1PF

MODE

LP3987

A1

C1

A3

B2

1PF

C3

LP3987

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SNVS164G – OCTOBER 2001 – REVISED MAY 2013

Micropower DSBGA 150-mA Ultra Low-Dropout CMOS Voltage Regulator

With Sleep MODE

Check for Samples: LP3987

1

FEATURES

DESCRIPTION

The LP3987 is a 150mA fixed output voltage

2

•

Miniature 5-I/O DSBGA Package

regulator with very low dropout voltage designed

•

Stable With Ceramic and High-Quality

specially to meet requirements of battery-powered

Tantalum Output Capacitors

applications. The additional sleep MODE feature will

•

Logic Controlled Enable

reduce current consumption during standby operation

to prolong the usage of battery.

•

Thermal Shutdown and Short-Circuit Current

Limit

Dropout Voltage: 100mV maximum dropout with

150mA load.

APPLICATIONS

Shutdown: Less than 1µA quiescent current.

•

CDMA Cellular Handsets

Sleep Mode: Typically 14µA quiescent current during

•

Wideband CDMA Cellular Handsets

sleep MODE to reduce battery consumption.

•

GSM Cellular Handsets

Enhanced Stability: The LP3987 is stable with

•

Portable Information Appliances

minimum

1µF±20%

low

ESR

ceramic

output

capacitor as low as 5m

Ω and high quality tantalum

•

µP/DSP Power Supplies

capacitors.

•

Digital Cameras

The LP3987 is available in a thin 5 Bump DSBGA

•

SRAM Backup

package. Performance is specified for

−40°C to

125°C.

KEY SPECIFICATIONS

This device is available with output voltage options of

•

2.7 to 6.0V Input Range

2.5V, 2.6V, 2.8V, 2.85V, and 3.0V. For other voltage

•

150 mA Output Current

options, please contact Texas Instruments.

•

1

μA Quiescent Current on Shutdown

•

100 mV Maximum Dropout with 150 mA Load

•

50dB PSRR at 10KHz

•

Sleep MODE Features

•

Over Temperature & Over Current Protection

•

−40°C to +125°C Junction Temperature Range

for Operation

Typical Application Circuit

1

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

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

2

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Copyright © 2001–2013, 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.