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Input voltageregulation is obtainedbytransferring chargefrom the input to VSTOR onlywhenthe input voltageis higherthan the voltageonpinVREF_SAMP.Thecurrentthrough the inductor is controlledthrough internal currentsensecircuitry.Thepeakcurrentin the inductor is ditheredinternally to set levels to maintainhighefficiencyofthe converteracrossawideinput currentrange. Theconverternominally transfers upto aaverageof100mAofinput current. Theboostconverter is disabledwhenthe voltageon VSTORreaches the OVconditionto protectthe batteryconnectedatVBATfrom overcharging.
