LM3447 Datasheet (Texas Instruments) - Primary Side Power Regulated PFC Flyback Controller

LM3447, Primary Side Power Regulated PFC Flyback Controller

The LM3447 is a versatile power factor correction (PFC) controller designed to meet the performance requirements of residential and commercial phase-cut dimmer compatible LED lamp drivers.

The device incorporates a phase decoder circuit and an adjustable hold current circuit to provide smooth, flick

LM3447 Features

* 1

* Integrated Phase Angle Decode

* Leading and Trailing Edge Compatible

* Over 50:1 Dimming Range

* Power Factor Correction with Low Total Harmonic Distortion

* Primary Side Control Using Input Voltage Feedforward Technique

* Input Power Regulation Sc