Features

 5 V to 36 V Input Supply Voltage Range

 Maximum Output Adjustable up to 47 V

 High-Efficiency Step-up Regulator

. Peak-Current Mode Control – Fast Transient

. 200 kHz to 1.4 MHz Adjustable Switching Frequency

. Built-in 50 V, 2.5 A, 0.18 Ω MOSFET

 Four LED Current Sources

. Full-Scale LED Current Adjustable up to 40 mA

. ± 1.5 Current Matching between Channels

. Headroom Control to Maximize Efficiency

 Dimming Control

. Wide PDIM Input Frequency: 100 Hz to 22 kHz

. Adjustable Output Dimming Frequency: 100 Hz to 22 kHz

. Selectable Dimming Control

 Direct PWM or Phase Shift PWM

 Protections

. Output Overvoltage Protection

. LED Open Circuit Protection

. Thermal Shutdown

Applications

 Notebook Backlighting

 LCD Monitor LED Backlighting