The AAT1265 is designed for single-cell or dual-cell alkaline, NiMH, or NiCd or single-cell lithium-ion/polymer (Li-Ion) battery-powered applicaTIons. It is a high efficiency, synchronous, fixed frequency, step-up converter with true output disconnect during shutdown (<1.0μA), start-up inrush current limit, and short-circuit protecTIon.