ≤ V IN ≤ 6V, I OUT = 30mA2.8V ≤ V IN ≤ 6V, I OUT = 30mA-0.10.020.1%/V
V DROPDropout VoltageI OUT = 10mAI OUT = 10mA-500700mV
V DROPDropout VoltageI OUT = 300mAI OUT = 300mA-500700mV
V DROPDropout VoltageI OUT = 600mAI OUT = 600mA-500700mV
I QQuiescent CurrentV IN = 2.8V, I OUT = 0mAV IN = 2.8V, I OUT = 0mA-5580μA
I STDStandby CurrentV IN = 2.8V, V EN in OFF modeV IN = 2.8V, V EN in OFF mode-0.011.0μA
PSRRRipple 0.5Vp-pf = 100Hz-65-dB
PSRRPower Supply Rejection RatioV IN = 2.8V, I OUT = 100mAf = 1kHz-65-dB
(∆V OUT /V OUT )/∆TOutput Voltage Temperature CoefficientI OUT = 30mA T A = -40° C to +85° CI OUT = 30mA T A = -40° C to +85° C-±100-ppm/° C
I SHORTShort Current LimitV OUT = 0VV OUT = 0V-50-mA
V NOISERMS Output NoiseNo Load, 10Hz ≤ f ≤ 100kHzNo Load, 10Hz ≤ f ≤ 100kHz-50-μV RMS
V IHV EN High VoltageEnable logic high, regulator onEnable logic high, regulator on1.5-6.0
V ILV EN Low VoltageEnable logic low, regulator offEnable logic low, regulator off0-0.4V
t SStart-up TimeNo LoadNo Load-20-μs
R PDEN Pull Down Resistor---3.0-MΩ
R DCHGV OUT Discharge ResistorSet EN pin at LowSet EN pin at Low-60-Ω
T OTSDThermal Shutdown Temperature---+160-
T HYOTSDThermal Shutdown Hysteresis---+25-° C
θ JCSOT25SOT25-96-
θ JCThermal Resistance (Junction to Case)SO-8SO-8-75-° C/W
θ JCSOT89-5SOT89-5-47-

Note 6: Production testing at TA = +25° C. Over temperature specifications guaranteed by design only.

AP2112-2.5 Electrical Characteristics (@VIN = 3.5V, CIN = 1.0μ F (Ceramic), COUT = 1.0μ F (Ceramic), Typical TA = +25° C, unless otherwise specified (Note 6))

Note 6: Production testing at TA = +25° C. Over temperature specifications guaranteed by design only.

SymbolParameterConditionsConditionsMinTypMaxUnit
V OUTOutput VoltageV IN = 3.5V, 1mA ≤ I OUT ≤ 30mAV IN = 3.5V, 1mA ≤ I OUT ≤ 30mAV OUT *98.5%2.5V OUT *101.5%V
I OUT(MAX)Maximum Output CurrentV IN = 3.5V, V OUT = 2.463V to 2.537VV IN = 3.5V, V OUT = 2.463V to 2.537V600--mA
(∆V OUT /V OUT )/∆I OUTLoad RegulationV OUT = 2.5V, V IN = V OUT +1V, 1mA ≤ I OUT ≤ 600mAV OUT = 2.5V, V IN = V OUT +1V, 1mA ≤ I OUT ≤ 600mA-10.21%/A
(∆V OUT /V OUT )/∆V INLine Regulation3.5V ≤ V IN ≤ 6V, I OUT = 30mA3.5V ≤ V IN ≤ 6V, I OUT = 30mA-0.10.020.1%/V
V DROPDropout VoltageI OUT = 10mAI OUT = 10mA-58mV
V DROPDropout VoltageI OUT = 300mAI OUT = 300mA-125200mV
V DROPDropout VoltageI OUT = 600mAI OUT = 600mA-250400mV
I QQuiescent CurrentV IN = 3.5V, I OUT = 0mAV IN = 3.5V, I OUT = 0mA-5580μA
I STDStandby CurrentV IN = 3.5V, V EN in OFF modeV IN = 3.5V, V EN in OFF mode-0.011.0μA
PSRRPower Supply Rejection RatioRipple 0.5Vp-p V = 3.5V,f = 100Hz-65-dB
(∆V OUT /V OUT )/∆TOutput Voltage Temperature CoefficientIN I OUT = 100mA I OUT = 30mAf = 1KHz- -65 ±100- -ppm/° C
I SHORTShort Current LimitT A = -40° C to +85° C V OUT = 0VT A = -40° C to +85° C V OUT = 0V-50-mA
V NOISERMS Output NoiseNo Load, 10Hz ≤ f ≤ 100kHzNo Load, 10Hz ≤ f ≤ 100kHz-50-μV RMS
V IHV EN High Voltage1.5-6.0
V ILV EN Low VoltageEnable logic high, regulator on Enable logic low, regulator offEnable logic high, regulator on Enable logic low, regulator off0-0.4V
t SStart-up TimeNo LoadNo Load-20-μs
R PDEN Pull Down Resistor---3.0-MΩ
R DCHGV OUT Discharge ResistorSet EN pin at LowSet EN pin at Low-
-
60-
-
Ω
T OTSDThermal Shutdown Temperature--+160
T HYOTSDThermal Shutdown Hysteresis---+25-° C
θ JCSOT25SOT25-96-
θ JCThermal Resistance (Junction to Case)SO-8SO-8-75-° C/W
θ JCSOT89-5SOT89-5-47-

