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.
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|Vin (Min) (V)|
|Vin (Max) (V)|
|Vout (Min) (V)|
|Iout (Max) (A)|
|Regulated Outputs (#)|
|Switching Frequency (Min) (kHz)|
|Iq (Typ) (mA)|
|Operating Temperature Range (C)|
|-40 to 85|
PDIP | 8
SOIC | 8