Datasheet > G994P1U

G994P1U

更新时间： 2024-11-12 01:24:27

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描述
4X Linear Fan Driver for 12V DC Fan

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中文翻译

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数据手册

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G994P1U 数据手册

Global Mixed-mode Technology Inc.

G994

4X Linear Fan Driver for 12V DC Fan

Features

General Description

VO Follows 4.0 Times of VSET

The G994 is a high performance positive voltage regu-

lator designed for use in applications requiring very

low dropout voltage at up to 0.5 Amps. The G994 VO

output voltage follows the 4.0 times of VSET voltage

until it reaches VIN voltage. The VSET voltage must

be larger than 1V to guarantee VO 4.0 times of VSET.

An enable pin further reduces power dissipation while

shut down. The G994 provides excellent regulation

over variations in line, load and temperature.

0.5V Dropout @ 0.5A

Over Current and Over Temperature Protection

Enable Pin

100µA Quiescent Current in Shutdown

Power TO-252-5, SOP-8, SOP-8 with power pad

Package

Applications

Notebook Computer Fan Driver

Projector Cooling Fan

Battery Powered Systems

Motherboards

The G994 is available in the power TO-252-5, SOP-8

and SOP-8 with power pad package.

Peripheral Cards

Ordering Information

ORDER

NUMBER

TEMP.

RANGE

PACKAGE

(Pb free)

MARKING

G994TJU

G994P1U

G994F1U

994

G994

-40°C ~ +85°C

TO-252-5

SOP-8

G994

SOP-8 (FD)

Note: TJ: TO-252-5

U: Tape & Reel

P1: SOP-8

F1:SOP (FD)

Pin Configuration

Typical Application Circuit

G994

VSET

G994

VEN

VIN

VEN

VIN

GND

VIN

GND

VEN

C_IN

2.2µF

C_O

10µF

VSET

G994

SOP-8

G994

GND

VO =4 X VSET

VSET

G994

Top View

VSET

VEN

VIN

VIN GND VEN VSET

NC/GND

GND

VIN

TO-252-5

GND

VEN

VSET

C_O

10µF

C_IN

2.2µF

NC/GND

SOP-8 (FD)

VO =4 X VSET

* : V_SET< 0.3V Disable; V_SET>1V Enable

TEL: 886-3-5788833

http://www.gmt.com.tw

Ver: 1.0

Jan 25, 2006

中文翻译

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