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XL4003
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型号:   XL4003
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文件大小:  340 K
PDF页数:   9 页
联系供应商:  购买产品XL4003
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品牌:  未知厂家 [ ETC ]
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Datasheet
4A 300KHz 32V Buck DC to DC Converter
Features
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Wide 5V to 32V Input Voltage Range
Output Adjustable from 0.8V to 30V
Maximum Duty Cycle 100%
Minimum Drop Out 0.6V
Fixed 300KHz Switching Frequency
4A 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 TO-252 package
XL4003
General Description
The XL4003 is a 300KHz 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
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 300KHz to 60KHz. An internal
compensation block is built in to minimize
external component count.
Applications
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LCD Monitor and LCD TV
Digital Photo Frame
Set-up Box
ADSL Modem
Telecom / Networking Equipment
Figure1. Package Type of XL4003
若需样品和货请联系芯龙代理商深圳市莱瑞尔科技有限公司,许向军手机13590311415,QQ197518900
Rev 2.3
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