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FL7733A - Primary-Side-Regulated LED Driver

General Description

The FL7733A is a highly-integrated PWM controller with advanced Primary-Side Regulation (PSR) technique to minimize components in low-to-mid-power LED lighting converters.

Key Features

  • Performance.
  • < ±3% Total Constant Current Tolerance Over All Conditions < ±1% Over Universal Line Voltage Variation < ±1% from 50% to 100% Load Voltage Variation < ±1% with ±20% Magnetizing Inductance Variation.
  • Primary-Side Regulation (PSR) Control for Cost- Effective Solution without Requiring Input Bulk Capacitor and Secondary Feedback Circuitry.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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FL7733A — Primary-Side-Regulated LED Driver with Power Factor Correction December 2014 FL7733A Primary-Side-Regulated LED Driver with Power Factor Correction Features Performance  < ±3% Total Constant Current Tolerance Over All Conditions < ±1% Over Universal Line Voltage Variation < ±1% from 50% to 100% Load Voltage Variation < ±1% with ±20% Magnetizing Inductance Variation  Primary-Side Regulation (PSR) Control for Cost- Effective Solution without Requiring Input Bulk Capacitor and Secondary Feedback Circuitry  Application Input Voltage Range: 80 VAC - 308 VAC  High PF of >0.