High Dimming Accuracy Boost Backlight Controller
Combined with 3A Buck Converter
Part Number | SY22189BFEC |
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Fsw (MHz) | 0.5 |
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Dimming Mode | PWM |
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Channels | 1 |
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Package | SOP16E |
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Vin_min (V) | 8 |
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Vin_max (V) | 16 |
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Vo_max (V) | |
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Io_max (A) | 1 |
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Features / Special Function | Boost LED Driver+ Buck CV+OP |
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Application | TV Power Backlight |
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- 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