General Description
The FAN5660 is a monolithic charge-pump which can invert, double or split a +1.5V to +5.5V input voltage. Using only two identical low-cost capacitors, the charge pump replaces switching regulators, thus eliminating inductors and their associated cost, size, and EMI. The device has a greater than 90% efficiency over most of its load current range and a typical operating current of only 160µA. The FAN5660 is ideal for both battery-powered and boardlevel voltage conversion applications.

FEATUREs
• Inverts, Doubles or Splits Input Supply Voltage
• 90% Typ Conversion Efficiency at 100mA load current
• 0.5V Typ Loss at 100mA Load
• Low 160µA Operating Current
• 5.0Ω Typ Output Resistance for C1 = C2 = 100µF
• Selectable Oscillator Frequency: 5kHz/50kHz
• 8-pin SOIC package.

APPLICATIONs
• Laptop Computers
• Medical Instruments
• Interface Power Supplies
• Hand-Held Instruments
• Operational-Amplifier Power Supplies