LP3879

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SNVS396B – MAY 2006 – REVISED APRIL 2013

LP3879 Micropower 800mA Low Noise "Ceramic Stable" Voltage Regulator for Low

Voltage Applications

Check for Samples: LP3879

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FEATURES

DESCRIPTION

The LP3879 is a 800 mA fixed-output voltage

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Standard Output Voltage: 1.00V, 1.20V

regulator designed to provide high performance and

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Custom Voltages Available from 1.0V to 1.2V

low noise in applications requiring output voltages

(50 mV Increments)

between 1.0V and 1.2V.

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Input Voltage: 2.5 to 6V

Using an optimized VIP (Vertically Integrated PNP)

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1% Initial Output Accuracy

process, the LP3879 delivers superior performance:

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Designed for Use with Low ESR Ceramic

Ground Pin Current: Typically 5.5 mA @ 800 mA

Capacitors

load, and 200 µA @ 100 µA load.

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Very Low Output Noise

Low Power Shutdown: The LP3879 draws less than

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Sense Option Improves Load Regulation

10

μA quiescent current when shutdown pin is pulled

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8-Lead SO PowerPad and WSON Surface

low.

Mount Packages

Precision Output: Ensured output voltage accuracy

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<10

μA Quiescent Current in Shutdown

is 1% at room temperature.

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Low Ground Pin Current at all Loads

Low Noise: Broadband output noise is only 18

μV

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High Peak Current Capability

(typical) with 10 nF bypass capacitor.

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Over-Temperature/Over-Current Protection

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

APPLICATIONS

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ASIC Power Supplies In:

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Desktops, Notebooks and Graphic Cards

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Set Top Boxes, Printers and Copiers

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DSP and FPGA Power Supplies

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SMPS Post-Regulator

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Medical Instrumentation

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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 © 2006–2013, 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.