An Efficient and Low Cost Alternative to LEDs for Backlighting Handheld Computer Displays

Reference Design using part LTC1697 by Analog Devices

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Manufacturer

Analog Devices
  • Application Category
    Lighting
  • Product Type
    Fluorescent Lamp Driver

For End Products

  • Desktop PC

Description

  • Circuit shown in is specifically designed to control a single 1W CCFL. T1, Q1, Q2 and associated components form a current fed resonant Royer converter that produces a high voltage at transformer T1's secondary winding

Key Features

  • Input Voltage
    2.7 to 5.5 V
  • Output Power
    1 W
  • Number of Derived Elements
    1

Featured Parts (3)

Featured Parts
Part Number Manufacturer Type Description
LTC1697EMS#PBF Analog Devices Lighting Drivers and Controller ICs CCFL Controller 3.3V/5V 300kHz 10-Pin MSOP Tube Buy
LTC1697EMS#TRPBF Analog Devices Lighting Drivers and Controller ICs CCFL Controller 3.3V/5V 300kHz 10-Pin MSOP T/R Buy
LTC1697EMS Analog Devices Lighting Drivers and Controller ICs CCFL Controller 3.3V/5V 300kHz 10-Pin MSOP Buy

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