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