LD2979M32 datasheet(1/9 Pages) STMICROELECTRONICS

Il numero della parte	LD2979M32

Spiegazioni elettronici	VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT

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Produttore elettronici	STMICROELECTRONICS [STMicroelectronics]

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LD2979

SERIES

VERY LOW DROP

VOLTAGE REGULATORS WITH INHIBIT

April 2000

s

VERY LOW DROPOUT VOLTAGE

(0.2V TYP. AT 50mA LOAD)

s

VERY LOW QUIESCENT CURRENT

(TYP. 500

µA AT50mA LOAD)

s

OUTPUT CURRENT UP TO 50 mA

s

LOGIC-CONTROLLED ELECTRONIC

SHUTDOWN

s

OUTPUT VOLTAGES OF 2.85; 3.0; 3.2; 3.3;

3.8; 5.0V

s

INTERNAL CURRENT AND THERMAL LIMIT

s

SUPPLY VOLTAGE REJECTION: 63dB (TYP)

s

ONLY 1

µF FOR STABILITY

s

SELECTION AT 25

oC

s

TEMPERATURE RANGE: -25 TO 125

oC

s

PACKAGE AVAILABLE:SOT23-5L AND TO-92

DESCRIPTION

The LD2979 series are very Low Drop regulators

available in SOT23-5L and TO-92.

The very low drop-voltage and the very low

quiescent current make them particularly suitable

for low noise, low power applications and in

battery powered systems.

Shutdown Logic Control function is available on

five pin version (TTL compatible). This means

that when the device is used as local regulator, it

is possible to put a part of the board in standby,

decreasing the total power consumption.

SCHEMATIC DIAGRAM

SOT23-5L

TO-92

®

1/9

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