Key Features

■ 4.5 V to 11.5 V input range

■ Input current sense with circuit breaker

□ +/- 1 accuracy monitoring

■ Programmable internal switching frequency

□ 1.0 MHz, 1.5 MHz, 2.0 MHz, and 3.0 MHz

□ +/- 2 accuracy

■ External sync clock input

□ 1.5 MHz to 3 MHz range

■ Programmable sequencing and soft-start

■ 2 Always-on LDOs with integrated load

switches

■ 2 Integrated buck converters

■ 1 Integrated BuckBoost converter

■ 1 High current buck controller

■ 2 Load switch controllers

■ 2 External LDO monitors

■ Power Good flag

■ Global enable input

■ Smallest total solution size

■ 2.975 mm x 3.375 mm WLCSP package

MHz

■ CH1: BuckBoost regulator

□ 700 mA max

□ 5.1 V to 5.8 V output range

■ CH2: Buck regulator

□ 2.2A max

□ 3.0 V to 4.55 V output range

■ CH3: Buck controller

□ Synchronous NFET drivers

□ 3.0 V to 3.75 V output range

■ CH4: Buck regulator

□ 600 mA max

□ 3.2 V to 4.2 V output range

■ LDO1: 300 mA, always-on

■ LDO2: 200 mA, always-on

■ Protection features on each channel

□ Current limit

□ Short circuit

□ Over-voltage

□ Output discharge