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FAN7547A Key Features

  • Backlight Lamp Ballast and Soft Dimming
  • Reduced Number of ponents
  • Wide Range of Operating Voltage (6 to 30V)
  • Precision Voltage Reference Reduced to 3.4%
  • Low Standby Current (Typically 50µA)
  • Soft-Start Function
  • PWM Control
  • Analog, Mixed, and PWM Dimming Function
  • P-Channel MOSFET Drive
  • Open-Lamp Protections (OLP)

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FAN7547A Description

The FAN7547A provides all control functions for a current-fed, push-pull, self-oscillation type converter and also contains a pulse-width-modulated (PWM) controller to develop a supply voltage. Typical operating frequency range is from 30kHz to 100kHz, depending on the cold cathode fluorescent lamp (CCFL) and the transformer's characteristics. Ordering Information Part Number FAN7547AM FAN7547AMX Package 14-SOP...