应用功能：功率因数控制器芯片 The MC34262/MC33262 are active power factor controllers specifically designed for use as a preconverter in electronic ballast and in off–line power converter applications. These integrated circuits feature an internal startup timer for stand–alone applications, a one quadrant multiplier for near unity power factor, zero current detector to ensure critical conduction operation,transconductance error amplifier, quickstart circuit for enhanced startup,
