Description
www.DataSheet4U.com MC34261, MC33261 Power Factor Controllers The MC34261/MC33261 are active power factor controllers specifically designed for use a.
Introduction Most electronic ballasts and switching power supplies use a bridge rectifier and a filter capacitor to derive raw dc voltage from the uti.
Features
* consisting of input undervoltage lockout with hysteresis, cycle
* by
* cycle current limiting, and a latch for single pulse metering. These devices are available in dual
* in
* line and surface mount plastic packages.
* Internal Startup Timer
* One Quadrant Mu