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LM3404MRX PDF预览

LM3404MRX

更新时间: 2024-09-27 03:02:03
品牌 Logo 应用领域
美国国家半导体 - NSC 稳压器驱动
页数 文件大小 规格书
24页 546K
描述
1.0A Constant Current Buck Regulator for Driving High Power LEDs

LM3404MRX 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:PLASTIC, PSOP-8Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.14模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制技术:PULSE WIDTH MODULATION最大输入电压:42 V
最小输入电压:6 V标称输入电压:24 V
JESD-30 代码:R-PDSO-G8JESD-609代码:e0
长度:4.93 mm湿度敏感等级:3
功能数量:1端子数量:8
最高工作温度:125 °C最低工作温度:-40 °C
最大输出电流:1 A封装主体材料:PLASTIC/EPOXY
封装代码:HLSOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, HEAT SINK/SLUG, LOW PROFILE峰值回流温度(摄氏度):260
认证状态:Not Qualified座面最大高度:1.68 mm
表面贴装:YES切换器配置:BUCK
温度等级:AUTOMOTIVE端子面层:Tin/Lead (Sn/Pb)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:40
宽度:3.94 mmBase Number Matches:1

LM3404MRX 数据手册

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June 2007  
LM3404/04HV  
1.0A Constant Current Buck Regulator for Driving High  
Power LEDs  
General Description  
Features  
The LM3404/04HV are monolithic switching regulators de-  
signed to deliver constant currents to high power LEDs. Ideal  
for automotive, industrial, and general lighting applications,  
they contain a high-side N-channel MOSFET switch with a  
current limit of 1.5A (typical) for step-down (Buck) regulators.  
Hysteretic controlled on-time and an external resistor allow  
the converter output voltage to adjust as needed to deliver a  
constant current to series and series-parallel connected LED  
arrays of varying number and type. LED dimming via pulse  
width modulation (PWM), broken/open LED protection, low-  
power shutdown and thermal shutdown complete the feature  
set.  
Integrated 1.0A MOSFET  
VIN Range 6V to 42V (LM3404)  
VIN Range 6V to 75V (LM3404HV)  
1.2A Output Current Over Temperature  
Cycle-by-Cycle Current Limit  
No Control Loop Compensation Required  
Separate PWM Dimming and Low Power Shutdown  
Supports all-ceramic output capacitors and capacitor-less  
outputs  
Thermal shutdown protection  
SO-8 Package, PSOP-8 Package  
Applications  
LED Driver  
Constant Current Source  
Automotive Lighting  
General Illumination  
Industrial Lighting  
Typical Application  
20205401  
© 2007 National Semiconductor Corporation  
202054  
www.national.com  

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