Digitally Controlled CCFL Current Using the SMBUs Interface

Reference Design using part LTC1427-50 by Analog Devices

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Manufacturer

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

For End Products

  • Compact Fluorescent Lamp

Description

  • Circuit shows 90% efficient digitally controlled floating CCFL supply using the SMBUs serial interface. The DAC current output is connected to the ICCFL pin of LT1184F

Key Features

  • Output Current
    0 to 0.006 A
  • Number of Derived Elements
    1

Featured Parts (7)

Featured Parts
Part Number Manufacturer Type Description
LT1184FCS#PBF Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 3V to 30V Non-Inv/Inv/Step Up/Step Down Dual-Out 16-Pin SOIC N Tube Buy
LT1184FIS#PBF Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 3V to 30V Non-Inv/Inv/Step Up/Step Down Dual-Out 16-Pin SOIC N Tube Buy
LT1184FCS#TRPBF Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 3V to 30V Non-Inv/Inv/Step Up/Step Down Dual-Out 16-Pin SOIC N T/R Buy
LT1184FIS Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 3V to 30V Non-Inv/Inv/Step Up/Step Down Dual-Out 16-Pin SOIC N Buy
LT1184FCS Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 3V to 30V Non-Inv/Inv/Step Up/Step Down Dual-Out 16-Pin SOIC N Buy
LT1184FIS#TRPBF Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 3V to 30V Non-Inv/Inv/Step Up/Step Down Dual-Out 16-Pin SOIC N T/R Buy
LT1184FIS#TR Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 3V to 30V Non-Inv/Inv/Step Up/Step Down Dual-Out 16-Pin SOIC N T/R Buy

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