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FL77905 Datasheet Analog / PWM / Phase-cut Dimmable Compact LED Direct AC Driver

Manufacturer: Fairchild (now onsemi)

Overview: FL77905 — Analog / PWM / Phase-cut Dimmable Compact LED Direct AC Driver July 2016 FL77905 Analog / PWM / Phase-cut Dimmable Compact LED Direct AC.

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General Description

The FL77905 is a direct AC line LED driver with minimal number of external RC passive components.

In normal configuration, one resistor is to adjust LED power, and one capacitor is to provide a stable voltage to an internal biasing shunt regulator.

The FL77905 provides phase-cut dimming with wide dimming range, smooth dimming control and good dimmer compatibility.

Key Features

  • The simplest Direct AC LED Driver with Only Two External RC Passive Components.
  • Wide AC Input Range : 90~305 VAC.
  • Three Integrated High-Voltage LED Constant Current Sinks of up to 75 mA (RMS) Capability.
  • TRIAC Dimmable (Leading/Trailing Edge).
  • Rheostat Dimmable.
  • Analog/Digital PWM Dimming Function.
  • High Power Factor (above 0.98 in normal configuration).
  • Adjustable LED Power with an External Current Sense Resistor.
  • Low Harmonic Content (THD under 20%.

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