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