LM2704

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SNVS175D – FEBRUARY 2002 – REVISED MAY 2013

LM2704 Micropower Step-up DC/DC Converter with 550mA Peak Current Limit

Check for Samples: LM2704

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FEATURES

DESCRIPTION

The LM2704 is a micropower step-up DC/DC in a

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550mA, 0.7

Ω, Internal Switch

small 5-lead SOT-23 package. A current limited, fixed

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Uses Small Surface Mount Components

off-time control scheme conserves operating current

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Adjustable Output Voltage up to 20V

resulting in high efficiency over a wide range of load

conditions. The 21V switch allows for output voltages

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2.2V to 7V Input Range

as high as 20V. The low 400ns off-time permits the

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Input Undervoltage Lockout

use of tiny, low profile inductors and capacitors to

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0.01µA Shutdown Current

minimize

footprint

and

cost

in

space-conscious

portable applications. The LM2704 is ideal for LCD

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Small 5-Lead SOT-23 Package

panels requiring low current and high efficiency as

well as white LED applications for cellular phone

APPLICATIONS

back-lighting. The LM2704 can drive up to 8 white

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LCD Bias Supplies

LEDs from a single Li-Ion battery.

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White LED Back-Lighting

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Handheld Devices

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Digital Cameras

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Portable Applications

Typical Application Circuit

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PRODUCTION DATA information is current as of publication date.

Copyright © 2002–2013, 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.