• Part: SC440
  • Manufacturer: SEMTECH
  • Size: 90.98 KB
Download SC440 Datasheet PDF
SC440 datasheet preview

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

Related SEMTECH Datasheets

Part Number Description
SC440A High Efficiency Integrated Driver
SC441 High Effi ciency Integrated Driver
SC441A High Efficiency Integrated Driver
SC4431 SHUNT REGULATOR WITH OPEN COLLECTOR OR OUTPUT
SC4040 PRECISION SHUNT VOLTAGE REFERENCE

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.