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FAN5660IM
CMOS Monolithic Voltage Converter
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.
ApplicationsLaptop Computers
Medical Instruments
Interface Power Supplies
Hand-Held Instruments
Operational-Amplifier Power Supplies
General DescriptionThe 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 board-
level voltage conversion applications.
In order to enable the user optimize capacitor size and
quiescent current, the FAN5660 is offered with a frequency
control (FC) pin which selects either 5kHz or 50kHz
operation.
The Oscillator frequency can also be driven with an external
clock. The FAN5660 is available in 8-pin small-outline
packages.
