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FAN7315 - LCD Backlight Inverter Driver

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.

Features

  • Wide Dimming Range Analog dimming ( 2.5 : 1 ) www. DataSheet4U. com 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 Components.
  • Precision Voltage Reference Trimmed to 2%.
  • ZVS full-bridge topology.
  • Soft Start.
  • PWM Control at fixed frequency.
  • Analog, Burst Dimming Function.
  • Open Lamp.

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Full PDF Text Transcription

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www.fairchildsemi.com FAN7315 LCD Back Light Inverter Drive IC Features • Wide Dimming Range Analog dimming ( 2.5 : 1 ) www.DataSheet4U.com 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 Components • Precision Voltage Reference Trimmed to 2% • ZVS full-bridge topology • Soft Start • PWM Control at fixed frequency • Analog, Burst Dimming Function • Open Lamp Protection • Open Lamp Regulation • Short Lamp Protection • Thermal Protection • 20 Pin SSOP 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.
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