High Efficiency Step-Up/Step-Down Charging of Two Series Supercapacitors
Automatic Cell Balancing Prevents Capacitor Overvoltage During Charging
Programmable Charging Current Up to 500mA (Single Inductor), 1A (Dual Inductor)
VIN = 2.7V to 5.5V
Selectable 2.4V/2.65V Regulation per Cell (LTC3625)
Selectable 2V/2.25V Regulation per Cell (LTC3625-1)
Low No-Load Quiescent Current: 23μA
IVOUT, IVIN < 1μA in Shutdown
Low Profile 12-lead 3mm × 4mm DFN Package