Description

20V 1A Buck DC/DC with Integrated SCAP Charger and Backup Regulator Features:VIN Voltage Range: 3V to 20VVOUT Voltage Range: 2.7V to 5V1A Current Mode Buck Main Regulator5A Boost Backup Regulator Powered from Single SupercapacitorBoost Regulator Operates Down to 0.5V for Maximum Utilization of Supercapacitor EnergyProgrammable Supercapacitor Charge Current to 1A with Overvoltage ProtectionCharger Supports Single Cell CC/CV Battery ChargingProgrammable VIN Current LimitProgrammable Boost Current LimitVIN Power Fail IndicatorVCAP Power Good IndicatorVOUT Power On Reset OutputCompact 20-Lead 4mm × 4mm QFN Package