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Global Mixed-mode Technology Inc.
G5931
Switched Capacitor Voltage Inverter
Features
Inverts Input Supply Voltage 25mA Output Current with a Voltage Drop of
250mV 0.45mA Quiescent Current at 3.3V Supply Voltage 99% Voltage Conversion Efficiency 1.8V to 5V operating range Require Only Two Capacitors Over-Temperature Protection 8-Pin SOP Package
Applications
Cell Phone Small LCD Panels Portable Equipment Handy-Terminals, PDAs Battery-Operated Equipment
General Description
The G5931 is an unregulated charge-pump voltage inverter which may be used to generate a negative supply from positive input. Input voltages ranging from +1.8V to +5V can be inverted into a -1.8V to -5V output supply.