Key Features

■ Power supply voltage (VIN) 2.9 V to 5.5 V

■ 4 buck converters

■ Selectable output voltage range for all bucks:

□ 1.5 V to 2.7 V, 20 mV step

□ 0.55 V to 1.9 V, 10 mV step

■ Maximum output current:

□ CH1, CH2, CH3 Bucks: 2.5 A

□ CH4 Buck: 5.0 A

■ Interleaving of switching phases of bucks

■ LDO:

□ VOUT: 1.4 V to 1.9 V, 20 mV step

□ IOUT: 0.1 A (max)

■ Load switch (LSW)

□ RDS_ON: 20 mΩ (typ)

□ Current limit at soft start: 100 mA

□ Current limit: 4 A

■ Protection functions:

□ Over-current protection

□ Over/Under-voltage protection

□ Thermal shutdown protection

■ I2C control interface:

□ Standard mode (100 kbit/s)

□ Fast mode (400 kbit/s)

□ Fast mode+ (1 Mbit/s)

□ High-speed mode (3.4 Mbit/s)