Description
●The FAN7311 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 cold cathode fluorescent lamp (CCFL) and the transformer"s characteristics. FAN7311 uses a new patented phase-shift control.
●Features
●High-Efficiency Single-Stage Power Conversion
●Wide Input Voltage Range: 5V to 25.5V
●Backlight Lamp Ballast and Soft Dimming
●Reduced Number of Required External Components
●Precision Voltage Reference Trimmed to 2%
●ZVS Full-Bridge Topology
●Soft-Start Capability
●PWM Control at Fixed Frequency
●Analog and Burst Dimming Function
●Programmable Striking Frequency
●Open-Lamp Protection
●Open-Lamp Regulation
●20-Pin SSOP/SOIC/DIP
●Applications
●LCD TV
●LCD Monitor
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