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LM3409QMY PDF预览

LM3409QMY

更新时间: 2024-01-24 09:33:49
品牌 Logo 应用领域
美国国家半导体 - NSC 显示驱动器驱动程序和接口接口集成电路光电二极管控制器
页数 文件大小 规格书
30页 965K
描述
PFET Buck Controller for High Power LED Drives

LM3409QMY 技术参数

生命周期:Transferred包装说明:HTSSOP,
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.23
Is Samacsys:N接口集成电路类型:LED DISPLAY DRIVER
JESD-30 代码:S-PDSO-G10长度:3 mm
复用显示功能:NO功能数量:1
区段数:1端子数量:10
最高工作温度:125 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:HTSSOP
封装形状:SQUARE封装形式:SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
认证状态:Not Qualified座面最大高度:1.09 mm
最大供电电压:42 V最小供电电压:6 V
标称供电电压:24 V表面贴装:YES
温度等级:AUTOMOTIVE端子形式:GULL WING
端子节距:0.5 mm端子位置:DUAL
宽度:3 mmBase Number Matches:1

LM3409QMY 数据手册

 浏览型号LM3409QMY的Datasheet PDF文件第2页浏览型号LM3409QMY的Datasheet PDF文件第3页浏览型号LM3409QMY的Datasheet PDF文件第4页浏览型号LM3409QMY的Datasheet PDF文件第5页浏览型号LM3409QMY的Datasheet PDF文件第6页浏览型号LM3409QMY的Datasheet PDF文件第7页 
April 12, 2010  
LM3409 / LM3409HV  
LM3409Q / LM3409QHV  
PFET Buck Controller for High Power LED Drives  
General Description  
Features  
The LM3409/09HV are P-channel MosFET (PFET) con-  
trollers for step-down (buck) current regulators. They offer  
wide input voltage range, high-side differential current sense  
with low adjustable threshold voltage, fast output enable/dis-  
able function and a thermally enhanced eMSOP-10 package.  
These features combine to make the LM3409/09HV ideal for  
use as constant current sources for driving LEDs where for-  
ward currents up to 5A are easily achievable. The  
LM3409/09Q/09HV/09QHV uses Constant Off-Time (COFT)  
control to regulate an accurate constant current without the  
need for external control loop compensation. Analog and  
PWM dimming are easy to implement and result in a highly  
linear dimming range with excellent achievable contrast ra-  
tios. Programmable UVLO, low-power shutdown, and thermal  
shutdown complete the feature set.  
LM3409Q/LM3409QHV is an Automotive Grade product  
that is AEC-Q100 grade 1 qualified  
2Ω, 1A Peak MosFET Gate Drive  
VIN Range: 6V to 42V (LM3409/LM3409Q)  
VIN Range: 6V to 75V (LM3409HV/LM3409QHV)  
Differential, High-side Current Sense  
Cycle-by-Cycle Current Limit  
No Control Loop Compensation Required  
10,000:1 PWM Dimming Range  
250:1 Analog Dimming Range  
Supports All-Ceramic Output Capacitors and Capacitor-  
less Outputs  
Low Power Shutdown  
Thermal Shutdown Protection  
Thermally Enhanced eMSOP-10 Package  
Applications  
LED Driver  
Constant Current Source  
Automotive Lighting  
General Illumination  
Industrial Lighting  
Typical Application  
30085601  
© 2010 National Semiconductor Corporation  
300856  
www.national.com  

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