DC/DC Buck Controller
for LED Dimming Lighting
- Parameters
- Features
- Description
| Part number | SY5881VFAC |
|---|
| Description | CC, buck controller, PWM/analog dimming, 2% |
|---|
| Topology | Buck |
|---|
| Dimming mode | Analog, PWM |
|---|
| PF (>) | 0.5 |
|---|
| Input type | 40 to 400VDC |
|---|
| Iout (max) (A) | |
|---|
| Pout (max) (W) | 500 |
|---|
| Package | |
|---|
| Application | Buck, PWM/Analog dimming |
|---|
- Linear dimming curve
- Dimming Range from 2.5% to 100.0%
- CV mode for Bias supply when PWM=0%
- Valley turn-on to achieve low switching losses
- Single winding inductor with floating topology
- 200mA sourcing current and 600mA sinking current drive capability
- Low start up current: 34μA typical
- Reliable short LED and Open LED protection
- Reliable short ISEN resistor protection
- Compact package: SO8
The SY5881V is a DC/DC Buck controller targeting at LED lighting applications with analog dimming. It adopts the proprietary control architecture to achieve an accurate regulation of LED current and Quasi-Resonant valley turn-on high efficiency operation.
Evaluation Board
Photo of evaluation board
Photo of evaluation board
The EVB_SY5881VFAC is intended for evaluating DC/DC Buck Controller for LED Dimming Lighting
