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TPS23750TIN/a151avaiIEEE 802.3af PD Controller with Integrated DC/DC
TPS23750PWPTIN/a641avaiIEEE 802.3af PD Controller with Integrated DC/DC 20-HTSSOP -40 to 85
TPS23750PWPBB/TIN/a89avaiIEEE 802.3af PD Controller with Integrated DC/DC 20-HTSSOP -40 to 85
TPS23750PWPRTIN/a11000avaiIEEE 802.3af PD Controller with Integrated DC/DC 20-HTSSOP -40 to 85
TPS23750PWPRG4TIN/a42avaiIEEE 802.3af PD Controller with Integrated DC/DC 20-HTSSOP -40 to 85


TPS23750PWPR ,IEEE 802.3af PD Controller with Integrated DC/DC 20-HTSSOP -40 to 85maximum ratings may cause permanent damage to the device. These are stress ratingsonly and function ..
TPS23750PWPRG4 ,IEEE 802.3af PD Controller with Integrated DC/DC 20-HTSSOP -40 to 85SLVS590B–JULY 2005–REVISED FEBRUARY 2008(1) (2)RECOMMENDED OPERATING CONDITIONSAll voltage values a ..
TPS23753APWR ,IEEE 802.3-2005 PoE Interface and Isolated Converter Controller with Enhanced ESD Ride-Through 14-TSSOP -40 to 125 SLVS933C–JULY 2009–REVISED APRIL 20165 Product InformationPOE UVLO DC-DC UVLODEVICE DUTY CYCLEON / ..
TPS23753APWR ,IEEE 802.3-2005 PoE Interface and Isolated Converter Controller with Enhanced ESD Ride-Through 14-TSSOP -40 to 125Block Diagram... 114 Revision HistoryNOTE: Page numbers for previous revisions may differ from page ..
TPS23753PW ,IEEE 802.3-2005 PoE Interface and Isolated Converter and Controller 14-TSSOP -40 to 125ELECTRICAL CHARACTERISTICSUnless otherwise noted: CS = APD = CTL = RTN, GATE open, R = 60.4 kΩ, R = ..
TPS23753PW ,IEEE 802.3-2005 PoE Interface and Isolated Converter and Controller 14-TSSOP -40 to 125ELECTRICAL CHARACTERISTICS (continued)Unless otherwise noted: CS = APD = CTL = RTN, GATE open, R = ..
TS834-5I ,MICROPOWER VOLTAGE SUPERVISOR RESET ACTIVE LOW OR HIGH WITH INTEGRATED TIMERTS834 MICROPOWER VOLTAGE SUPERVISORRESET ACTIVE LOW OR HIGH WITH INTEGRATED TIMER.ULTRA LOW POWER ..
TS834-5ID ,MICROPOWER VOLTAGE SUPERVISOR RESET ACTIVE LOW OR HIGH WITH INTEGRATED TIMERABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit1)V 7VCC Supply Voltage V Output Voltage ..
TS834-5IDT ,MICROPOWER VOLTAGE SUPERVISOR RESET ACTIVE LOW OR HIGH WITH INTEGRATED TIMERTS834MICROPOWER VOLTAGE SUPERVISORRESET ACTIVE LOW OR HIGH INTEGRATED TIMER ■ ULTRA LOW POWER CONS ..
TS836-4IDT ,MICROPOWER VOLTAGE SUPERVISOR RESET ACTIVE HIGHTS836MICROPOWER VOLTAGE SUPERVISORRESET ACTIVE HIGH ■ ULTRA LOW POWER CONSUMPTION : 12μA m ..
TS83C51RC2-MCB , High Performance 8-bit Microcontroller
TS83C51RC2-MCB , High Performance 8-bit Microcontroller


TPS23750-TPS23750PWP-TPS23750PWPR-TPS23750PWPRG4
IEEE 802.3af PD Controller with Integrated DC/DC
TPS23750 TPS23770 www.ti.com SLVS590B–JULY 2005–REVISED FEBRUARY 2008 INTEGRATED 100-V IEEE 802.3af PD AND DC/DC CONTROLLER 1 FEATURES DESCRIPTION 2• Complete 802.3af PoE Interface – Features derived from the TPS2375 The TPS23750 integrates the functionality of the TPS2375 with a primary-side dc/dc PWM controller. – 100 V, 0.6 Ω Internal Pass MOSFET The designer can create a front-end solution for – Standard and Legacy UVLO Choices PoE-PD applications with minimum external – Fixed 140 mA Inrush Limit components. The TPS23770 is identical to the TPS23750 with the exception of the undervoltage • Primary Side DC/DC Converter Control lockout turn-on voltage, which is compatible with – Minimum External Component Count legacy systems. – Current Mode Control The PoE front end has all the necessary IEEE – Isolated and Non-Isolated Topologies 802.3af functions including detection, classification, – Programmable Operating Frequency undervoltage lockout and inrush control. The PoE input switch is integrated within the TPS23750. – Current Sense Leading-edge Blanking – 50% Duty Cycle Limiting The dc/dc controller section is designed to support flyback, forward, and nonsynchronous low-side switch – Voltage Output Error Amplifier buck topologies. • Internal PoE and Converter Sequencing The external switching MOSFET and current sense • Industry-Standard 20 Lead Package resistor provide flexibility in topology, power level, and • Industrial Temperature Range: –40°C to 85°C current limit. The full-featured dc/dc controller includes programmable soft start, hiccup type fault APPLICATIONS limiting, 50% maximum duty cycle, programmable • All PoE PD Devices Including: constant switching frequency, and a true voltage-output error amplifier. Additional protection – Wireless Access Points features provide for robust designs. – VoIP Phones – Security Cameras V DD DET CLASS Low Voltage Isolated V SS Output AUX COMP BL V MODE BIAS V BIAS V BIAS FREQ GATE TMR RSP TLV431 Figure 1. Typical Application 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. 2PowerPAD is a trademark of Texas Instruments. PRODUCTION DATA information is current as of publication date. Copyright © 2005–2008, Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. From Spare Pairs or From Ethernet Transformers Transformers 0.1 mF 5 8 V C BIAS R R CLASS DET C TMR RSN COM RTN T P S 2 3 7 5 0 SENP FB V DD SEN
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