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LMC7660 - Switched Capacitor Voltage Converter

General 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.

Key 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. Features n Operation over full temperature and voltage range without an external diode n Low supply current, 200 µA max n Pin-for-pin replacement for the 7660 n Wide operating range 1.5V to 10V n 97% Voltage Conversion Efficiency n 95% Po.

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The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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LMC7660 Switched Capacitor Voltage Converter April 1997 LMC7660 Switched Capacitor Voltage Converter General 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.