LP8358

150mA, µCap, Low Dropout Voltage Regulator with

Power Good

General Description

The LP8358 is a µCap, precise CMOS voltage regulator with

low Power good output R

It provides up to 150mA and consumes a typical of 10nA in

shutdown mode. The LP8358 output stage is designed with

a push pull output for faster transient recovery response.

The LP8358 is optimized to work with low value, low cost

ceramic capacitors. The output typically require only 1µF of

output capacitance for stability. The enable pin can be tied to

V

The LP8358 is designed for portable, battery powered equip-

ment applications with small space requirements.

The LP8358 is available in a 5-pin SOT-23 package. Perfor-

mance is specified for the −40˚C to +125˚C temperature

range and is available in a fixed 1.2V. For other output

voltage options, please contact National Semiconductor.

Features

n

Low power good R

Ω

n

Power good indicator

n

Stability with low ESR capacitors

n

Low ground current: 120µA

n

150mA output current

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"Zero" shutdown current mode

n

Fast transient recovery response

n

Auto discharge

n

Thermal shutdown

n

Current limiting

Applications

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Processor power-up sequencing

n

Laptop, notebook and palm top computer

n

PCMCIA V

Typical Application

20057919

Ordering Information

Package

Part Number

Package Marking

Transport Media

NSC Drawing

5-Pin SOT-23

LP8358MF-1.2

LH2B

1k Units Tape and Reel

MF05A

LP8358MFX-1.2

3k Units Tape and Reel

February 2003

© 2003 National Semiconductor Corporation

DS200579

www.national.com