Note 6: Production testing at TA = +25° C. Over temperature specifications guaranteed by design only.

AP2112-2.6 Electrical Characteristics (@VIN = 3.6V, CIN = 1.0μ F (Ceramic), COUT = 1.0μ F (Ceramic), Typical TA = +25° C, unless otherwise specified (Note 6))

Note 6: Production testing at TA = +25° C. Over temperature specifications guaranteed by design only.

SymbolParameterConditionsConditionsMinTypMaxUnit
V OUTOutput VoltageV IN = 3.6V, 1mA ≤ I OUT ≤ 30mAV IN = 3.6V, 1mA ≤ I OUT ≤ 30mAV OUT *98.5%2.6V OUT *101.5%V
I OUT(MAX)Maximum Output CurrentV IN = 3.6V, V OUT = 2.561V to 2.639VV IN = 3.6V, V OUT = 2.561V to 2.639V600--mA
(∆V OUT /V OUT )/∆I OUTLoad RegulationV OUT = 2.6V, V IN = V OUT +1V, 1mA ≤ I OUT ≤ 600mAV OUT = 2.6V, V IN = V OUT +1V, 1mA ≤ I OUT ≤ 600mA-10.21%/A
(∆V OUT /V OUT )/∆V INLine Regulation3.6V ≤ V IN ≤ 6V, I OUT = 30mA3.6V ≤ V IN ≤ 6V, I OUT = 30mA-0.10.020.1%/V
V DROPDropout VoltageI OUT = 10mAI OUT = 10mA-58mV
V DROPDropout VoltageI OUT = 300mAI OUT = 300mA-125200mV
V DROPDropout VoltageI OUT = 600mAI OUT = 600mA-250400mV
I QQuiescent CurrentV IN = 3.6V, I OUT = 0mAV IN = 3.6V, I OUT = 0mA-5580μA
I STDStandby CurrentV IN = 3.6V, V EN in OFF modeV IN = 3.6V, V EN in OFF mode-0.011.0μA
PSRRPower Supply Rejection RatioRipple 0.5Vp-p V = 3.6V,f = 100Hz-65-dB
(∆V OUT /V OUT )/∆TOutput Voltage Temperature CoefficientIN I OUT = 100mA I OUT = 30mAf = 1kHz- -65 ±100- -ppm/° C
I SHORTShort Current LimitT A = -40° C to +85° C V OUT = 0VT A = -40° C to +85° C V OUT = 0V-50-mA
V NOISERMS Output NoiseNo Load, 10Hz ≤ f ≤ 100kHzNo Load, 10Hz ≤ f ≤ 100kHz-50-μV RMS
V IHV EN High VoltageEnable logic high, regulator onEnable logic high, regulator on1.5-6.0
V ILV EN Low VoltageEnable logic low, regulator offEnable logic low, regulator off0-0.4V
t SStart-up TimeNo LoadNo Load-20-μs
R PDEN Pull Down Resistor---3.0-MΩ
R DCHGV OUT Discharge ResistorSet EN pin at LowSet EN pin at Low-
-
60-
-
Ω
T OTSDThermal Shutdown Temperature--+160
T HYOTSDThermal Shutdown Hysteresis---+25-° C
θ JCSOT25SOT25-96-
θ JCThermal Resistance (Junction to Case)SO-8SO-8-75-° C/W
θ JCSOT89-5SOT89-5-47-

Note 6: Production testing at TA = +25° C. Over temperature specifications guaranteed by design only.

