Flyback Regulator For LED Lighting
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- Parameters
- Features
- Description
| Part Number | SY22747AGC |
|---|
| Description | Self-Bias, QR, Buck-Boost/Flyback,4 Drain, no aux winding, Int. MOS 650V/2.8Ω |
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| Package | DIP8 |
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| Io_max (A) | |
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| Input Type | 400Vdc |
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| Po_max (W) | 50 |
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| PF (>) | 0.5 |
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| Application | AC Flyback non-dim |
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- Integrated 650V MOSFET
- Quasi-Resonant (QR) Mode to Achieve Low Switching Losses
- No Opto-coupler or Auxiliary Winding for Feedback in the Proprietary Floating Switch Configuration.
- Reliable Short LED and Open LED Protection
- Thermal Foldback Function
- RoHS Compliant and Halogen Free
- Compact Package: DIP8
SY22747 is a single stage Flyback regulator targeting at LED lighting applications.
SY22747 integrates a 650V MOSFET to decrease physical volume. It adopts the proprietary control architecture to achieve an accurate regulation of LED current, Quasi-Resonant valley turn-on for high efficiency operation. Proprietary self-bias technique saves the bias supply and reduces the start up time.
SY22747 integrates open/short LED protection and eliminates the need for opto-coupler or auxiliary winding (in floating switch application), thus minimizing the component count and board size.
Evaluation Board
Photo of evaluation board
Photo of evaluation board
The EVB_SY22747CAGC is intended for evaluating AC 400V input, 40V/1.05A output Flyback Regulator For LED Lighting
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