X-On Electronics has gained recognition as a prominent supplier of LTC4268IDKD-1#TRPBF Power Switch ICs - POE/LAN across the USA, India, Europe, Australia, and various other global locations. LTC4268IDKD-1#TRPBF Power Switch ICs - POE/LAN are a product manufactured by Analog Devices. We provide cost-effective solutions for Power Switch ICs - POE/LAN, ensuring timely deliveries around the world.

LTC4268IDKD-1#TRPBF Analog Devices

LTC4268IDKD-1#TRPBF electronic component of Analog Devices
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Part No.LTC4268IDKD-1#TRPBF
Manufacturer: Analog Devices
Category: Power Switch ICs - POE/LAN
Description: Power Switch ICs - POE/LAN EEE 802.3af High Power PD with Synchronous NoOpto Flyback Controller
Datasheet: LTC4268IDKD-1#TRPBF Datasheet (PDF)
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges



Price (USD)
1: USD 6.2983 ea
Line Total: USD 6.3 
Availability - 0
MOQ: 1  Multiples: 2500
Pack Size: 2500
   
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We are delighted to provide the LTC4268IDKD-1#TRPBF from our Power Switch ICs - POE/LAN category, at competitive rates not only in the United States, Australia, and India, but also across Europe and beyond. A long established and extensive electronic component distribution network has enhanced our global reach and dependability, ensuring cost savings through prompt deliveries worldwide. Client satisfaction is at the heart of our business, where every component counts and every customer matters. Our technical service team is ready to assist you. From product selection to after-sales support, we strive to deliver a seamless and satisfying experience. Are you ready to experience the best in electronic component distribution? Contact X-ON Electronics today and discover why X-On are a preferred choice for the LTC4268IDKD-1#TRPBF and other electronic components in the Power Switch ICs - POE/LAN category and beyond.

