Dual 3 MHz, 1200 mA Buck Regulators with One 300 mA LDO Features: Main input voltage range: 2.3 V to 5.5 V Two 1200 mA buck regulators and one 300 mA LDO 24-lead, 4 mm × 4 mm LFCSP package Regulator accuracy: ±1.8% Factory programmable or external adjustable VOUTx 3 MHz buck operation with forced PWM and automatic PWM/PSM modes BUCK1/BUCK2: output voltage range from 0.8 V to 3.8 V LDO: output voltage range from 0.8 V to 4.75 V LDO: low input supply voltage from 1.7 V to 5.5 V LDO: high PSRR and low output noise