LM3447 - Primary Side Power Regulated PFC Flyback Controller

Product Overview

Texas Instruments

Datasheet Details

Part number	LM3447
Manufacturer	Texas Instruments
File Size	548.54 KB
Description	Primary Side Power Regulated PFC Flyback Controller
Datasheet	LM3447 Datasheet
Additional preview pages of the LM3447 datasheet.

Product details

Description

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.

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 Scheme with Improved Line Regulation.
Constant Power Operation of LEDs to Compensate for Forward Voltage Variations Over Temperature and Lifetime.
Fixed Frequency Discontinuous Conduct.

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Published: Apr 8, 2020 |