FEATURES • Switched Capacitor Voltage Converters with Shutdown in SOT Packages • Charge Pumps in 6-Pin SOT-23A Package • >95% Voltage Conversion Efficiency • Voltage Inversion and/or Doubling • Operates from +2.5V to +5.5V • Up to 25mA Output Current • Only Two External Capacitors Required • Low Power Consumption • Power-Saving Shutdown Mode • TC1220 Compatible with 1.8V Logic Systems Applications • LCD Panel Bias • Cellular Phones • Pagers • PDAs, Portable Dataloggers • Battery-Powered Devices