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SC441 - High Effi ciency Integrated Driver

Description

The SC441 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 forty WLEDs in 4 strings with current up to 150mA per string.

Features

  • Wide input voltage range from 4.5V to 21V.
  • 36V maximum output voltage.
  • Drives up to 40 WLEDs in 4 strings.
  • Programmable LED current for up to 150mA per string.
  • +/- 2% string-to-string current matching.
  • Up to 90% efficiency.
  • Wide 0.2% to 100% PWM dimming range www. DataSheet4U. com.
  • Possible analog dimming.
  • Integrated 2.5A power switch.
  • 800kHz switching frequency for small size.
  • Adjustable OVP for cost-effecti.

📥 Download Datasheet

Datasheet Details

Part number SC441
Manufacturer SEMTECH
File Size 95.08 KB
Description High Effi ciency Integrated Driver
Datasheet download datasheet SC441 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
SC441 High Efficiency Integrated Driver for 4-Strings of 150mA LEDs POWER MANAGEMENT Features Wide input voltage range from 4.5V to 21V „ 36V maximum output voltage „ Drives up to 40 WLEDs in 4 strings „ Programmable LED current for up to 150mA per string „ +/- 2% string-to-string current matching „ Up to 90% efficiency „ Wide 0.2% to 100% PWM dimming range www.DataSheet4U.com „ Possible analog dimming „ Integrated 2.5A power switch „ 800kHz switching frequency for small size „ Adjustable OVP for cost-effective output cap selection „ Open/short LED protection „ Thermal protection with auto-recovery „ Thermally enhanced TSSOP-20 EDP package „ Fully WEEE and RoHS compliant „ Description The SC441 is a high-efficiency multiple string WLED driver with an integrated boost converter.
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