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LM5070MTC-50 PDF预览

LM5070MTC-50

更新时间: 2024-02-20 12:10:38
品牌 Logo 应用领域
美国国家半导体 - NSC 稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管以太网
页数 文件大小 规格书
17页 832K
描述
Integrated Power Over Ethernet PD Interface and PWM Controller

LM5070MTC-50 技术参数

是否无铅:不含铅是否Rohs认证:符合
生命周期:Active零件包装代码:TSSOP
包装说明:TSSOP, TSSOP16,.25针数:16
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:1 week
风险等级:0.68Is Samacsys:N
模拟集成电路 - 其他类型:SWITCHING CONTROLLER控制模式:CURRENT-MODE
控制技术:PULSE WIDTH MODULATION最大输入电压:75 V
最小输入电压:1.8 V标称输入电压:48 V
JESD-30 代码:R-PDSO-G16JESD-609代码:e3
长度:5 mm湿度敏感等级:1
功能数量:1端子数量:16
最高工作温度:125 °C最低工作温度:-40 °C
最大输出电流:0.8 A封装主体材料:PLASTIC/EPOXY
封装代码:TSSOP封装等效代码:TSSOP16,.25
封装形状:RECTANGULAR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:1.1 mm子类别:Switching Regulator or Controllers
表面贴装:YES切换器配置:SINGLE
最大切换频率:665 kHz技术:BICMOS
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:4.4 mmBase Number Matches:1

LM5070MTC-50 数据手册

 浏览型号LM5070MTC-50的Datasheet PDF文件第2页浏览型号LM5070MTC-50的Datasheet PDF文件第3页浏览型号LM5070MTC-50的Datasheet PDF文件第4页浏览型号LM5070MTC-50的Datasheet PDF文件第5页浏览型号LM5070MTC-50的Datasheet PDF文件第6页浏览型号LM5070MTC-50的Datasheet PDF文件第7页 
December 2004  
LM5070  
Integrated Power Over Ethernet PD Interface and PWM  
Controller  
n Programmable Classification Current  
General Description  
n Programmable Under-voltage Lockout with  
The LM5070 power interface port and pulse width modula-  
Programmable Hysteresis  
tion (PWM) controller provides a complete integrated solu-  
tion for Powered Devices (PD) that connect into Power over  
Ethernet (PoE) systems. The LM5070 integrates an 80V,  
n Thermal Shutdown Protection  
n Current Mode Pulse Width Modulator  
n Supports both Isolated and Non-Isolated Applications  
n Error Amplifier and Reference for Non-Isolated  
Applications  
n Programmable Oscillator Frequency  
n Programmable Soft-start  
n 80% Maximum Duty Cycle Limiter, Slope Compensation  
(-80 device)  
n 50% Maximum Duty Cycle Limiter, No Slope  
Compensation (-50 device)  
400mA line connection switch and associated control for a  
fully IEEE 802.3af compliant interface with a full featured  
current mode pulse width modulator dc-dc converter. All  
power sequencing requirements between the controller in-  
terface and switch mode power supply (SMPS) are inte-  
grated into the IC. Two options are available providing either  
an 80% maximum duty cycle limit with slope compensation  
(on the –80 suffix) device or a 50% maximum duty cycle limit  
and no slope compensation on the (–50 suffix) device.  
n 800 mA Peak Gate Driver  
Features  
n Fully Compliant 802.3af Power Interface Port  
n 80V, 1, 400 mA Internal MOSFET  
n Programmable Inrush Current Limit  
n Detection Resistor Disconnect Function  
Packages  
n TSSOP-16  
n LLP-16 (5 mm x 5 mm)  
20120001  
© 2004 National Semiconductor Corporation  
DS201200  
www.national.com  

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