DC2247A, Demo Board based on LT3922 36V 2A Synchronous 2MHz Boost LED Driver

Reference Design using part LT3922EUFD#PBF by Analog Devices

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Manufacturer

Analog Devices
  • Application Category
    Lighting
  • Product Type
    General LED Driver
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Associated Documents

For End Products

  • Automotive Lighting
  • Industrial Lighting
  • Machine Vision

Description

  • DC2247A, Demonstration Circuit is a synchronous 2MHz boost LED driver featuring the LT3922. The LT3922 features a low EMI Silent Switcher architecture and an optional spread spectrum frequency modulation (SSFM) that further reduces EMI. It has a 2A/36V internal power switch, but the demo board has been configured to use a 4V to 28V input and thus has input overvoltage lockout set at 28V. It drives a single string of LEDs at 330mA up to 34V when the input voltage is between 7V and 28V

Key Features

  • Input Voltage
    4 to 28 V
  • Output Voltage
    34 V
  • Output Current
    0.33 A

Featured Parts (1)

Featured Parts
Part Number Manufacturer Type Description
LT3922EUFD#PBF Analog Devices LED Drivers LED Driver 4000uA Supply Current 28-Pin QFN EP Tube Buy

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