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LTC4268-1 High Power PD With Synchronous No-Opto Flyback Controller Fea T Descrip T n Robust 35W PD Front End The LTC 4268-1 is an integrated Powered Device (PD) n IEEE 802.3af Compliant controller and switching regulator intended for IEEE 802.3af n Rugged 750mA Power MOSFET With Precision Dual and high power PoE applications up to 35W. By including Level Current Limit a precision dual current limit, the LTC4268-1 keeps inrush n High Performance Synchronous Flyback Controller below IEEE 802.3af current limit levels to ensure interop- n IEEE Isolation Obtained Without an Opto-Isolator erability success while enabling high power applications n Adjustable Frequency from 50kHz to 250kHz with a 750mA operational current limit. n Tight Multi-Output Regulation With Load The LTC4268-1 synchronous, current-mode, flyback Compensation controller generates multiple supply rails in a single n Onboard 25k Signature Resistor conversion providing for the highest system efficiency n Programmable Classification Current to 75mA while maintaining tight regulation across all outputs. The n Complete Thermal and Over-Current Protection LTC4268-1 includes Linear Technologys patented No-Opto n Available in Compact 32-Pin 7mm 4mm DFN feedback topology to provide full IEEE 802.3af isolation Package without the need of opto-isolator circuitry. a T The oversized power path and high performance flyback controller of the LTC4268-1 combine to make the ultimate n VoIP Phones With Advanced Display Options solution for power hungry PoE applications such as WAPs, n Dual-Radio Wireless Access Points PTZ security cameras, RFID readers and ultra-efficient n PTZ Security Cameras 802.3af applications running near the 12.95W limit. n RFID Readers n The LTC4268-1 is available in a space saving 32-pin DFN Industrial Controls n package. Magnetic Card Readers n High Power PoE Systems L, LT, LTC, LTM and SwitcherCAD are registered trademarks and LTPoE++ and ThinSOT are trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. Protected by U.S. Patents including 5841643. Typical a T 35W High Efficiency PD Solution 3.3V + 470F 5F 100pF 4 BAS21 28.7k T1 47k 1% 47 T1 56 SMAJ58A 20 100k B0540W DF1501S 3.01k FMMT618 1% 47F ~ + Si4490DY Si7336ADP 54V FROM DATA PAIR ~ FMMT718 + 0.1F V PWRGD PWRGD UVLO I V FB PG SENSE PORTP LIM EN CC DF1501S 1F 0.02 SHDN ~ + 54V FROM SPARE PAIR ~ SENSE 15 LTC4268-1 330 R CLASS SG 0.1F 2.2nF V CMP T2 V V PGDLY t SYNC R ENDLY OSC GND SFST C PORTN NEG ON CMP CMP 10nF R 12k 169k 100k 10k CLASS BAT54 T1: PA1477NL 20k 47pF T2: PA0184 42681 TA01a 0.033F 42681fc 1 + ion pplica ions pplica ion uresLTC4268-1 a Te Maxi Mu M r a T p c F T (Notes 1, 2) TOP VIEW V Voltage .......................................... 0.3V to 90V PORTN SHDN 1 32 V PORTP V Voltage ..................V + 90V to V 0.3V NEG PORTN PORTN NC 2 31 NC V to GND Voltage (Note 3) CC R 3 30 PWRGD CLASS Low Impedance Source ......................... 0.3V to 18V I 4 29 PWRGD LIM EN Current Fed ..........................................30mA into V CC V 5 28 V PORTN NEG R , I Voltage ..V + 7V to V 0.3V CLASS LIM EN PORTN PORTN V 6 27 V PORTN NEG SHDN Voltage ...............V + 90V to V 0.3V PORTN PORTN V 7 26 V PORTN NEG PWRGD Voltage (Note 3) NC 8 25 NC 33 Low Impedance Source .... V + 11V to V 0.3V NEG NEG SG 9 24 PG Current Fed ..........................................................5mA V 10 23 PGDLY CC PWRGD Voltage ............V + 80V to V 0.3V t 11 22 R PORTN PORTN ON CMP PWRGD Current .....................................................10mA ENDLY 12 21 C CMP SYNC 13 20 SENSE+ R Current ....................................................100mA CLASS + SFST 14 19 SENSE SENSE , SENSE Voltage ........................ 0.5V to +0.5V OSC 15 18 UVLO UVLO, SYNC Voltage ...................................0.3V to V CC FB 16 17 V CMP FB Current ..............................................................2mA V Current ......................................................... 1mA CMP DKD32 PACKAGE 32-LEAD (7mm 4mm) PLASTIC DFN Operating Ambient Temperature Range (Notes 4, 5) T = 150C, = 49C/W, = 4.7C/W JMAX JA JC LTC4268-1C ............................................. 0C to 70C EXPOSED PAD (PIN 33) MUST BE SOLDERED TO HEAT SINKING PLANE THAT IS ELECTRICALLY CONNECTED TO GND LTC4268-1I ..........................................40C to 85C Junction Temperature (Note 5) ............................. 150C Storage Temperature Range .................. 65C to 150C o r D i n F Ma T LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE LTC4268CDKD-1 PBF LTC4268CDKD-1 TRPBF 42681 32-Lead (7mm 4mm) Plastic DFN 0C to 70C LTC4268IDKD-1 PBF LTC4268IDKD-1 TRPBF 42681 32-Lead (7mm 4mm) Plastic DFN 40C to 85C LEAD BASED FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE LTC4268CDKD-1 LTC4268CDKD-1 TR 42681 32-Lead (7mm 4mm) Plastic DFN 0C to 70C LTC4268IDKD-1 LTC4268IDKD-1 TR 42681 32-Lead (7mm 4mm) Plastic DFN 40C to 85C Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. For more information on lead free part marking, go to:

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8542.31.00 51 No ..Application Specific (Digital) Integrated Circuits (ASIC)

Electronic integrated circuits: Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits
Monolithic integrated circuits:
ANALOG DEVICES
Analog Devices Hittite
ANALOG DEVICES (LINEAR TECHNOLOGY)
ANALOG DEVICES (MAXIM INTEGRATED)
ANALOG DEVICES (TRINAMIC)
Analog Devices / Hittite
Analog Devices / Linear Technology
Analog Devices Inc
Analog Devices Inc.
Analog Devices Inc./Maxim Integrated
Analog Devices, Inc.
DA4
Dallas
DALLAS / MAXIM
Dallas Semiconductor (VA)
HANSCHIP semiconductor
LINEAR
LINEAR TECH
Linear Technology
Linear Technology (part of ADI)
LT
LT4
MAXIM
Maxim Integrated
MAXIM INTEGRATED / ANALOG DEVICES
Maxim Integrated Products
MAXIM-DALLAS
MX4
Technology
Trinamic
TRINAMIC / ANALOG DEVICES
Trinamic Motion Control
Trinamic Motion Control GmbH
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