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Switched Capacitor Voltage Converter


Package | PIN: D | 8
Temp: I (-40 to 85)
Carrier: Cut Tape
Qty Price
1-9 $1.01
10-24 $0.91
25-99 $0.84
100-249 $0.72
250-499 $0.66
500-749 $0.54
750-999 $0.43
1000+ $0.39


  • 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

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Texas Instruments  LMC7660IMX/NOPB

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.