LMC7660

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SNOSBZ9C – APRIL 1997 – REVISED APRIL 2013

LMC7660 Switched Capacitor Voltage Converter

Check for Samples: LMC7660

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FEATURES

DESCRIPTION

The LMC7660 is a CMOS voltage converter capable

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Operation Over Full Temperature and Voltage

of converting a positive voltage in the range of +1.5V

Range without an External Diode

to +10V to the corresponding negative voltage of

•

Low Supply Current, 200

μA Max

−1.5V to −10V. The LMC7660 is a pin-for-pin

•

Pin-for-pin Replacement for the 7660

replacement for the industry-standard 7660. The

converter features: operation over full temperature

•

Wide Operating Range 1.5V to 10V

and voltage range without need for an external diode,

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97% Voltage Conversion Efficiency

low quiescent current, and high power efficiency.

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95% Power Conversion Efficiency

The LMC7660 uses its built-in oscillator to switch 4

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Easy to Use, Only 2 External Components

power MOS switches and charge two inexpensive

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Extended Temperature Range

electrolytic capacitors.

Block Diagram

Pin Configuration

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PRODUCTION DATA information is current as of publication date.

Copyright © 1997–2013, 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.