SC440 Description
The SC440 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 36V output voltage in 6 strings with current up to 30mA per string.
SC440 Key Features
- Drives up to 60 WLEDs in 6 strings
- Programmable WLED current for up to 30mA per string
- 1% string-to-string current matching
- 2.5A integrated power switch
- Up to 91% efficiency
- 0.2% to 100% PWM dimming
- Analog dimming
- 800KHz switching frequency for small external ponent
- Open/short LED protection
- Short LED protection disable