Datasheet > G914X_15

G914X_15

更新时间： 2024-10-02 01:23:59

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描述
300mA High PSRR, Low-Noise LDO Regulators

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G914X_15 数据手册

Global Mixed-mode Technology Inc.

G914X

300mA High PSRR, Low-Noise LDO Regulators

Features

General Description

The G914X is a low supply current, high PSRR low

dropout linear regulator that comes in a space saving

SOT-23-5 package. The supply current at no-load is

55µA. In the shutdown mode, the maximum supply

current is less than 1µA. Operating voltage range of

the G914X is from 2.5V to 5.5V. The over-current pro-

tection limit is set at 500mA typical and 400mA mini-

mum. An over- temperature protection circuit is built-in

in the G914X to prevent thermal overload. These

power saving features make the G914X ideal for use

in the battery-powered applications such as notebook

computers, cellular phones, and PDA’s.

Ultra Low Output Noise⎯30µV (rms)

Ultra Low 55µA No-Load Supply Current

Ultra Low Dropout 70mV @ 50mA Load

Guarantee 300mA Output Current

Over-Temperature and Short-Circuit Protection

Fixed Mode: 2.70V (G914A), 2.80V (G914B)

3.00V (G914C), 3.30V (G914D)

2.50V (G914E), 2.85V (G914F)

1.50V (G914G), 1.80V (G914H)

Adjustable Mode: from 1.25V to 5.50V (G914Z)

PSRR=70dB

Max. Supply Current in Shutdown Mode < 1µA

Stable with low cost ceramic capacitors

Applications

Notebook Computers

Cellular Phones

PDA

Hand-Held Devices

Battery-Powered Application

Ordering Information

ORDER NUMBER

(Pb free/Green)

G914Af

TEMP.

RANGE

MARKING

VOLTAGE

PACKAGE

4Axx

4Bxx

4Cxx

4Dxx

4Exx

4Fxx

4Gxx

4Hxx

4Zxx

2.70V

2.80V

3.00V

3.30V

2.50V

2.85V

1.50V

1.80V

Adjustable

SOT-23-5

-40°C~ +85°C

G914Bf

G914Cf

G914Df

G914Ef

G914Ff

G914Gf

G914Hf

G914Zf

Pin Configuration

Typical Application Circuit

G914A~G914H

OUTPUT

VOLTAGE

OUT

GND

＋

－

C_OUT

4.7µF

C_IN

SHDN

GND

1µF

BYP

BATTERY

C_BYP

10nF

SHDN

BYP

SOT-23-5

G914Z

Fixed mode

G914Z

OUTPUT

VOLTAGE

OUT

SET

OUT

GND

＋

C_IN

1µF

－

C_OUT

4.7µF

BATTERY

SHDN

GND

SET

SHDN

SOT-23-5

Adjustable mode

TEL: 886-3-5788833

http://www.gmt.com.tw

Ver: 2.1

Apr 20, 2011

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