Datasheet > L1087-3.3

L1087-3.3

更新时间： 2024-09-13 22:06:51

品牌	Logo	应用领域
其他 - ETC		稳压器
页数	文件大小	规格书
6页	63K
描述
0.8A Fixed and Adjustable Low Dropout Linear Regulator (LDO)

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L1087-3.3 数据手册

0.8A Fixed and Adjustable Low Dropout L1087 Series

NIKO-SEM

SOT-89,TO-92

Linear Regulator (LDO)

GENERAL DESCRIPTION

FEATURES

The L1087 Series are positive and low

dropout three-terminal voltage regulators

with 0.8A output current capability. These

devices are designed for use in low voltage

applications that offers lower dropout volt-

age and faster transient response.

Fixed 3.3V or adjustable output voltage

Low dropout voltage

Low ground current

Fast transient response

Current & thermal limiting

Line regulation: 0.5% typical

Load regulation: 0.5% typical

Available in SOT-89 & TO-92 package

These devices are fully protected against

over current faults, over temperature oper-

ation, reversed input polarity, reversed lead

insertion, transient voltage spike …etc.

APPLICATIONS

Low voltage micro-controllers

Battery Chargers

5V to 3.3V linear regulators

Motherboard clock supplies

Post regulator for switching supplies

On-Chips trimming the reference voltage to

1% and features the low dropout of maxi-

mum 1.45 volts.

The L1087 Series regulators offer fixed and

adjustable voltage options available in the

space saving SOT-89 & TO-92 package.

TYPICAL APPLICATION

Vin

Vout

Vin > 4.75V

L1087

ADJ

Vout = 3.3V

OUT

L1087-3.3

GND

OUT

Vref

Cin

Cout

10uF

Cin

Cout

10uF

Iadj

Vo = Vref (1+R2/R1) + Iadj x R2

1. Cin needed if device is far from filter capacitors.

2. Cout required for stability.

1. Cin needed if device is far from filter capacitors.

2. Cout required for stability.

- Basic Adjustable Regulator Circuit -

- Fixed Voltage Regulator -

AUG-30-2001

12 3 4 5 6

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