AN2952 35瓦电子镇流器，HID灯

AN2952 35瓦电子镇流器，HID灯

AN2952
Application note

35 W electronic ballast for HID lamps

Introduction
Low-power metal halide lamps are becoming popular as lighting sources in indoor
environments like shopping centers or malls, serving as alternatives to more traditional
halogen lamps, thanks to their intrinsic higher efficiency, longer lifetime and optimal color
rendering. Until now, electronic circuits supplying HID lamps made use of microcontrollers
and complicated topologies. Generally four power switches are used in full-bridge topology,
two of w