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XL2001 5V/1.8A 150KHz 45V Buck DC to DC Converter For USB Interface

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The XL2001 is a 150 KHz fixed frequency PWM buck (step-down) DC/DC converter,  capable of driving a 1.8A 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.
The XL2001 built in output short protection function. When short protection function
happens, the chip will be shutdown. An internal compensation block is built in to minimize external component count.

Features
n Wide 8V to 45V input voltage range.
n Fixed 5V output voltage.
n Maximum 1.8A output current.
n Fixed 150KHz switching frequency.
n Internal optimize power MOSFET.
n High efficiency up to 92%.
n Built in output short shutdown function.
n Excellent line and load regulation.
n Built in thermal shutdown function.
n Built in current limit function.
n Available in SOIC-8 package.

Applications

* Distributed Power Systems

* Networking Systems

* FPGA, DSP, ASIC Power Supplies

* Green Electronics/ Appliances

* Notebook Computers

* Car Charger

Typical Application Circuit\