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LM3402MM

更新时间: 2024-09-25 04:20:11
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
22页 845K
描述
0.5A Constant Current Buck Regulator for Driving High Power LEDs

LM3402MM 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:PLASTIC, MSOP-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
控制模式:CURRENT-MODE控制技术:HYSTERETIC CURRENT MODE
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:S-PDSO-G8
JESD-609代码:e0长度:3 mm
湿度敏感等级:1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:0.94 A
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装形状:SQUARE封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:1.09 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:0.65 mm端子位置:DUAL
处于峰值回流温度下的最长时间:40宽度:3 mm
Base Number Matches:1

LM3402MM 数据手册

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October 2006  
LM3402/LM3402HV  
0.5A Constant Current Buck Regulator for Driving High  
Power LEDs  
General Description  
Features  
n Integrated 0.5A N-channel MOSFET  
n VIN Range from 6V to 42V (LM3402)  
n VIN Range from 6V to 75V (LM3402HV)  
n 500 mA Output Current Over Temperature  
n Cycle-by-Cycle Current Limit  
The LM3402/02HV 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 735 mA (typical) for step-down (Buck) regu-  
lators. Hysteretic control with controlled on-time coupled with  
an external resistor allow the converter output voltage to  
adjust as needed to deliver a constant current to series and  
series - parallel connected arrays of LEDs of varying number  
and type, LED dimming by pulse width modulation (PWM),  
broken/open LED protection, low-power shutdown and ther-  
mal shutdown complete the feature set.  
n No Control Loop Compensation Required  
n Separate PWM Dimming and Low Power Shutdown  
n Supports all-ceramic output capacitors and  
capacitor-less outputs  
n Thermal shutdown protection  
n MSOP-8 Package  
Applications  
n LED Driver  
n Constant Current Source  
n Automotive Lighting  
n General Illumination  
n Industrial Lighting  
Typical Application  
20192101  
© 2006 National Semiconductor Corporation  
DS201921  
www.national.com  

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