Description
The FAN7314 provides all the control functions for 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.

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