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SC440 - High Effi ciency Integrated Driver

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.

Features

  • Wide input range 4.5V to 21V 36V 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 www. DataSheet4U. com.
  • 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.

📥 Download Datasheet

Datasheet preview – SC440

Datasheet Details

Part number SC440
Manufacturer Semtech Corporation
File Size 90.98 KB
Description High Effi ciency Integrated Driver
Datasheet download datasheet SC440 Datasheet
Additional preview pages of the SC440 datasheet.

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Full PDF Text Transcription

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SC440 High Efficiency Integrated Driver for 6-Strings of 30mA LEDs POWER MANAGEMENT Features Wide input range 4.5V to 21V 36V 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 www.DataSheet4U.com „ 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 „ <1uA shut-down current „ Thermal protection „ 4mm x 4mm x1mm MLPQ-24 package (WEEE & RoHS compliant) „ „ Description The SC440 is a high-efficiency multiple string WLED driver with an integrated boost converter.
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