STOD03B
150 mA dual DC-DC converter with LDO for powering AMOLED displays
Features
■ Step-up with LDO and inverter converters ■ Operating input voltage range from 2.
3 V to
4.
8 V ■ Synchronous rectification for both DC-DC
converters ■ Minimum 150 mA output current ■ LDO post
regulator for 4.
6 V fixed positive
output to provide line and load transient response with minimum output voltage ripple ■ Programmable negative voltage by SWIRE from - 2.
4 V to -5.
4 V at 100 mV steps ■ Typical efficiency: 82% ■ Pulse skipping mode in light load condition ■ 1.
5 MHz PWM mode control switching frequency ■ Enable pin for shutdown mode ■ Low quiescent current in shutdown mode ■ Soft-start with inrush curren...