LTC3550EDHC#TRPBF Dual Input USB/AC Adapter Li-Ion Battery Charger with 600mA Buck Converter; Package: DFN; No of Pins: 16; Temperature Range: -40°C to +125°C
LTC3525ESC6-5#TRM 400mA Micropower Synchronous Step-Up DC/DC Converter with Output Disconnect; Package: SC70; No of Pins: 6; Temperature Range: -40°C to +125°C