Datasheet > G5E1286

G5E1286

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
GTM		稳压器
页数	文件大小	规格书
4页	298K
描述
1.5A Ultra Low Dropout Positive Adjustable or Fixed-mode Regulator

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G5E1286 数据手册

ISSUED DATE :2005/07/11

REVISED DATE :2006/03/29B

GTM

CORPORATION

G5E1286

1.5A Ultra Low Dropout Positive Adjustable or Fixed-mode Regulator

Description

The G5E1286 is 1.5A regulator with extremely low dropout voltage. This product is specifically designed to

provide well regulated supply for applications requiring 2.8V or lower voltages from 3.3V ATX power supplies

where high efficiency of the switch can be achieved without the cost and complexity associated with switching

regulator. One such application is the new graphic chipsets that requires anywhere from 2.4V to 2.7V supply.

Features

Ԧ0.5V maximum dropout voltage at 1.5A load current

ԦBuilt-in thermal shutdown

ԦOutput current limiting

ԦAdjustable or fixed output voltage 1.5V, 1.8V, 2.5V, 3.3V, 5.0V

ԦFast transient response

ԦGood noise rejection

Package Dimensions

Millimeter

REF.

Min.

Max.

4.80

1.00

0.50

9.00

10.4

15.3

Min.

6.20

1.25

Max.

6.60

1.45

4.40

0.76

0.36

8.60

9.80

14.7

13.25

14.25

1.70 REF.

2.60

3.71

2.89

3.96

Typical Application

Block Diagram

Pin Descriptions

Name

I/O

Description

Adj (Gnd)

A resistor divider from this pin to the Vout pin and ground sets the output voltage. (Gnd only for fixed mode)

The pin is the positive side of the reference that allows remote load sensing to achieve excellent load

regulation. A minimum of 10uF capacitor must be connected from this pin to ground to insure stability.

Vsense

The input pin of regulator. Typically a large storage capacitor is connected from this pin to ground to insure

that the input voltage does not sag below the minimum dropout voltage during the load transient response.

This pin must always be higher than Vout in order for the device to regulate.

Vin

This pin is the supply pin for the internal control circuit as well as the base drive for the pass transistor. This

pin must always by higher than the Vout pin in order the device to regulate. A minimum of 100uF capacitor

must be connected from this pin to ground to insure stability.

Vctrl

Vout

The output of the regulator. A minimum of 100uF capacitor must be connected from this pin to ground to

insure stability.

G5E1286

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