TC1142 Datasheet | Microchip Technology

Features - - - - - - Package Type 8-Pin MSOP VOUT 1 C2- 2 C2+ 3 8 CCLK VIN C1+ GND Inductorless -2x Boost/Buck Regulator Input Range 2.5V to 5.5V Regulated Output Options from -3.0 to -5.0V Output Current 20mA (max) 200kHz Internal Oscillator Frequency External Synchronizing Clock Input Logic Level Shutdown - 1µA (max) Supply Current - Available in 8-Pin MSOP Package 7 6 5 C1- 4 Applications - Cellular Phones - Battery Powered/Portable Equipment General Description The TC1142 generates a regulated negative voltage from -3V to -5V at 20mA from an input of 2.5V to 5.5V, using only three external capacitors. Other boost/buck switching regulators must use an inductor,...