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LM3406

更新时间: 2024-02-26 21:21:16
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
26页 479K
描述
1.5A Constant Current Buck Regulator for Driving High Power LEDs

LM3406 技术参数

生命周期:Obsolete零件包装代码:SFM
包装说明:,针数:3
Reach Compliance Code:unknown风险等级:5.65
Is Samacsys:NJESD-30 代码:R-PSFM-T3
端子数量:3封装主体材料:PLASTIC/EPOXY
封装形状:RECTANGULAR封装形式:FLANGE MOUNT
认证状态:Not Qualified调节器类型:FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR
表面贴装:NO端子形式:THROUGH-HOLE
端子位置:SINGLEBase Number Matches:1

LM3406 数据手册

 浏览型号LM3406的Datasheet PDF文件第2页浏览型号LM3406的Datasheet PDF文件第3页浏览型号LM3406的Datasheet PDF文件第4页浏览型号LM3406的Datasheet PDF文件第5页浏览型号LM3406的Datasheet PDF文件第6页浏览型号LM3406的Datasheet PDF文件第7页 
September 4, 2008  
LM3406/06HV  
1.5A Constant Current Buck Regulator for Driving High  
Power LEDs  
General Description  
Features  
The LM3406/06HV 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 2.0A (typical) for step-down (Buck) regulators.  
Controlled on-time with true average current and an external  
current sense 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) is  
achieved using a dedicated logic pin or by PWM of the power  
input voltage. The product feature set is rounded out with low-  
power shutdown and thermal shutdown protection.  
Integrated 2.0A MOSFET  
VIN Range 6V to 42V (LM3406)  
VIN Range 6V to 75V (LM3406HV)  
True average output current control  
1.7A Minimum Output Current Limit Over Temperature  
Cycle-by-Cycle Current Limit  
PWM Dimming with Dedicated Logic Input  
PWM Dimming with Power Input Voltage  
Simple Control Loop Compensation  
Low Power Shutdown  
Supports All-Ceramic Output Capacitors and Capacitor-  
less Outputs  
Thermal Shutdown Protection  
eTSSOP-14 Package  
Applications  
LED Driver  
Constant Current Source  
Automotive Lighting  
General Illumination  
Industrial Lighting  
Typical Application  
30020301  
© 2008 National Semiconductor Corporation  
300203  
www.national.com  

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