Features

• Voltage Regulator VIN Range: 4.5V to 6V

• Low Cost Power Integration

• Low Standby Current

▪ 170μA (typ) w/ Buck, LDO1, and LDO2 Active,

No Load

• One Step-Down Buck Converter

▪ 1.8V, 300mA Output

▪ 1.5MHz Switching Frequency

▪ Fast Turn-On Time (100μs typ)

• Three LDOs Programmable with I2C

▪ LDO1: 3.3V, 300mA

▪ LDO4: 3.3V, 150mA

▪ LDO5: 3.3V, 150mA

▪ PSRR: 60dB@10kHz

▪ Noise: 50μVrms for LDO3, LDO4, and LDO5

• One Battery Charger

▪ Digitized Thermal Regulation

▪ Charge Current Programming up to 1.4A

▪ Charge Current Termination Programming

▪ Automatic Trickle Charge for Battery Preconditioning

(2.8V Cutoff)

• Adapter OK (ADPP) and Reset (RESET) Timer Outputs

• Separate Enable Pins for Supply Outputs

• Over-Current Protection

• Over-Temperature Protection

• 5x5mm TQFN55-36 Package