SP682
Corporation
Micro Power Inverting Charge Pump
■ Low Power
Voltage Conversion ■ +2.
4V to +5.
5V Input Range ■ 99%
Voltage Conversion Efficiency ■ Typical 60µA Supply Current ■ Requires Only Three External
Capacitors ■ Includes Low Power Shutdown Option ■ Ideal in Portable Applications Such As Handheld Instruments Cellular Phones Personal Digital Assistants Laptops and Notebooks ■ Pin Compatible Upgrade to Microchip's TC682
C1- 1 C2+ 2 C2- 3 VOUT 4
8 SD
SP682
8 Pin MSOP
7 C1+ 6 VCC 5 GND
APPLICATIONS ■ LCD Display ■ Negative bias supply for op amps ■ Serial interface protocol circuits DESCRIPTION
The SP682 is a monolithic charge pump
voltage converter that produces a doubled, negativ...