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FULL BRIDGE LCD BACKLIGHT CONTROLLER
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General Description
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The FAN7310 provides all the control functions for a
series parallel resonant converter and 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. The FAN7310 has a
patent-pending on phase-shift control.
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Features
- High-Efficiency Single-Stage Power Conversion
- Wide Input Voltage Range: 5V to 24V
- Backlight Lamp Ballast and Soft Dimming
- Reduce External Components
- Precision Voltage Reference Trimmed to 2%
- ZVS full-bridge topology
- Soft-Start Feature
- PWM Control at Fixed Frequency
- Analog and Burst Dimming Function
- Synchronizable Switching Frequency with External Signal
- Open-Lamp Protection
- Open-Lamp Regulation
- 20-Pin SSOP
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Applications
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