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LM3404HVMA PDF预览

LM3404HVMA

更新时间: 2024-01-23 07:50:12
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

LM3404HVMA 技术参数

是否无铅:不含铅是否Rohs认证:符合
生命周期:Active包装说明:SOP-8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:1 week
风险等级:0.69Is Samacsys:N
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 VJESD-30 代码:R-PDSO-G8
JESD-609代码:e3长度:4.9 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:1.8 A
最大输出电压:40 V最小输出电压:0.2 V
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座面最大高度:1.68 mm
表面贴装:YES切换器配置:BUCK
最大切换频率:1000 kHz温度等级:AUTOMOTIVE
端子面层:Matte Tin (Sn)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:NOT SPECIFIED宽度:3.9 mm
Base Number Matches:1

LM3404HVMA 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  

LM3404HVMA 替代型号

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