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NCP4632
(Rev.:2017)

3A, Low Voltage, Low Dropout Linear Voltage Regulator with Reverse Current Protection

ON Semiconductor 

NCP4632

3A, Low Voltage, Low

Dropout Linear Voltage

Regulator with Reverse

Current Protection

The NCP4632 is a CMOS Linear voltage regulator with high output

current capability (up to 3 A). This device can provide output voltages

as low as 0.8 V while maintaining a low dropout voltage of 510 mV

typ. at full load. The NCP4632 is designed to draw only 350 mA of

supply current and less than 1 mA in standby mode to minimize current

consumption for battery operated applications. The device has a high

accuracy output voltage of ±1% along with soft−start and reverse

current protection circuits to protect the device and the application.

The NCP4632 is available in a Pb−Free DPAK−5 package in both

fixed and adjustable output voltage options. The output voltage for the

fixed options can be modified in 0.1 V steps from 0.8 V to 4.2 V

Please contact your sales office for any additional fixed voltage

outputs to those already listed.

Features

• Operating Input Voltage Range: 1.6 V to 5.25 V

• Output Voltage Range: 0.8 to 4.5 V (0.1 V steps for fixed options)

• Supply current: Typical Operation Mode − 350.0 mA

Standby Mode

− 1.0 mA

• Dropout Voltage:

150 mV Typ. at IOUT = 1 A, VOUT = 2.5 V

510 mV Typ. at IOUT = 3 A, VOUT = 2.5 V

• ±1% Output Voltage Accuracy

• Line Regulation 0.15%/V Typ.

• Current Fold Back Protection Typ. 220 mA

• Stable with Ceramic Capacitors

• Available in DPAK−5 Package (TO252−5)

• These are Pb−Free Devices

Typical Applications

• Battery Powered Equipments

• Portable Communication Equipments

• Cameras, VCRs and Camcorders

• Home appliances

VIN

NCP4632 (Fixed)

VIN

VOUT

VOUT VIN

C1

CE

SENSE

GND

10m

C2

C1

10m

10m

www.onsemi.com

MARKING

DIAGRAM

DPAK−5

CASE 369AE

E1Jxx1

yy zz

123 45

xx = Specific Device Code

YY = B − Without Active Discharge

= D − With Active Discharge

zz = Lot Number

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 13 of this data sheet.

NCP4632 (Adj)

VIN

VOUT

CE

VADJ

GND

R1 VOUT

C2

R2 10m

Figure 1. Typical Application Schematics

© Semiconductor Components Industries, LLC, 2017

1

February, 2017 − Rev. 3

Publication Order Number:

NCP4632/D

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