FAN7314MX

LCD背光逆变器驱动IC LCD Backlight Inverter Drive IC

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