XL4013 is a 180 KHz fixed frequency

Features
n Wide 8V to 36V Input Voltage Range
n Output Adjustable from 1.25V to 32V
n Maximum Duty Cycle **
n Minimum Drop Out 0.3V
n Fixed 180KHz Switching Frequency
n 4A Constant Output Current Capability
n Internal Optimize Power MOSFET
n High efficiency
n Excellent line and load regulation
n Built in thermal shutdown function
n Built in current limit function
n Built in output short protection function
n Available in TO-252 package
Applications
n LCD Monitor and LCD TV
n Portable instrument power supply
n Telecom / Networking Equipment
General Description XL4013
The XL4013 is a 180 KHz 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 XL4013
fixed-frequency oscillator. XL4013
The PWM control circuit is ablev to adjust the
duty ratio linearly from 0 to **. An over
current protection function is built inside.
When short protection function happens, the
operation frequency will be reduced from
180KHz to 48KHz. An internal compensation
block is built in to minimize external
component count. XL4013