CAT661 inverter/doubler equivalent, high frequency 100ma cmos charge pump / inverter/doubler.
s Converts V+ to V- or V+ to 2V+ s Low output resistance, 10Ω max. s High power efficiency s Selectable charge pump frequency of 25kHz
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s Negative voltage generator s Voltage doubler s Voltage splitter s Low EMI power source s GaAs FET biasing s Lithium ba.
The CAT661 is a charge-pump voltage converter. It can invert a positive input voltage to a negative output. Only two external capacitors are needed. With a guaranteed 100mA output current capability, the CAT661 can replace a switching regulator and i.
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