Description

The FAN7548 provides the necessary circuit blocks to implement a highly efficient CCFL backlight power supply in a small footpirnt 20 SSOP package. The device features two control stages for operating independent resonant tanks for multi-lamp designs.

Features

• Backlight Lamp Ballast and Soft Dimming

• Reduce the Number of Components

• Wide Range Operating Voltage 9-30V

• Precision Voltage Reference Trimmed to 3.4

• Low Standby Current (Typ. 150uA)

• Soft Start Function

• Dual PWM Control

• Analog & Burst Dimming Function

• P-Channel MOSFET Drive

• Open Lamp Regulation(OLR)

• Open Lamp Protection(OLP)

• Buck+Royer Topology

• 20 SSOP