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XL1530

XLSEMI
Part Number XL1530
Manufacturer XLSEMI
Description 3A 380KHz 18V Buck DC to DC Converter
Published Aug 9, 2013
Detailed Description Datasheet 3A 380KHz 18V Buck DC to DC Converter Features „ „ „ „ XL1530 General Description The XL1530 is a 380KHz fixe...
Datasheet PDF File XL1530 PDF File

XL1530
XL1530

Overview
Datasheet 3A 380KHz 18V Buck DC to DC Converter Features „ „ „ „ XL1530 General Description The XL1530 is a 380KHz fixed frequency PWM buck (step-down) DC/DC converter, capable of driving a 3A 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 PWM control circuit is able to adjust the duty ratio linearly from 0 to 100%.
An enable function, an over current protection function is built inside.
When short protection function happens, the operation frequency will be reduced from 380KHz to 80KHz.
An internal compensation block is built in to minimize external component count.
Wide 3.
6V to 18V Input Voltage Range Output Adjustable from 0.
8V to 16V Maximum Duty Cycle 100% Minimum Drop Out 0.
6V „ „ „ „ „ „ „ „ „ „ „ Fixed 380KHz Switching Frequency 3A Constant Output Current Capability Internal Optimize Power MOSFET High efficiency Excellent line and load regulation TTL shutdown capability EN pin with hysteresis function Built in thermal shutdown function Built in current limit function Built in output short protection function Available in SOP8 package Applications „ „ „ „ „ LCD Monitor and LCD TV Digital Photo Frame Set-up Box ADSL Modem Telecom / Networking Equipment Figure1.
Package Type of XL1530 Rev 1.
0 1 www.
xlsemi.
com Free Datasheet http://www.
datasheet4u.
com/ Datasheet 3A 380KHz 18V Buck DC to DC Converter Pin Configurations XL1530 XL1530 Figure2.
Pin Configuration of XL1530 (Top View) Table 1 Pin Description Pin Number 3 4 5,6 7,8 Pin Name NC VIN SW GND Description No Connected.
Supply Voltage Input Pin.
XL1530 operates from a 3.
6V to 18V DC voltage.
Bypass Vin to GND with a suitably large capacitor to eliminate noise on the input.
Power Switch Output Pin (SW).
Output is the switch node that supplies power to the output.
Ground Pin.
Care must be taken in layout.
T...


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