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FAN7315 Key Features

  • Wide Dimming Range Analog dimming ( 2.5 : 1 ) .. Burst dimming ( >100 : 1 )
  • High Efficiency Single Stage Power Conversion
  • Wide Input Voltage Range 7.4V to 20V
  • Back Light Lamp Ballast and Soft Dimming
  • Few External ponents
  • Precision Voltage Reference Trimmed to 2%
  • ZVS full-bridge topology
  • Soft Start
  • PWM Control at fixed frequency
  • Analog, Burst Dimming Function

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FAN7315 Description

The FAN7315 provides all the control functions for a series parallel resonant converter and also contains a pulse width modulation (PWM) controller to develop a supply voltage. Typical operating frequency range is between 30kHz and 250kHz depending on the CCFL and the transformer's characteristics. 1.0.1 ©2004 Fairchild Semiconductor Corporation FAN7315 Internal Block Diagram RT OSCILLATOR Output Driver OUTB CT...