A quasi-resonant isolated flyback is employed to charge two lead-acid battery elements, starting from high-line mains. The converter accepts two external signals (referred to secondary side) to provide the reference voltages, which set output voltage and current. The converter shows good wide-range (...)
主要特色
Low cost, low EMI isolated flyback converter thanks to valley switching
Compact solution (small footprint: only 60mm x 60mm) supplies 64W maximum with almost flat efficiency (78%...89%) from 0.1A to 2A
Employs a depletion-mode startup FET to further reduce standby lossses
