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LM3407MY PDF预览

LM3407MY

更新时间: 2024-01-24 09:37:18
品牌 Logo 应用领域
美国国家半导体 - NSC 转换器开关
页数 文件大小 规格书
16页 372K
描述
350 mA, Constant Current Output Floating Buck Switching Converter for High Power LEDs

LM3407MY 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:HTSSOP,
Reach Compliance Code:compliantFactory Lead Time:6 weeks
风险等级:1.06输入特性:STANDARD
接口集成电路类型:LED DISPLAY DRIVERJESD-30 代码:S-PDSO-G8
JESD-609代码:e3长度:3 mm
湿度敏感等级:1复用显示功能:NO
功能数量:1区段数:7
输出特性:CONSTANT-CURRENT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峰值回流温度(摄氏度):260
座面最大高度:1.1 mm最大压摆率:0.98 mA
最大供电电压:30 V最小供电电压:4.5 V
标称供电电压:12 V表面贴装:YES
温度等级:AUTOMOTIVE端子面层:Matte Tin (Sn)
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:3 mmBase Number Matches:1

LM3407MY 数据手册

 浏览型号LM3407MY的Datasheet PDF文件第2页浏览型号LM3407MY的Datasheet PDF文件第3页浏览型号LM3407MY的Datasheet PDF文件第4页浏览型号LM3407MY的Datasheet PDF文件第5页浏览型号LM3407MY的Datasheet PDF文件第6页浏览型号LM3407MY的Datasheet PDF文件第7页 
January 18, 2008  
LM3407  
350 mA, Constant Current Output Floating Buck Switching  
Converter for High Power LEDs  
General Description  
Features  
The LM3407 is a constant current output floating buck switch-  
ing converter designed to provide constant current to high  
power LEDs. The device is ideal for automotive, industrial and  
general lighting applications. The LM3407 has an integrated  
power N-MOSFET that makes the application solution com-  
pact and simple to implement. An external 1% thick-film re-  
sistor allows the converter output voltage to adjust as needed  
to deliver constant current within 10% accuracy to a serially  
connected LED string of varying number and type. Converter  
switching frequency is adjustable from 300 kHz to 1 MHz. The  
LM3407 features a dimming input to enable LED brightness  
control by Pulse Width Modulation (PWM). Additionally, a  
separate enable pin allows for low power shutdown. An ex-  
posed pad eMSOP-8 package provides excellent heat dissi-  
pation and thermal performance. Input UVLO and output  
open-circuit protection ensure a robust LED driver solution.  
Input operating range 4.5V to 30V  
Output voltage range: 0.1VIN to 0.9VIN  
Accurate constant current output  
Cycle-by-Cycle current limit  
Independent device enable (CMOS compatible) and PWM  
dimming control  
Converter switching frequency adjustable from 300 kHz to  
1 MHz  
No external control loop compensation required  
Supports ceramic and low ESR output capacitors  
Input Under Voltage Lock Out (UVLO)  
Thermal shutdown protection  
eMSOP-8 Package  
Applications  
LED Driver  
Constant Current Source  
Automotive Lighting  
General Illumination  
Industrial Lighting  
Typical Application  
30046635  
© 2008 National Semiconductor Corporation  
300466  
www.national.com  

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