SY5802 Datasheet - Silergy

SY5802, Single Stage Flyback And PFC Controller

SY5802 Single Stage Flyback And PFC Controller With Primary Side Control For LED Lighting and PWM Dimming or Analog Dimming device option Preliminary .
The SY5802 is a single stage Flyback and PFC controller targeting at LED lighting applications with PWM/Analog dimming.

SY5802-Silergy.pdf

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Datasheet Details

Part number:

SY5802

Manufacturer:

Silergy

File Size:

202.74 KB

Description:

Single Stage Flyback And PFC Controller

Features

* Primary side control eliminates the opto-coupler.
* PWM or Analog Dimming.
* Valley turn-on of the primary MOSFET to achieve low switching losses
* 0.3V primary current sense reference voltage leads to

Applications

* with PWM/Analog dimming. It is a primary side controller without applying any secondary feedback circuit for low cost, and drives the Flyback converter in the quasiresonant mode to achieve higher efficiency. It keeps the Flyback converter in constant on time operation to achieve high power factor. O

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