LP2966

www.ti.com

SNVS028E – APRIL 2000 – REVISED APRIL 2013

Dual 150mA Ultra Low-Dropout Regulator

Check for Samples: LP2966

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FEATURES

KEY SPECIFICATIONS

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•

Ultra Low Drop-Out Voltage

•

Dropout Voltage: Varies Linearly with Load

Current. Typically 0.9 mV at 1mA Load Current

•

Low Ground Pin Current

and 135mV at 150mA Load Current

•

<1µA Quiescent Current in Shutdown Mode

•

Ground Pin Current: Typically 300µA at 1mA

•

Independent Shutdown of Each LDO Regulator

Load Current and 340µA at 100mA Load

•

Output Voltage Accuracy ±1%

Current (with One Shutdown Pin Pulled Low)

•

Ensured 150mA Output Current at Each

•

Shutdown Mode: Less than 1µA Quiescent

Output

Current when Both Shutdown Pins are Pulled

•

Low Output Noise

Low

•

Error Flags Indicate Status of Each Output

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Error Flag: Open Drain Output, Goes Low

•

Available in VSSOP-8 Surface Mount Package

when the Corresponding Output Drops 10%

Below Nominal

•

Low Output Capacitor Requirements (1µF)

•

Precision Output Voltage: Multiple Output

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Operates with Low ESR Ceramic Capacitors in

Voltage Options Available Ranging from 1.8V

Most Applications

to 5.0V with an Ensured Accuracy of ±1% at

•

Over Temperature/Over Current Protection

Room Temperature

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

DESCRIPTION

APPLICATIONS

The LP2966 dual ultra low-dropout (LDO) regulator

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Cellular and Wireless Applications

operates from a +2.70V to +7.0V input supply. Each

output delivers 150mA over full temperature range.

•

Palmtop/Laptop Computer

The IC operates with extremely low drop-out voltage

•

GPS Systems

and quiescent current, which makes it very suitable

•

Flat Panel Displays

for battery powered and portable applications. Each

LDO in the LP2966 has independent shutdown

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Post Regulators

capability.

The

LP2966

provides

low

noise

•

USB Applications

performance with low ground pin current in an

•

Hand Held Equipment and Multimeters

extremely small VSSOP-8 package (refer to package

dimensions and CONNECTION DIAGRAM for more

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Wireless Data Terminals

information on VSSOP-8 package). A wide range of

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Other Battery Powered Applications

preset voltage options are available for each output.

In addition, many more are available upon request

with minimum orders. In all, 256 voltage combinations

are possible.

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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 © 2000–2013, 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.