High Dimming Accuracy Boost Backlight Controller
Combined with 3A Buck Converter
| Part Number | SY22189BFEC |
|---|
| Fsw (MHz) | 0.5 |
|---|
| Dimming Mode | PWM |
|---|
| Channels | 1 |
|---|
| Package | SOP16E |
|---|
| Vin_min (V) | 8 |
|---|
| Vin_max (V) | 16 |
|---|
| Vo_max (V) | |
|---|
| Io_max (A) | 1 |
|---|
| Features / Special Function | Boost LED Driver+ Buck CV+OP |
|---|
| Application | TV Power Backlight |
|---|
- 8~16V input voltage
- Programmable LED current
- PWM dimming control: 200Hz~10kHz
- Analog dimming control: 10kHz ~1MHz
- Dimming function can be achieved with external MOSFET/BJT
- Open/Short LED protection
- Programmable over-voltage protection
- Buck Converter: Low RDS(ON),3A max output
- CTRL pin to control Buck converter power saving mode or not
- 500kHz switching frequency buck converter
- Integrated reference and operational amplifier
- Thermal shut down
- SOP16E package
Evaluation Board
Photo of evaluation board
Photo of evaluation board
Photo of evaluation board
The EVB_SY22189BFEC is intended for evaluating High Dimming Accuracy Boost Backlight Controller Combined with 3A Buck Converter
