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LM3406MH PDF预览

LM3406MH

更新时间: 2024-11-25 04:44:27
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

LM3406MH 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:HSSOP, TSSOP14,.25Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.2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:R-PDSO-G14
长度:5 mm湿度敏感等级:1
功能数量:1端子数量:14
最高工作温度:125 °C最低工作温度:-40 °C
最大输出电流:2.7 A封装主体材料:PLASTIC/EPOXY
封装代码:HSSOP封装等效代码:TSSOP14,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, HEAT SINK/SLUG, SHRINK PITCH
峰值回流温度(摄氏度):225认证状态:Not Qualified
子类别:Switching Regulator or Controllers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:NOT SPECIFIED宽度:4.4 mm
Base Number Matches:1

LM3406MH 数据手册

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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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Evaluation Board Reference Design