NJM2391 查看數據表（PDF） - Japan Radio Corporation

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NJM2391

LOW DROPOUT VOLTAGE REGULATOR

Japan Radio Corporation  

NJM2391

LOW DROPOUT VOLTAGE REGULATOR

„ GENERAL DESCRIPTION

The NJM2391 is low dropout voltage regulators

featuring high precision voltage.

It is suitable for Notebook PCs, PC cards and hard

disks where 3.3V need to be generated from 5V supply.

A small TO-252 package is adopted for the space

saving.

„ PACKAGE OUTLINE

NJM2391DL1

„ FEATURES

zOutput Current

Io(max.)=1A

zHigh Precision Output Voltage Vo±1%

zLow Dropout Voltage

∆ VI-O =1.1V typ. At Io=1A

zInternal Excessive Voltage Protection Circuit

zInternal Short Circuit Current Limit

zInternal Thermal Overload Protection

zBipolar Technology

zPackage Outline

TO-252

„ PIN CONFIGURATION

2

PIN FUNCTION

1.VIN

2.GND

3.VOUT

13

NJM2391DL1

„ ABSOLUTE MAXIMUM RATINGS

PARAMETER

Input Voltage

SYMBOL

V+

Power Dissipation

PD

Operating Temperature

Topr

Storage Temperature

Tstg

(Ta=25°C)

RATINGS

UNIT

+10

V

TO-252

8 (Tc=25°C)

0.8(Ta≤25°C)

W

−40 ~ +85

°C

−50 ~ +125

°C

„ OUTPUT VOLTAGE RANK LIST

Device Name

NJM2391DL1-25

NJM2391DL1-26

NJM2391DL1-28

VOUT

2.5V

2.6V

2.85V

NJM2391DL1-03 3.0V

NJM2391DL1-33 3.3V

NJM2391DL1-35 3.5V

NJM2391DL1-05 5.0V

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