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LE12ABZ

VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT

STMicroelectronics 

LE00AB/C

SERIES

VERY LOW DROP

VOLTAGE REGULATORS WITH INHIBIT

s VERY LOW DROPOUT VOLTAGE (0.2V TYP)

s VERY LOW QUIESCENT CURRENT (TYP.

50 µA IN OFF MODE, 0.5 mA IN ON MODE,

NO LOAD)

s OUTPUT CURRENT UP TO 100 mA

s OUTPUT VOLTAGES OF 1.25; 1.5; 2.5; 3;

3.3; 3.5; 4; 4.5; 4.7; 5; 5.2; 5.5; 6; 8V

s INTERNAL CURRENT AND THERMAL LIMIT

s ONLY 2.2 µF FOR STABILITY

s AVAILABLE IN ± 1% (A) OR ± 2% (C)

SELECTION AT 25°C

s SUPPLY VOLTAGE REJECTION: 80db (TYP.)

s TEMPERATURE RANGE: -40 TO 125 °C

DESCRIPTION

The LE00 regulator series are very Low Drop

regulators available in SO-8 and TO-92 packages

and in a wide range of output voltages.

The very Low Drop voltage (0.2V) and the very

low quiescent current make them particularly

suitable for Low Noise Low Power applications

and specially in battery powered systems.

They are pin to pin compatible with the older

L78L00 series. Furthermore in the 8 pin

configuration (SO-8) they employ a Shutdown

Logic Control (pin 5, TTL compatible). This means

that when the device is used as a local regulator,

SCHEMATIC DIAGRAM

SO-8

TO-92

it’s possible to put in stand by a part of the board

even more decreasing the total power

consumption. In the three terminal configuration

(TO-92) the device is even in ON STATE,

maintaining the same electrical performances. It

needs only 2.2µF capacitor for stability allowing

room and cost saving effect.

July 2004

Rev. 6

1/27

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