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TPS23753APWR

更新时间： 2024-11-15 12:21:59
品牌 Logo 应用领域
德州仪器 - TI 转换器控制器
页数 文件大小 规格书
30页 858K
描述
IEEE 802.3 PoE INTERFACE AND CONVERTER CONTROLLER WITH ENHANCED ESD IMMUNITY

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TPS23753APWR 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, TSSOP14,.25针数：14
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：0.87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：57 V最小输入电压：5.8 V
标称输入电压：48 VJESD-30 代码：R-PDSO-G14
JESD-609代码：e4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封装主体材料：PLASTIC/EPOXY
封装代码：TSSOP封装等效代码：TSSOP14,.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 mm子类别：Switching Regulator or Controllers
最大供电电流 (Isup)：0.85 mA标称供电电压 (Vsup)：48 V
表面贴装：YES切换器配置：SINGLE
最大切换频率：273 kHz温度等级：AUTOMOTIVE
端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)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

TPS23753APWR 数据手册

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TPS23753A  
www.ti.com  
SLVS933B –JULY 2009–REVISED JANUARY 2010  
IEEE 802.3 PoE INTERFACE AND CONVERTER CONTROLLER WITH ENHANCED ESD  
IMMUNITY  
1
FEATURES  
DESCRIPTION  
•
•
•
•
•
•
•
•
•
•
•
•
Enhanced ESD Ride-Through Capability  
Optimized for Isolated Converters  
Complete PoE Interface  
The TPS23753A is a combined Power over Ethernet  
(PoE) powered device (PD) interface and  
current-mode dc/dc controller optimized specifically  
Adapter ORing Support  
for  
isolated  
converter  
designs.  
The  
PoE  
12 V Adapter Support  
implementation supports the IEEE 802.3at standard  
as a 13 W type 1 PD. The requirements for an IEEE  
802.3at type 1 device are a superset of IEEE  
802.3-2008 (originally IEEE 802.3af).  
Programmable Frequency with Synch.  
Robust 100 V, 0.7 Ω Hotswap MOSFET  
Small TSSOP 14 Package  
The TPS23753A supports a number of input-voltage  
ORing options including highest voltage, external  
adapter preference, and PoE preference.  
15 kV / 8 kV System Level ESD Capable  
–40°C to 125°C Junction Temperature Range  
Design Procedure Application Note - SLVA305  
Adapter ORing Application Note - SLVA306  
The PoE interface features an external detection  
signature pin that can also be used to disable the  
internal hotswap MOSFET. This allows the PoE  
function to be turned off. Classification can be  
programmed to any of the defined types with a single  
resistor.  
APPLICATIONS  
•
•
•
•
IEEE 802.3at Compliant Powered Devices  
VoIP Telephones  
Access Points  
Security Cameras  
The dc/dc controller features a bootstrap startup  
mechanism with an internal, switched current source.  
This provides the advantages of cycling overload fault  
protection without the constant power loss of a pull up  
resistor.  
The programmable oscillator may be synchronized to  
a higher-frequency external timing reference. The  
TPS23753A features improvements for uninterrupted  
device operation through an ESD event.  
BR1  
T1  
CIN  
DS  
DEN  
COUT  
DVC  
VOUT  
VC  
RVC  
CLS  
BR2  
M1  
VSS  
VB  
VB  
GATE  
CS  
CTL  
ROB  
APD  
FRS  
*
RFBU  
DA  
RAPD1  
RCTL  
CCTL  
CIZ  
*
RFBL  
Adapter  
CIO  
TLV431  
are Optional  
* Adapter interface and RBLNK  
Figure 1. Basic TPS23753A Implementation  
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.  
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 © 2009–2010, Texas Instruments Incorporated  
 
 
 
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TPS23753APWR 替代型号

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TPS23753APW TI

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 IEEE 802.3 PoE INTERFACE AND CONVERTER CONTROLLER WITH ENHANCED ESD IMMUNITY

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