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)