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XL1509-12 PDF预览

XL1509-12

更新时间: 2024-09-26 17:14:51
品牌 Logo 应用领域
友台半导体 - UMW /
页数 文件大小 规格书
12页 1694K
描述
DC-DC芯片

XL1509-12 数据手册

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R
UMW  
UMW XL1509  
Features  
General Description  
n Wide 4.5V to 40V Input Voltage Range  
n 3.3V,5V,12V, and adjustable versions  
n Output Adjustable from 1.23V to 37V  
The XL1509 is a 150 KHz fixed frequency  
PWM buck (step-down) DC/DC converter,  
capable of driving a 2A load with high  
efficiency, low ripple and excellent line and  
n
n
Maximum Duty Cycle 100%  
Minimum Drop Out 1.5V  
load regulation. Requiring  
a
minimum  
n Fixed 150KHz Switching Frequency  
n 2A Constant Output Current Capability  
n Internal Optimize Power Transistor  
number of external components, the regulator  
is simple to use and include internal  
frequency  
compensation  
and  
a
n
n
n
n
n
High efficiency  
Excellent line and load regulation  
TTL shutdown capability  
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 second current limit  
function happens, the operation frequency  
will be reduced from 150KHz to 50KHz. An  
internal compensation block is built in to  
minimize external component count.  
ON/OFF pin with hysteresis function  
Built in thermal shutdown function  
n
n
n
Built in current limit function  
Built in second current limit function  
Available in SOIC8 package  
Applications  
n LCD Monitor and LCD TV  
n Digital Photo Frame  
n Set-up Box  
n ADSL Modem  
n Telecom / Networking Equipment  
Figure1. Package Type of XL1509  
www.umw-ic.com  
1
友台半导体有限公司  

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