LM2765 Datasheet - National Semiconductor

LM2765 Switched Capacitor Voltage Converter

The LM2765 CMOS charge-pump voltage converter operates as a voltage doubler for an input voltage in the range of +1.8V to +5.5V. Two low cost capacitors and a diode are used in this circuit to provide up to 20 mA of output current. The LM2765 operates at 50 kHz switching frequency to reduce output r.

LM2765 Features

* n n n n n Doubles Input Supply Voltage SOT23-6 Package 20Ω Typical Output Impedance 90% Typical Conversion Efficiency at 20 mA 0.1µA Typical Shutdown Current Applications n n n n n n Cellular Phones Pagers PDAs Operational Amplifier Power Supplies Interface Power Supplies Handheld Instruments Basi

LM2765_NationalSemiconductor.pdf