Power a Digital Still Camera with 2AA Batteries and a Single Integrated Power Supply

Power a Digital Still Camera with 2AA Batteries and a Single Integrated Power Supply. This application note explains how an integrated power supply and 2AA cells power a digital still camera (DSC) or video camera. The MAX1802 step-down power supply powers all the system blocks in a DSC. Using this single integrated power supply reduces component count and space in DSC or video camera designs