HV9985DB1, 3-Channel LED Driver Demo Board

Reference Design using part HV9985QP-G by Microchip Technology

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Circuit Schematic 1 (Sheet 1 of 3)
Circuit Schematic 2 (Sheet 2 of 3)
Circuit Schematic 3 (Sheet 3 of 3)
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Manufacturer

Microchip Technology
  • Application Category
    Lighting
  • Product Type
    General LED Driver

For End Products

  • LED Backlighting

Description

  • HV9985DB1, Demo Board is a three channel boost LED driver using HV9985 LED Driver IC. The LED driver can be used to drive RGB or multi-channel white LEDs from a 24V input at 300mA LED current. The demo board has good current matching between strings and a good PWM dimming response making it ideal for LED backlight applications. The typical full load efficiency of the LED driver is 94%

Key Features

  • Input Voltage
    22 to 26 V
  • Output Voltage
    50 to 80 V
  • Output Current
    0.3 A

Featured Parts (1)

Featured Parts
Part Number Manufacturer Type Description
ADR1581ARTZ-REEL7 Analog Devices Voltage References V-Ref Precision 1.25V 10mA 3-Pin SOT-23 T/R Buy

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