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1FEATURES

2? Operation Over Full Temperature and Voltage

Range without an External Diode

? Low Supply Current, 200 μA Max

? Pin-for-pin Replacement for the 7660

? Wide Operating Range 1.5V to 10V

? 97% Voltage Conversion Efficiency

? 95% Power Conversion Efficiency

? Easy to Use, Only 2 External Components

? Extended Temperature Range

DESCRIPTION

The LMC7660 is a CMOS voltage converter capable

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

to +10V to the corresponding negative voltage of

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

replacement for the industry-standard 7660. The

converter features: operation over full temperature

and voltage range without need for an external diode,

low quiescent current, and high power efficiency.

The LMC7660 uses its built-in oscillator to switch 4

power MOS switches and charge two inexpensive

electrolytic capacitors.