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LCD BACKLIGHT INVERTER DRIVE IC
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General Description
The FAN7314 provides all the control functions for use as a series parallel
resonant converter as well as 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.
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Features
- High-Efficiency Single-Stage Power Conversion
- Wide Input Voltage Range : 5V to 25.5V
- Back Light Lamp Ballast and Soft Dimming
- Reduces Number of Required External Components
- Precision Voltage Reference Trimmed to 2%
- ZVS Half-Bridge Topology
- Soft Start
- PWM Control at Fixed Frequency
- Analog and Burst Dimming Function
- Programmable Striking Frequency
- Open-Lamp Protection
- Open-Lamp Regulation
- 20-Pin SOIC
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