Part SC440
Description High Effi ciency Integrated Driver
Manufacturer SEMTECH
Size 90.98 KB
SEMTECH

SC440 Overview

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.

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 component
  • Open/short LED protection
  • Short LED protection disable