LED Driver, Non-Isolated PFC Buck

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Overview

The FL7701 LED lamp driver is a simple IC with PFC function. The special “adopted digital” technique of the IC can automatically detect input voltage condition and send an internal reference signal for achieving high power factor. When AC input is applied to the IC, PFC function is automatically enabled. Otherwise, when DC input is applied to the IC, PFC function is automatically disabled. The FL7701 does not need a bulk capacitor (electrolytic capacitor) for supply rail stability, which can significantly affect LED lamp system lifetime.

  • Lighting
  • Digitally Implemented Active PFC Function (No Additional Circuit Necessary for High PF)
  • Built-in HV Supplying Circuit: Self Biasing
  • AOCP Function with Auto-Restart Mode
  • Built-in Over-Temperature Protection Function
  • Cycle-by-Cycle Current Limit
  • Current-Sense Pin Open Protection
  • Low Operating Current: 0.85mA (Typical)
  • Under-Voltage Lockout with 5V Hysteresis
  • Programmable Oscillation Frequency
  • Programmable LED Current
  • Analog Dimming Function
  • Soft-Start Function
  • Precise Internal Reference: ±3%
  • Retrofit E11/E14/E17/E26/E27, MR, and PAR Lamps
  • Replacement of Incandescent, CFL, and Linear Lamps using SMPS
  • Ornament, Interior Light, and Panel Lighting

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FL7701MX

Active

Pb

A

H

P

SOIC-8

1

260

REEL

2500

Y

Non Isolation PFC Buck

17

500

17 VGATE

250/250 - Source/Sink

Variable

$0.3631

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