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Diodes Incorporated AL8860 40V 1.5A 降压 LED 驱动器

Diodes Inc. AL8860 40V 1.5A 降压 LED 驱动器是一款磁滞模式直流/直流降压转换器，用于驱动单个或多个串联 LED。 该器件具有 4.5V 至 40V 的宽输入电压范围。驱动器为 TSOT25 封装提供高达 1A 的外部可调输出电流，为 MSOP-8EP 封装提供 1.5A 的外部可调输出电流。 根据电源电压和外部组件的不同，该转换器可提供高达 40W 的输出功率。

特性

  • Low BOM counts
  • 4.5V to 40V wide input voltage range
  • Output current up to 1.5A
  • Internal 40V NDMOS switch
  • Typical 5% output current accuracy
  • Single pin for On/Off and brightness control by DC voltage or PWM signal
  • 5% to 100% recommended analog dimming range
  • Soft-start
  • High efficiency (up to 97%)
  • LED short protection
  • Inherent open-circuit LED protection
  • Over Temperature Protection (OTP)
  • Up to 1MHz switching frequency
  • Pb-free TSOT25 and MSOP-8EP packages

应用

  • LED retrofit for low voltage halogen
  • Low voltage industrial lighting
  • Illuminated signs
  • External driver with multiple channels

Functional Block Diagram

框图 - Diodes Incorporated AL8860 40V 1.5A 降压 LED 驱动器
发布日期: 2016-11-08 | 更新日期: 2022-03-11