Single Stage Flyback and PFC Controller
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- Parameters
- Features
- Description
| Part number |
SY22650SFAP |
| Description |
Single stage Flyback PFC controller, QR |
| Topology |
Flyback |
| Dimming mode |
Non-dimming |
| PF (>) |
0.9 |
| Input type |
120VAC, 230VAC |
| Iout (max) (A) |
|
| Pout (max) (W) |
80 |
| Package |
SO8 |
| Application |
Flyback CV, PFC |
• Secondary Side CC Control Improves Output Current Accuracy
• Primary Side CV Control for Output Overvoltage Protection when Opt-coupler fails.
• Valley Turn-on of the Primary MOSFET to Achieve Low Switching Losses
• Internal High Current MOSFET Driver: 75mA Sourcing and 400mA Sinking
• Power Factor >0.90 with Single-stage Conversion
• Maximum Switching Frequency Limitation 100kHz
• Compact Package: SO8
SY22650S is a single stage Flyback and PFC controller targeting at LED driver applications. The output current accuracy is further improved by the secondary side feedback with opt-coupler. Furthermore, it applies CV control with primary side feedback.
It drives the Flyback converter in the Quasi-Resonant mode for high efficiency and achieves high power factor by constant on time control scheme. Adaptive PWM/PFM control is adopted for highest average efficiency.
Evaluation Board
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Photo of evaluation board
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Photo of evaluation board
The EVB_SY22650SFAP is intended for evaluating AC 120~277V input, 40V/1A output Single Stage Flyback And PFC Controller
