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5A 220KHz 36V Buck LED Constant Current Driver   XL3005

General Description

   The  XL3005  is  a  220  KHz fixed frequency PWM buck (step-down) LED

constant current driver, capable of driving a 5A 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 over current protection function is built inside. When short protection

function  happens,  the  operation  frequency  will  be  reduced from 220KHz to

60KHz. An internal compensation block is built in to minimize external component

count.

Features

  1)  Wide 8V to 36V Input Voltage Range
   2)  Output Current Sence Voltage is 0.21V
   3)  Maximum Duty Cycle 100%
   4)  Minimum Drop Out 0.3V
   5)  Fixed 220KHz Switching Frequency
   6)  5A Constant Output Current Capability
   7)  Internal Optimize Power MOSFET
   8)  High efficiency
   9)  Excellent line and load regulation

 10)  Built in thermal shutdown function
 11)  Built in current limit function
 12)  Built in output short protection function
 13)  Available in TO-263 package

Applications

  1)  Buck constant current driver
  2)  Monitor LED Backlighting
  3)  General purpose LED lighting

 降压型LED恒流驱动器芯片（常规型）

SHENZHEN DEJIANG ELECTRONICS CO.,LTD

TEL: 0755-22383631

FAX: 0755-22713300

Mp: 13543332075

E-mail: szdejiang@163.com

QQ: 1427845875

Web: www.de-jiang.com