Description

Dual 3 MHz, 800 mA Buck Regulators with Two 300 mA LDOs Features: Main input voltage range: 2.3 V to 5.5 V Two 800 mA buck regulators and two 300 mA LDOs 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 auto PWM/PSM modes BUCK1/BUCK2: output voltage range from 0.8 V to 3.8 V LDO1/LDO2: output voltage range from 0.8 V to 5.2 V LDO1/LDO2: low input supply voltage from 1.7 V to 5.5 V LDO1/LDO2: high PSRR and low output noise