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AL1677 Universal LED Driver Converter

By Diodes Incorporated 67

AL1677 Universal LED Driver Converter

Diodes' AL1677 is a universal AC input (85 VAC to 277 VAC), high-efficiency and high-accuracy buck LED driver converter. The topology provides accurate constant current (CC) line and load regulation, operating at boundary conduction mode (BCM) to assist EMI/EMC qualification and testing to meet the latest regulatory laws.

AL1677 system replaces the auxiliary winding and external high-voltage MOSFET with a few external components to create a low bill of materials (BOM) cost solution.

It has comprehensive protection features to improve the system safety and reliability. The thermal fold-back function reduces the output current when the driver’s temperature is higher than the setting value. The AL1677 is available in SO-8 package.

Features
  • Single inductance
    • Extremely low BOM cost solution
  • Built-in UVLO, OTP, LED short, and LED open protection
    • Provides a complete protection solution
  • Built-in thermal fold-back function
    • Improves the system’s reliability at the high ambient temperature
  • Boundary conduction mode (BCM) operation
    • Achieves higher convert efficiency and reduced EMI issues with fewer components
  • Good line and load regulation
    • One solution can meet full load and universal input voltage application
Applications
  • Retrofit LED lamps
  • High-voltage DC-DC LED drivers
  • General purpose constant current source

nuevos productos:

AL1677-05BS-13AL1677-08BS-13AL1677-10BS-13AL1677-20BS-13

Etiquetas:

Power ManagementSemiconductors & Dev ToolsDiodes Incorporated

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