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TPS23751PWP PDF预览

TPS23751PWP

更新时间： 2024-11-15 12:22:31
品牌 Logo 应用领域
德州仪器 - TI 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
页数 文件大小 规格书
7页 336K
描述
IEEE 802.3at PoE Interface with Wide Range High Efficiency DC/DC Controller

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TPS23751PWP 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, TSSOP16,.25
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：1.68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：
标称输入电压：10.9 VJESD-30 代码：R-PDSO-G16
JESD-609代码：e4长度：5 mm
湿度敏感等级：2功能数量：1
端子数量：16最高工作温度：85 °C
最低工作温度：-40 °C最大输出电流：1.2 A
封装主体材料：PLASTIC/EPOXY封装代码：HTSSOP
封装等效代码：TSSOP16,.25封装形状：RECTANGULAR
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 mm子类别：Switching Regulator or Controllers
最大供电电流 (Isup)：3 mA标称供电电压 (Vsup)：10.9 V
表面贴装：YES最大切换频率：276 kHz
温度等级：INDUSTRIAL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宽度：4.4 mm
Base Number Matches：1

TPS23751PWP 数据手册

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TPS23751  
TPS23752  
www.ti.com  
SLVSB97 –JULY 2012  
IEEE 802.3at PoE Interface with Wide Range High Efficiency DC/DC Controller  
Check for Samples: TPS23751 , TPS23752  
1
FEATURES  
DESCRIPTION  
The TPS23751 is a 16-pin integrated circuit that  
2
•
IEEE 802.3at Classification with Status Flag  
combines Power-over-Ethernet (PoE) powered  
a
•
High Efficiency Solutions Over Wide Load  
Range  
device (PD) interface and a current-mode DC/DC  
controller optimized specifically for applications  
requiring high efficiency over a wide load range.  
•
•
•
•
•
•
•
•
Powers up to 25.5 W PDs  
Robust 100 V, 0.5 Ω Hotswap MOSFET  
Synchronous Rectifier Disable Signal  
PowerPad™ TSSOP Packages  
Complete PoE Interface Plus DC/DC Controller  
Adapter ORing Support  
The PoE interface implements type-2 hardware  
classification per IEEE 802.3at. It also includes an  
auxiliary power detect (APD) input and a disable  
function (DEN). A 0.5 Ω, 100 V pass MOSFET  
minimizes heat dissipation and maximizes power  
utilization.  
Programmable Frequency  
The DC/DC controller features internal soft-start, a  
bootstrap startup current source, current-mode  
control with slope compensation, blanking, and  
current limiting. Efficiency is enhanced at light loads  
by disabling synchronous rectification and entering  
variable frequency operation (VFO).  
TPS23752 Supports Ultra-Low Power Sleep  
Modes  
•
–40°C to 125°C Junction Temperature Range  
APPLICATIONS  
The TPS23752 is a 20-pin extended version of the  
TPS23751 with the addition of a sleep mode feature.  
Sleep mode disables the converter to minimize power  
consumption while still generating the Maintain Power  
Signature (MPS) required by IEEE802.3at.  
•
•
•
•
•
IEEE 802.3at-Compliant Devices  
Video and VoIP Telephones  
Multiband Access Points  
Security Cameras  
Pico-Base Stations  
T1  
VOUT  
CIN  
OPTO3  
OPTO3  
Type 2 PSE  
Indicator  
DOUT  
T2P  
DEN  
RT2P  
DVC1  
RVC  
VC  
VB  
M2  
CLS  
PAD  
VSS  
M1  
OPTO2  
SRT  
GATE  
CS  
APD  
CTL  
RT  
ROB  
CIZ  
VB  
DA  
VOUT  
SRD  
OPTO1  
RAPD1  
CIO  
OPTO1  
OPTO2  
TLV 431  
6/25/12  
Figure 1. Typical Application Circuit  
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.  
2
PowerPad is a trademark of Texas Instruments.  
PRODUCT PREVIEW information concerns products in the  
formative or design phase of development. Characteristic data and  
other specifications are design goals. Texas Instruments reserves  
the right to change or discontinue these products without notice.  
Copyright © 2012, Texas Instruments Incorporated  
1234567

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TPS23751PWP 替代型号

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TPS23751PWPR TI

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 IEEE 802.3at PoE Interface with Wide Range High Efficiency DC/DC Controller

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