US1206-25CY Datasheet

IC型號(hào)：
US1206-25CY
PDF描述：
1A ULTRA LOW DROPOUT POSITIVE ADJUSTABLE & FIXED REGULATOR
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43.27KB
PDF頁數(shù)：
7頁
芯片廠家：
UNISEM

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US1206/1207/1208/1209

1A ULTRA LOW DROPOUT POSITIVE

ADJUSTABLE & FIXED REGULATOR

PRELIMINARY DATASHEET

FEATURES

Low Droput Voltage (500mV at 1A)

1% Voltage Reference Accuracy

Low Ground Current

10uA Quiescent Current in Shutdown

(US1207,1208)

Fast Transient Response

Current Limit and Thermal Shutdown

Error Flag Signal for Output out of Regulation

(US1207,1209)

Pin Compatible with MIC39100/101/102 series

DESCRIPTION

The US1206 family of devices are ultra low dropout 1A

regulators using PNP transistor as the pass element.

These products are ideal when a single input supply is

available only and the dropout voltage is less than 1V,

exceeding the minimum dropout characteristics of NPN/

PNP hybrid regulators. One common application of these

regulators are where input is 3.3V and a 2.5V output is

needed.

Besides the low dropout of less than 0.5V, other fea-

tures of the family of the parts are; micropower shutdown

capability and output UVLO detection where Flag pin is

switched low when output is below 5% of its nominal

point. The US1206-XX in SOT223 is pin compatible with

MIC39100-XX, US1207 and 1209 in SO8 power package

are compatible with MIC39101 and 39102 respectively.

APPLICATIONS

2.5V Supply from 3.3V Input for the new genera-

tion of Logic ICs

Computer Mother Board, Add on Cards

High Efficiency Post Regulator in SMPS

TYPICAL APPLICATION

Vout

US1206-XX

Gnd

Vin

1206app1-1.0

Vin

PACKAGE ORDER INFORMATION

Tj (擄C)

0 TO 125

Rev. 1.1

6/26/00

3 LEAD

TO252

US1206-18CD

US1206-25CD

US1206-33CD

5 LEAD

TO263

US1206-18CY

US1206-25CY

US1206-33CY

US1207-18CM

US1207-25CM

US1207-33CM

US1208CM

US1209CM

8 PIN PLASTIC

SOIC Power

US1206-18CM

US1206-25CM

US1206-33CM

US1207CS

US1208CS

US1209CS

Voltage

1.8V

2.5V

3.3V

1.8V

2.5V

3.3V

Adj

Pin Functions

Vin, Vout, GND

Vin, Vout, GND, Enable, Flag

Vin, Vout, GND, Flag, Adj

Vin, Vout, GND, Adj, Enable

2-1

型號(hào)

版本

描述

廠商

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