AP2112-3.3 Electrical Characteristics (@VIN = 4.3V, CIN = 1.0μ F (Ceramic), COUT = 1.0μ F (Ceramic), Typical TA = +25° C, unless otherwise specified (Note 6))

Note 6: Production testing at TA = +25° C. Over temperature specifications guaranteed by design only.

SymbolParameterConditionsConditionsMinTypMaxUnit
V OUTOutput VoltageV IN = 4.3V, 1mA ≤ I OUT ≤ 30mAV IN = 4.3V, 1mA ≤ I OUT ≤ 30mAV OUT *98.5%3.3V OUT *101.5%V
I OUT(MAX)Maximum Output CurrentV IN = 4.3V, V OUT = 3.251V to 3.350VV IN = 4.3V, V OUT = 3.251V to 3.350V600--mA
(∆V OUT /V OUT )/∆I OUTLoad RegulationV IN = 4.3V, 1mA ≤ I OUT ≤ 600mAV IN = 4.3V, 1mA ≤ I OUT ≤ 600mA-10.21%/A
(∆V OUT /V OUT )/∆V INLine Regulation4.3V≤ V IN ≤ 6V, I OUT = 30mA4.3V≤ V IN ≤ 6V, I OUT = 30mA-0.10.020.1%/V
V DROPDropout VoltageI OUT = 10mAI OUT = 10mA-58mV
V DROPDropout VoltageI OUT = 300mAI OUT = 300mA-125200mV
V DROPDropout VoltageI OUT = 600mAI OUT = 600mA-250400mV
I QQuiescent CurrentV IN = 4.3V, I OUT = 0mAV IN = 4.3V, I OUT = 0mA-5580μA
I STDStandby CurrentV IN = 4.3V, V EN in OFF modeV IN = 4.3V, V EN in OFF mode-0.011.0μA
PSRRPower Supply Rejection RatioRipple 0.5Vp-p V IN = 4.3V,f = 100Hz-65-dB
PSRRPower Supply Rejection RatioI OUT = 100mAf = 1kHz-65-dB
(∆V OUT /V OUT )/∆TOutput Voltage Temperature CoefficientI OUT = 30mA T A = -40° C to +85° CI OUT = 30mA T A = -40° C to +85° C-±100-ppm/° C
I SHORTShort Current LimitV OUT = 0VV OUT = 0V-50-mA
V NOISERMS Output NoiseNo Load, 10Hz ≤ f ≤ 100kHzNo Load, 10Hz ≤ f ≤ 100kHz-50-μV RMS
V IHV EN High VoltageEnable logic high, regulator onEnable logic high, regulator on1.5-6.0V
V ILV EN Low VoltageEnable logic low, regulator offEnable logic low, regulator off0-0.4V
t SStart-up TimeNo LoadNo Load-20-μs
R PDEN Pull Down Resistor---3.0-MΩ
R DCHGV OUT Discharge ResistorSet EN pin at LowSet EN pin at Low-60-Ω
T OTSDThermal Shutdown Temperature---+160-° C
T HYOTSDThermal Shutdown Hysteresis---+25-
θ JCThermal Resistance (Junction to Case)SOT25SOT25-96-
θ JCThermal Resistance (Junction to Case)SO-8SO-8-75-° C/W
θ JCThermal Resistance (Junction to Case)SOT89-5SOT89-5-47-

Note 6: Production testing at TA = +25° C. Over temperature specifications guaranteed by design only.

AP2112K Absolute Maximum Ratings

SymbolParameterRatingRatingUnit
V CCPower Supply Voltage6.56.5V
T JOperating Junction Temperature Range+150+150° C
T STGStorage Temperature Range-65 to +150-65 to +150° C
T LEADLead Temperature (Soldering, 10 Seconds)+260+260° C
θ JAThermal Resistance (Junction to Ambient)(No Heatsink)SOT25184° C/W
θ JAThermal Resistance (Junction to Ambient)(No Heatsink)SO-8114° C/W
θ JAThermal Resistance (Junction to Ambient)(No Heatsink)SOT89-5120° C/W
-ESD (Machine Model)400400V
-ESD (Human Body Model)40004000V
SymbolParameterMinMaxUnit
V INSupply Voltage2.56V
T AAmbient Operation Temperature Range-4085° C

AP2112

AP2112K Typical Application

Note 4: It is recommended to use X7R or X5R dielectric capacitor if 1.0μ F ceramic capacitor is selected as input/output capacitors.

AP2112K Package Information

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