NJM2857DL3 查看數據表（PDF） - Japan Radio Corporation

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NJM2857DL3

LOW DROPOUT VOLTAGE REGULATOR

Japan Radio Corporation  

NJM2857 www.DataSheet4U.com

LOW DROPOUT VOLTAGE REGULATOR

GENERAL DESCRIPTION

The NJM2857 is a low dropout voltage regulator.

This product has Reverse Current Protection without external SBD

Advanced Bipolar technology achieves low noise, high ripple

rejection and high supply voltage.

1.5A output current capacity, 4.7µF small decoupling capacitor,

built-in noise bypass capacitor make the NJM2857 suitable for

various applications.

FEATURES

High Ripple Rejection

80dB typ. (f=1kHz, Vo=3V Version)

Output Noise Voltage

Vno=55µVrms typ. (Vo=3V Version)

Output capacitor with ceramic capacitor

Output Current

Io(max.)=1.5A

High Precision Output

Vo ±1.0%

Low Dropout Voltage

0.20V typ. (Io=1A)

ON/OFF Control

Internal Reverse Current Protection

Internal Thermal Overload Protection

Internal Over Current Protection

Bipolar Technology

Package Outline

TO-252-5

PIN CONFIGURATION

3

1.CONTROL

2.VIN

3.GND

4.Vo

5.N.C.

12 3 45

NJM2857DL3

EQUIVALENT CIRCUIT

PACKAGE OUTLINE

NJM2857DL3

VIN

CONTROL

Reverse

Current

Protection

Bandgap

Reference

Thermal

Protection

VOUT

GND

Ver.2010-02-08

Current

Limit

-1-

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