DC928A, Demonstration Board using LTC3452 Buck-Boost regulator for a main camera white LED

Reference Design using part LTC3452EUF by Analog Devices

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Manufacturer

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

For End Products

  • Cellular Phone
  • Digital Camera
  • Personal Digital Assistant
  • Portable

Description

  • DC928A, Demonstration Board using LTC3452 Buck-Boost regulator for a main camera white LED. The circuit drives two banks of LEDs: one 250mA flash device, and a bank of 5 LEDs at 20mA each for backlighting. The backlight LED currents are typically matched within 2%. The input voltage range of 2.7V to 5.5V is suitable for a single Lithium-Ion battery or three AAA batteries in series

Key Features

  • Input Voltage
    2.7 to 5.5 V
  • Output Voltage
    4.4 V
  • Output Current
    0.02|0.25 A
  • Number of Derived Elements
    6

Featured Parts (2)

Featured Parts
Part Number Manufacturer Type Description
LTC3452EUF#TRPBF Analog Devices LED Drivers LED Driver 6 Segment 1000uA Supply Current 20-Pin QFN EP T/R Buy
LTC3452EUF#PBF Analog Devices LED Drivers LED Driver 6 Segment 1000uA Supply Current 20-Pin QFN EP Tube Buy

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