LED Drivers
  • SC668
    • 8 LED Light Management Unit Automatic Dropout Prevention , Ambient Light Sense Input, PWM Dimming, and 4 LDOs
  • SC667
    • 7 LED Light Management Unit Automatic Dropout Prevention, Ambient Light Sense Input, PWM Dimming, and 4 LDOs
  • SC662
    • Backlight Driver for 6 LEDs with SemPulse® Interface
  • SC657
    • Charge Pump LED Driver for 5BL + SemPulse Interface
  • SC653
    • Charge Pump LED Driver for 4BL + 2LDO + SemPulse Interface
  • SC5010H
    • High Efficiency 8-Channel LED Driver with I2C Interface and Phase-Shifted PWM Dimming
  • SC5010
    • High Efficiency 8-Channel LED Driver with I2C Interface and Phase-Shifted PWM Dimming
  • SC4541
    • High Frequency LED Driver with Integrated Schottky and Simple Interconnect
Semtech SC440

Semtech SC440

High Effi ciency Integrated Driver for 6-Strings of 30mA LEDs

Not Recommended for New Designs - see SC440A

Features


  • Wide input range 4.5V to 21V
  • 40V maximum output voltage with adjustable OVP for smaller output capacitor
  • Drives up to 60 WLEDs in 6 strings
  • Programmable WLED current for up to 30mA per string
  • 1% string-to-string current matching
  • 2A integrated power switch
  • Up to 91% efficiency
  • 4mm x 4mm x1mm MLPQ-24 package (WEEE & RoHS compliant)

Applications


  • Medium-sized LCD panel
  • Notebook Display
  • White LED Power Supplies
  • Sub-Notebook and Tablet Computer Displays
  • Portable Media Players
  • LCD Monitors
  • Digital Video Cameras

Packaging

Order Codes