Single Stage Buck PFC Regulator For LED Lighting
![]()
- Parameters
- Features
- Description
| Part Number | SY22778YAGC |
|---|
| Description | QR, Buck, accurate OVP, Int. MOS 600V/2.2Ω |
|---|
| Package | DIP8 |
|---|
| Io_max (A) | 0.5 |
|---|
| Input Type | 120Vac,230Vac |
|---|
| Po_max (W) | 35 |
|---|
| PF (>) | 0.9 |
|---|
| Application | AC Buck non-dim |
|---|
- Integrated 600V MOSFET
- Valley Turn-on of the MOSFET to Achieve Low Switching Losses
- Power Factor >0.90 with Single-stage conversion
- Low start up current: 15µA typical
- Quick start up <500ms
- Reliable short LED and Open LED protection
- Power factor >0.90 with single-stage conversion
- RoHS Compliant and Halogen Free
- Compact package: DIP8
The SY22778Y is a single stage Buck PFC controller targeting at LED lighting applications. It integrates a 600V MOSFET to decrease physical volume. It adopts the proprietary control architecture to achieve an accurate regulation of LED current, unity power factor, and quasi-resonant valley turn-on high efficiency operation. It adopts special design to achieve quick start up and reliable protection for safety requirement.
It integrates open/short LED protection and eliminates the need for opto-coupler, thus minimizing the component count and board size.
Evaluation Board
Photo of evaluation board
Photo of evaluation board
The EVB_SY22778YAGC is intended for evaluating AC 90~264V input, 60V/300mA output Buck Regulator For LED Lighting
Similar Products
SY22656FAC
Single Stage Buck PFC Controller For LED Dimming Lighting
SY22636FAC
Single Stage LED driver Dimmable, High PF and Low BOM Cost
SY22793AFAC
Single Stage Boost PFC LED Driver
Dimmable, High PF and Low BOM Cost
