X-On Electronics has gained recognition as a prominent supplier of LTC4257IS8#PBF Power Switch ICs - POE/LAN across the USA, India, Europe, Australia, and various other global locations. LTC4257IS8#PBF 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.

LTC4257IS8#PBF Analog Devices

LTC4257IS8#PBF electronic component of Analog Devices
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Part No.LTC4257IS8#PBF
Manufacturer: Analog Devices
Category: Power Switch ICs - POE/LAN
Description: Power Switch ICs - POE / LAN IEEE802.3af PD Interface Controller
Datasheet: LTC4257IS8#PBF 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)
400: USD 3.2788 ea
Line Total: USD 1311.52 
Availability - 0
MOQ: 400  Multiples: 1
Pack Size: 1
Availability Price Quantity
0
Ship by Thu. 28 Nov to Wed. 04 Dec
MOQ : 1
Multiples : 1
1 : USD 6.2441
25 : USD 4.1504
100 : USD 3.431
250 : USD 3.265
500 : USD 3.1912

0
Ship by Tue. 26 Nov to Thu. 28 Nov
MOQ : 1
Multiples : 1
1 : USD 6.8482
10 : USD 4.8422
50 : USD 4.5809
100 : USD 3.966
200 : USD 3.6213
500 : USD 3.237

   
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We are delighted to provide the LTC4257IS8#PBF 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 LTC4257IS8#PBF and other electronic components in the Power Switch ICs - POE/LAN category and beyond.

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LTC4257 IEEE 802.3af PD Power over Ethernet Interface Controller FEATURES DESCRIPTIO Complete Power Interface Port for IEEE 802.3af The LTC 4257 provides complete signature and power Powered Devices (PDs) interface functions for a device operating in an IEEE Onboard 100V, 400mA Power MOSFET 802.3af Power over Ethernet (PoE) system. The LTC4257 Precision Input Current Limit simplifies Powered Device (PD) design by incorporating Onboard 25k Signature Resistor the 25k signature resistor, the classification current source, Programmable Classification Current (Class 0-4) input current limit with thermal foldback, undervoltage Undervoltage Lockout lockout and power good signalling, all in a single 8-pin Smart Thermal Protection package. By incorporating a high voltage power MOSFET Power Good Signal onboard, the LTC4257 provides the system designer with Available in 8-Pin SO and Low Profile (3mm 3mm) reduced cost while also saving board space. DFN Packages The LTC4257 can interface directly with a variety of Linear Technology DC/DC converter products to provide a cost U effective power solution for IP phones, wireless access APPLICATIO S points and other PDs. Linear Technology also provides IP Phone Power Management solutions for Power Sourcing Equipment (PSE) applica- Wireless Access Points tions with quad network power controllers. Telecom Power Control The LTC4257 is available in the 8-pin SO and low profile (3mm 3mm) DFN packages. , LTC and LT are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. TYPICAL APPLICATIO LTC4257 Charging 300F Load Capacitor Powered Device (PD) V IN 50V/DIV LTC4257 V V OUT IN GND ~ + SMAJ58A 20V/DIV 48V FROM + SWITCHING 5F POWER SOURCING R CLASS 0.1F 100k DF01SA POWER SUPPLY MIN EQUIPMENT + (PSE) PWRGD SHDN I IN 3.3V ~ R CLASS RTN 200mA/DIV TO LOGIC V V IN OUT 4257 TA01 PWRGD 50V/DIV 5ms/DIV 4225 TA02 4257fb 1 U ULTC4257 ABSOLUTE AXI U RATI GS (Notes 1, 2) Operating Ambient Temperature Range V Voltage ............................................. 0.3V to 100V IN LTC4257C ............................................... 0C to 70C V , PWRGD Voltage ............. V + 100V to V 0.3V OUT IN IN LTC4257I............................................. 40C to 85C R Voltage ............................ V + 7V to V 0.3V CLASS IN IN Storage Temperature Range PWRGD Current .................................................. 10mA S8 Package....................................... 65C to 150C R Current .................................................. 100mA CLASS DD Package ...................................... 65C to 125C Lead Temperature (Soldering, 10 sec).................. 300C UUW PACKAGE/ORDER I FOR ATIO TOP VIEW TOP VIEW NC 1 8 GND R 2 7 NC NC 1 8 GND CLASS NC 3 6 PWRGD R 2 7 NC CLASS V 4 5 V IN OUT NC 3 6 PWRGD V 4 5 V IN OUT DD PACKAGE 8-LEAD (3mm 3mm) PLASTIC DFN S8 PACKAGE 8-LEAD PLASTIC SO T = 125C, = 43C/W JMAX JA T = 150C, = 150C/W EXPOSED PAD TO BE SOLDERED TO JMAX JA ELECTRICALLY ISOLATED PCB HEATSINK ORDER PART NUMBER S8 PART MARKING ORDER PART NUMBER DD PART MARKING* LTC4257CS8 4257 LTC4257CDD LACT LTC4257IS8 4257I LTC4257IDD Order Options Tape and Reel: Add TR Lead Free: Add PBF Lead Free Tape and Reel: Add TRPBF Lead Free Part Marking:

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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
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Dallas Semiconductor (VA)
HANSCHIP semiconductor
LINEAR
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Linear Technology (part of ADI)
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MAXIM INTEGRATED / ANALOG DEVICES
Maxim Integrated Products
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MX4
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Trinamic Motion Control
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