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LM5070MTC-80 PDF预览

LM5070MTC-80

更新时间： 2024-01-08 09:40:22
品牌 Logo 应用领域
德州仪器 - TI 信息通信管理开关光电二极管
页数 文件大小 规格书
24页 1107K
描述
0.8A SWITCHING CONTROLLER, 665kHz SWITCHING FREQ-MAX, PDSO16, PLASTIC, TSSOP-16

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LM5070MTC-80 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：PLASTIC, TSSOP-16针数：16
Reach Compliance Code：unknown风险等级：5.29
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封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：260
座面最大高度：1.1 mm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：TIN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：40宽度：4.4 mm

LM5070MTC-80 数据手册

 浏览型号LM5070MTC-80的Datasheet PDF文件第2页浏览型号LM5070MTC-80的Datasheet PDF文件第3页浏览型号LM5070MTC-80的Datasheet PDF文件第4页浏览型号LM5070MTC-80的Datasheet PDF文件第5页浏览型号LM5070MTC-80的Datasheet PDF文件第6页浏览型号LM5070MTC-80的Datasheet PDF文件第7页 
LM5070  
www.ti.com  
SNVS308G –OCTOBER 2004–REVISED APRIL 2013  
LM5070 Integrated Power Over Ethernet PD Interface and PWM Controller  
Check for Samples: LM5070  
1
FEATURES  
DESCRIPTION  
The LM5070 power interface port and pulse width  
modulation (PWM) controller provides a complete  
integrated solution for Powered Devices (PD) that  
connect into Power over Ethernet (PoE) systems. The  
LM5070 integrates an 80V, 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  
interface and switch mode power supply (SMPS) are  
integrated 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.  
2
•
•
•
•
•
•
Fully Compliant 802.3af Power Interface Port  
80V, 1Ω, 400 mA Internal MOSFET  
Programmable Inrush Current Limit  
Detection Resistor Disconnect Function  
Programmable Classification Current  
Programmable Under-voltage Lockout with  
Programmable Hysteresis  
•
•
•
Thermal Shutdown Protection  
Current Mode Pulse Width Modulator  
Supports Both Isolated and Non-Isolated  
Applications  
•
Error Amplifier and Reference for Non-Isolated  
Applications  
PACKAGES  
•
•
•
Programmable Oscillator Frequency  
Programmable Soft-Start  
•
•
TSSOP-16  
WSON-16 (5 mm x 5 mm)  
80% Maximum Duty Cycle Limiter, Slope  
Compensation (-80 device)  
•
•
50% Maximum Duty Cycle Limiter, No Slope  
Compensation (-50 device)  
800 mA Peak Gate Driver  
Block Diagrams  
RJ45  
Connector  
VDC  
TX+ (1)  
LM5070  
IEEE 802.3af  
Interface  
ToPHY  
ToPHY  
TX- (2)  
UVLO  
Signature Detection  
Classification  
RX+ (3)  
DC-DC  
Converter  
Controller  
Hot Plug Controller  
RX- (6)  
(4)  
(5)  
In-rush and Fault  
Current Limiting  
Current Mode  
(7)  
(8)  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
All trademarks are the property of their respective owners.  
2
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2004–2013, Texas Instruments Incorporated  
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