The XL4003 is a 300KHz fixed frequency

PWM buck (step-down) DC/DC converter,

capable of driving a 4A load with high

efficiency, low ripple and excellent line and

load regulation. Requiring a minimum

number of external components, the regulator

is simple to use and include internal

frequency compensation and a

fixed-frequency oscillator.

Applications

􀂄 LCD Monitor and LCD TV

􀂄 Digital Photo Frame

􀂄 Set-up Box

􀂄 ADSL Modem

􀂄 Telecom / Networking Equipment