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CMOS Switched-Capacitor Voltage Converters
ADM660/ADM8660
FEATURES ADM660: Inverts or Doubles Input Supply Voltage ADM8660: Inverts Input Supply Voltage 100 mA Output Current Shutdown Function (ADM8660) 2.2 F or 10 F Capacitors 0.3 V Drop at 30 mA Load +1.5 V to +7 V Supply Low Power CMOS: 600 A Quiescent Current Selectable Charge Pump Frequency (25 kHz/120 kHz) Pin Compatible Upgrade for MAX660, MAX665, ICL7660 Available in 16-Lead TSSOP Package
APPLICATIONS Handheld Instruments Portable Computers Remote Data Acquisition Op Amp Power Supplies
GENERAL DESCRIPTION The ADM660/ADM8660 is a charge-pump voltage converter that can be used to either invert the input supply voltage giving VOUT = –VIN or double it (ADM660 only) giving VOUT = 2 ϫ VIN.
Input voltages ranging from +1.