Datasheet Details
| Part number | SC441 |
|---|---|
| Manufacturer | SEMTECH |
| File Size | 95.08 KB |
| Description | High Effi ciency Integrated Driver |
| Datasheet |
 SC441 Datasheet
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General Description
The SC441 is a high-efficiency multiple string WLED driver with an integrated boost converter.
It operates over a wide input range from 4.5V to 21V with a maximum output voltage of 36V and a 2.5A internal power switch.
It can drive up to forty WLEDs in 4 strings with current up to 150mA per string.
Key Features
- Wide input voltage range from 4.5V to 21V.
- 36V maximum output voltage.
- Drives up to 40 WLEDs in 4 strings.
- Programmable LED current for up to 150mA per string.
- +/- 2% string-to-string current matching.
- Up to 90% efficiency.
- Wide 0.2% to 100% PWM dimming range www. DataSheet4U. com.
- Possible analog dimming.
- Integrated 2.5A power switch.
- 800kHz switching frequency for small size.
- Adjustable OVP for cost-effecti.