Datasheet > G5655F11U

G5655F11U

更新时间： 2024-11-15 21:20:19

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描述
Switching Regulator/Controller

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数据手册

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G5655F11U 数据手册

Global Mixed-mode Technology Inc.

G5655

2A Step-down DC/DC

General Description

Features

2A Output Current

The G5655 is a monolithic step-down switch mode

regulator with a built in internal power MOSFET. It

achieves 2A continuous output current over a wide in-

put supply range with excellent load and line regulation.

0.18 Ohm Internal Power MOSFET Switch

Stable with Low ESR Output Ceramic Capaci-

tors

Up to 95% Efficiency

25uA Shutdown Mode

Fixed 400kHz Frequency

Thermal Shutdown

Cycle-by-Cycle Over Current Protection

Wide 4.75V to 20V Operating Input Range

Output Adjustable from 1.2V to 13V

Avaiable in SOP8 Package

Current mode operation provides fast transient re-

sponse ans eases loop stabilization.

Fault condition protection includes cycle-by-cycle cur-

rent limitng, output short circuit protection and thermal

shutdown. In shutdown mode the regulator draws 25µA

of supply current. Programmable soft-start overwrites

the internal soft-start for various requirement of output

power up ramp and minimizes the inrush supply current

at initial startup.

Applications

The G5655 requires a minimum number of readily

available standard external components. It is available

in a SOP-8 package.

PC Monitors

DSL Modems

Distributed Power Systems

Pre-Regulator for Linear Regulators

Ordering Information

ORDER

NUMBER

G5655P11U

G5655F11U

TEMP.

RANGE

PACKAGE

(Pb free)

SOP-8

MARKING

G5655

-40°C to +85°C

SOP-8 (FD)

Note: P1: SOP-8

1: Bonding Code

U : Tape & Reel

Pin Configuration

Typical Application Circuit

G5655

10µH

V_IN

4.75V~18V

V_OUT

3.3V/2A

SS34

10µF

OFF

22µF

MLCC

R1/28kΩ

R2/16kΩ

COMP

C_C

R_C

GND

C_C2

optional

0.1µF

GND

SOP-8

G5655

10µH

V_IN

4.75V~18V

V_OUT

3.3V/2A

0.1µF

10µF

OFF

SS34 R1/28kΩ

COMP

Thermal

Pad

COMP

GND

100µF/220µF

Electrolytic

C_C

R_C

R2/16kΩ

0.1µF

C_C2

GND

SOP-8 (FD)

V_OUT= 1.2V x ( 1 +

)

TEL: 886-3-5788833

http://www.gmt.com.tw

Ver: 0.1

Oct 02, 2008

中文翻译

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