Microchip TC7660SEOA713, 1-Channel, Charge Pump DC-DC Converter, 20mA 8-Pin, SOIC

The Microchip TC7660S series is a pin-compatible upgrade to the Industry standard TC7660 charge pump voltage converter. It converts a +1.5V to +12V input to a corresponding -1.5V to -12V output using only two low-cost capacitors, eliminating inductors and their associated cost, size and EMI. Added features include an extended supply range to 12V, and a frequency boost pin for higher operating frequency, allowing the use of smaller external capacitors. The on-board oscillator operates at a nominal frequency of 10kHz. Frequency is increased to 45kHz when pin 1 is connected to V+.

Oscillator boost from 10kHz to 45kHz
Converts +5V logic supply to ±5V System
Efficient voltage conversion
Excellent power efficiency
No external diode required for high voltage operation

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