Features

 4.5 V to 26 V Input Supply Voltage Range

 Step-down Regulator

. Voltage Mode Control

. Adjustable Switching Frequency

. Over Current Protection and Soft Start

 Dimming Control

. Wide PDIM Input Frequency: 100 Hz to 20 kHz

. Direct PWM Dimming Control

 Two Channel Current Source Drivers

. 3 Current Matching Between Channels

. Head Room Control to Maximize Efficiency

 5 V LDO

 Protections

. Output Overvoltage Protection

. LED Open Circuit Protection

. Thermal Shut Down Protection

Applications

 Notebook LED Backlighting

 LCD Monitor LED Backlighting