NJM2855 查看數據表（PDF） - Japan Radio Corporation

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NJM2855

LOW DROPOUT VOLTAGE REGULATOR

Japan Radio Corporation  

NJM2855

LOW DROPOUT VOLTAGE REGULATOR

„ GENERAL DESCRIPTION

The NJM2855 is a 3-terminal low dropout voltage regulator.

Advanced Bipolar technology achieves low noise, high ripple

rejection.

It delivers up to 5V/1A output power with the maximum input

voltage of 10V.

The NJM2855 is suitable for various applications such as

portable / consumer devices.

„ PACKAGE OUTLINE

NJM2855DL1

„ FEATURES

z High Ripple Rejection 75dB typ. (f=1kHz,Vo=3V Version)

z Output Noise Voltage Vno=45µVrms typ.

z Output capacitor with 2.2µF ceramic capacitor (Vo≥2.7V)

z Output Current

Io (max.)=1A

z High Precision Output Vo±1.0%

z Low Dropout Voltage 0.20V typ. (Io=600mA)

z Internal Short Circuit Current Limit

z Internal Thermal Overload Protection

z Bipolar Technology

z Package Outline

TO-252-3

„ PIN CONFIGURATION

2

PIN FUNCTION

1.VIN

2.GND

3.VOUT

13

NJM2855DL1

„ EQUIVALENT CIRCUIT

V IN

Bandgap

Reference

Thermal

Protection

V OUT

GND

Ver.2012-10-24

1

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