LTC3525D-3.3 PDF File ( Datasheet )

LTC3525D-3.3 400mA Micropower Synchronous Step-Up DC, DC Converter with Pass Through Mode Features n VOUT Connected to VIN in Shutdown n Up to 95% Efficiency n 0.85V Minimum Input Start-Up Voltage n Fixed Output Voltage of 3.3V n Delivers 60mA at 3.3V from a 1V Input, or 140mA at 3.3V from a 1.8V Input n Burst Mode® Operation: IQ = 7 A n VIN Range: 0.5V to 4.5V n Only Three External Components n VIN > VOUT Operation n Anti-Ringing Control n Short-Circuit and Overtemperature Protection