RT7304 Datasheet - Richtek

RT7304, Primary-Side-Regulation LED Driver Controller

® RT7304 Primary-Side-Regulation LED Driver Controller with Active PFC General .
The RT7304 is a constant current LED driver with active power factor correction.

Features

* Tight LED Current Regulation
* No Opto-Coupler and TL431 Required
* Power Factor Correction (PFC)
* Quasi-Resonant
* Maximum/Minimum Switching Frequency Clamping
* Maximum/Minimum On-Time Limitation
* Wide VDD Voltage Range (up to 25V)
* Multiple Protection Features

Applications

* AC/DC LED Lighting driver Simplified Application Circuit Flyback Converter Buck-Boost Converter Line Neutral BD CSIN RST RT7304 GD VDD CS RG RPC CVDD CCOMP COMP GND ZCD DAUX TX1 DOUT VOUT+ COUT Line VOUTQ1 Neutral RCS RZCD2 RZCD1 BD CSIN RST RT7304 GD VDD CS RG RPC C

RT7304-Richtek.pdf