LTC3523-2
Overview
Dual High Efficiency DC/DC Converters: Step-Up (VOUT = 1.8V to 5.25V, ISW = 600mA) Step-Down (VOUT = 0.615V to 5.5V, IOUT = 400mA) 1.8V to 5.5V Input Voltage Range Up to 94% Efficiency Pin Selectable Burst Mode® Operation 45μA Quiescent Current in Burst Mode Operation 1.2MHz (LTC3523) or 2.4MHz (LTC3523-2) Switching Frequency Independent Power Good Indicator Outputs Integrated Soft-Start Thermal and Overcurrent Protection <3μA Quiescent Current in Shutdown Small 16-Lead 3mm × 3mm × 0.75mm QFN Package.