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AIC1740

Low Output Voltage, 500mA Low Dropout

Linear Regulator

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FEATURES

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DESCRIPTION

The AIC1740 is a 3-pin low dropout linear

regulator. The superior characteristics of the

AIC1740 include zero base current loss, very

low dropout voltage, and 2% accuracy output

voltage.

Typical

ground

current

remains

approximately

65碌A(chǔ), from no load to maximum loading

conditions. Dropout voltage is exceptionally low.

Output current limiting and thermal limiting are

built in to provide maximal protection to the

AIC1740 against fault conditions.

The AIC1740 comes in the popular SOT-223,

TO-251 and TO-252 packages.

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Low Dropout Voltage of 900mV at 500mA

Output Current (3.0V Output Version).

Guaranteed 500mA Output Current.

Internal 1.5鈩?P-MOSFET Draws no Base

Current.

Low Ground Current at 65碌A(chǔ).

2% Accuracy Output Voltage of 1.8V/ 2.0V/

2.5V/ 2.7V/ 3.0V.

Input Voltage Range up to 12V.

Needs only 4.7碌F for Stability.

Current and Thermal Limiting.

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APPLICATIONS

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Voltage Regulator for CD-ROM Drivers.

Voltage Regulator for LAN Cards.

Voltage Regulator for Monitor Microprocessor.

Voltage Regulator for RAM Module.

Wireless Communication Systems.

Battery Powered Systems.

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TYPICAL APPLICATION CIRCUIT

VIN

V

I N

VOUT

AIC1740

V

OUT

+

1

碌

F

C

I N

GND

+

10

碌

F

C

OUT

Low Dropout Linear Regulator

Analog Integrations Corporation

DS-1740-00 Aug 2, 00

4F, 9, Industry E. 9th Rd, Science Based Industrial Park, Hsinchu Taiwan, ROC

TEL: 886-3-5772500

FAX: 886-3-5772510

www.analog.com.tw

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