IC Phoenix
 
Home ›  TT68 > TPS23757PW-TPS23757PWR,High Efficiency PoE Interface and DC/DC Controller 20-TSSOP -40 to 125
TPS23757PW-TPS23757PWR Fast Delivery,Good Price
Part Number:
If you need More Quantity or Better Price,Welcom Any inquiry.
We available via phone +865332716050 Email
Partno Mfg Dc Qty AvailableDescript
TPS23757PWTIN/a421avaiHigh Efficiency PoE Interface and DC/DC Controller 20-TSSOP -40 to 125
TPS23757PWRTIN/a1299avaiHigh Efficiency PoE Interface and DC/DC Controller 20-TSSOP -40 to 125


TPS23757PWR ,High Efficiency PoE Interface and DC/DC Controller 20-TSSOP -40 to 125features internalAPPLICATIONSsoftstart, bootstrap startup source, current-modecompensation, and a 7 ..
TPS2375D ,IEEE 802.3af PoE Powered Device Controllersfeatures needed to develop an IEEE 802.3afcompliant powered device (PD). The TPS2375 family is a se ..
TPS2375DR ,IEEE 802.3af PoE Powered Device ControllersFEATURES APPLICATIONS• VoIP Phones• Fully Supports IEEE 802.3af Specification• WLAN Access Points• ..
TPS2375DRG4 ,IEEE 802.3af PoE Powered Device Controllers 8-SOIC -40 to 85MAXIMUM RATINGS(1)over operating free-air temperature range (unless otherwise noted) , voltages are ..
TPS2375PW ,IEEE 802.3af PoE Powered Device Controllersmaximum ratings” may cause permanent damage to the device. These are stress ratingsonly, and functi ..
TPS2375PW-1 ,IEEE 802.3af PoE Powered Device Controllers 8-TSSOP -40 to 85.Power UpRJ-45and1Detect Classify InrushTXPair Data toEthernet PHY2Class 3InputCurrentCurrentDF01S2 ..
TS83C51RC2-MCB , High Performance 8-bit Microcontroller
TS83C51RC2-MCB , High Performance 8-bit Microcontroller
TS83C51RC2-MCB , High Performance 8-bit Microcontroller
TS861AI ,RAIL TO RAIL MICROPOWER BICMOS COMPARATORSTS861TS862TS864RAIL TO RAILMICROPOWER BICMOS COMPARATORS ■ ULTRA LOW CURRENT CONSUMPTION PIN CONNE ..
TS861AIDT ,RAIL TO RAIL MICROPOWER BICMOS COMPARATORSELECTRICAL CHARACTERISTICSV = +2.7VCCT = 25°C (unless otherwise specified) ambSymbol Parameter ..
TS861AILT ,RAIL TO RAIL MICROPOWER BICMOS COMPARATORSELECTRICAL CHARACTERISTICSV = +5VCCT = 25°C (unless otherwise specified) ambSymbol Parameter M ..


TPS23757PW-TPS23757PWR
High Efficiency PoE Interface and DC/DC Controller
TPS23757 www.ti.com SLVS948D – JULY 2009 – REVISED NOVEMBER 2013 High Efficiency PoE Interface and DC/DC Controller The TPS23757 supports a number of input voltage 1FEATURES ORing options including highest voltage, external • Powers up to 13 W (Input) PDs adapter preference, and PoE preference. • Legacy and IEEE 802.3at Type 1 PDs The TPS23757 has an output flag indicating if an • Optimized for Isolated DC/DC Converters external wall adapter is active when used in • Supports High-Efficiency Topologies conjunction with ORing controls. The detection signature pin can also be used to force power from • Complete PoE Interface the PoE source off. Classification can be • Adapter ORing Support programmed to any of the defined types with a single • Programmable Frequency with Synch. resistor. • Robust 100 V, 0.5Ω Hotswap MOSFET The dc/dc controller features two complementary gate • Pin Compatible with TPS23754/6 drivers with programmable dead time. This simplifies design of highly-efficient flyback topologies or active- • –40°C to 125°C Junction Temperature Range clamp forward or flyback converters. The second gate • Industry Standard TSSOP-20 driver may be disabled if desired for single MOSFET topologies. The controller also features internal APPLICATIONS softstart, bootstrap startup source, current-mode compensation, and a 78% maximum duty cycle. A • IEEE 802.3at Type 1 Compliant Devices programmable and synchronizable oscillator allows • Video and VoIP Telephones design optimization for efficiency and eases use of • Access Points the controller to upgrade existing power supply designs. Accurate programmable blanking, with a • Security Cameras default period, simplifies the usual current- sense filter design trade-offs. DESCRIPTION The TPS23757 is a combined Power over Ethernet The TPS23757 has a 9 V converter startup, (PoE) powered device (PD) interface and current- permitting operation with 12 V wall adapters. mode dc/dc controller optimized specifically for isolated converters. The PoE interface supports the IEEE 802.3at standard for a type 1 PD, which is equivalent to the 13W standard of IEEE 802.3-2008. T1 CIN V OUT L OUT APb R APb_OUT DEN R APb D VC1 V PPD C V APb_OUT CLS V B M1 Adapter M2 Present and V V SS B Converter APD GATE R Running OB CTL CS D FRS A C GAT2 IZ T2 R APD1 TLV431 Optional C IO Interface Figure 1. High Efficiency Converter Using TPS23757 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. Copyright © 2009–2013, Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. From Ethernet From Ethernet Pairs 3,4 Pairs 1,2 Adapter 0.1 mF R APD2 58V R R CLS DEN R FRS RTN, COM V R DD DT ARTN DT VDD1 R BLNK BLNK C VB C VC R CS RCTL C CTL C OUT1 C OUT2 R FBL R FBU
ic,good price


TEL:86-533-2716050      FAX:86-533-2716790
   

©2020 IC PHOENIX CO.,LIMITED