LP38500-ADJ, LP38502-ADJ

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SNVS539F – NOVEMBER 2007 – REVISED APRIL 2013

LP38500/2-ADJ, LP38500A/2A-ADJ 1.5A FlexCap Low Dropout Linear Regulator for 2.7V to

5.5V Inputs

Check for Samples: LP38500-ADJ, LP38502-ADJ

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FEATURES

DESCRIPTION

TI's FlexCap LDO's feature unique compensation that

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•

FlexCap: Stable with Ceramic, Tantalum, or

allows the use of any type of output capacitor with no

Aluminum Capacitors

limits on minimum or maximum ESR. The LP38500/2

•

Stable with 10 µF Input/output Capacitor

series of low-dropout linear regulators operates from

•

Adjustable Output Voltage from 0.6V to 5V

a +2.7V to +5.5V input supply. These ultra low

dropout linear regulators respond very quickly to step

•

Low Ground Pin Current

changes in load, which makes them suitable for low

•

25 nA Quiescent Current in Shutdown Mode

voltage microprocessor applications. Developed on a

•

Ensured Output Current of 1.5A

CMOS process, (utilizing a PMOS pass transistor),

the

LP38500/2

has

low

quiescent

current

that

•

Available in DDPAK/TO-263, PFM, and WSON-8

changes little with load current.

Packages

Ground Pin Current: Typically 2 mA at 1.5A load

•

current.

Grade)

•

Ensured Accuracy of ±3.5% @ 25°C (STD)

Disable Mode: Typically 25 nA quiescent current

when the Enable pin is pulled low.

•

Over-Temperature and Over-Current

Protection

Simplified Compensation: Stable with any type of

output capacitor, regardless of ESR.

•

•

Enable Pin (LP38502)

Precision Output: "A" grade versions available with

and temperature.

APPLICATIONS

•

ASIC Power Supplies In:

–

Printers, Graphics Cards, DVD Players

–

Set Top Boxes, Copiers, Routers

•

DSP and FPGA Power Supplies

•

SMPS Regulator

•

Conversion from 3.3V or 5V Rail

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Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

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PRODUCTION DATA information is current as of publication date.

Copyright © 2007–2013, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.