LE25ABD datasheet(1/39 Pages) STMICROELECTRONICS

Nome de Peças	LE25ABD

Descrição Electrónicos	Very low drop voltage regulators with inhibit

PDF	39 Pages

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Fabricante Electrônico	STMICROELECTRONICS [STMicroelectronics]

Página de início	http://www.st.com

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1 / 39 page

July 2008

Rev 12

1/39

39

LExxAB

LExxC

Very low drop voltage regulators with inhibit

Features

■ Very low dropout voltage (0.2 V typ)

■ Very low quiescent current (typ. 50 µA in OFF

MODE, 0.5 mA in ON MODE, no load)

■ Output current up to 100 mA

■ Output voltages of 2.5; 2.7; 3; 3.3; 3.5; 4; 4.5;

4.7; 5; 8 V

■ Internal current and thermal limit

■ Only 2.2 µF for stability

■ Available in ± 1 % (A) or ± 2 % (C) selection at

25 °C

■ Supply voltage rejection: 80 dB (typ.)

■ Temperature range: -40 to 125 °C

Description

The LExxAB and LExxC are very low drop voltage

regulators available in SO-8 and TO-92 packages

and in a wide range of output voltages.

The very low drop voltage (0.2 V) 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

L78Lxx 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,

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 2.2 µF capacitor for stability allowing

room and cost saving effect.

SO-8

TO-92

Table 1.

Device summary

Part numbers

LE25AB

LE35C

LE47AB

LE27AB

LE35AB

LE50C

LE30C

LE40C

LE50AB

LE33C

LE45C

LE80C

LE33AB

LE45AB

LE80AB

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Nº de peça semelhante - LE25ABD

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LE25ABD Folha de dados(PDF) 1 Page - STMicroelectronics

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Descrição semelhante - LE25ABD

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