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PT4209 Datasheet Primary Side Offline Led Controller

Manufacturer: PowTech

Overview: Primary Side Offline LED Controller with Active PFC GENERAL.

Datasheet Details

Part number PT4209
Manufacturer PowTech
File Size 669.38 KB
Description Primary Side Offline LED Controller
Datasheet PT4209-PowTech.pdf

General Description

The PT4209 is a flicker-free PWM/analog dimmable, primary side constant current controller which can achieve high power factor in a single stage converter, targeted to applications in solid state lighting.

It is designed for the flyback topology, and regulates output current accurately without the secondary feedback loop.

PT4209 works in quasi-resonant mode to reduce the MOSFET switching loss.

Key Features

  • Constant Current Control Without Secondary Feed back Flicker-free PWM/analog Dimming (10%-100%) Accurate Constant Current Output Quasi-Resonant Mode Operation Ultra-low（10uA）Start Up Current Low Quiescent Current (1mA) VCC Under Voltage Protection Over Voltage Protection by Voltage Holding Cycle by Cycle Current Limit Rcs Open Circuit Protection Transformer Winding Short Circuit Protection Output Open/Short Circuit Pro.

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PT4209 Distributor