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    LTC4257 Price and Stock

    Analog Devices Inc LTC4257CS8-PBF

    IC POE CNTRL 1 CHANNEL 8SOIC
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey LTC4257CS8-PBF Tube 4,448 1
    • 1 $4.48
    • 10 $2.969
    • 100 $2.1353
    • 1000 $1.6817
    • 10000 $1.4954
    		Buy Now

    Rochester Electronics LLC LTC4257CDD-TRPBF

    LTC4257 - INTERFACE CONTROLLER
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey LTC4257CDD-TRPBF Bulk 2,500 169
    • 1 -
    • 10 -
    • 100 -
    • 1000 $1.78
    • 10000 $1.78
    		Buy Now

    Analog Devices Inc LTC4257IDD-PBF

    IC POE CNTRL 1 CHANNEL 8DFN
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey LTC4257IDD-PBF Tube 1,843 1
    • 1 $3.57
    • 10 $2.386
    • 100 $1.7625
    • 1000 $1.7625
    • 10000 $1.7625
    		Buy Now

    Analog Devices Inc LTC4257IS8-PBF

    IC POE CNTRL 1 CHANNEL 8SOIC
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey LTC4257IS8-PBF Tube 1,528 1
    • 1 $4.95
    • 10 $3.304
    • 100 $2.3941
    • 1000 $1.89972
    • 10000 $1.725
    		Buy Now

    Analog Devices Inc LTC4257CS8-TRPBF

    IC POE CNTRL 1 CHANNEL 8SOIC
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey LTC4257CS8-TRPBF Digi-Reel 805 1
    • 1 $4.48
    • 10 $2.969
    • 100 $2.1353
    • 1000 $1.6817
    • 10000 $1.6817
    		Buy Now
    LTC4257CS8-TRPBF Cut Tape 805 1
    • 1 $4.48
    • 10 $2.969
    • 100 $2.1353
    • 1000 $1.6817
    • 10000 $1.6817
    		Buy Now
    Find more LTC4257 price and stock on Findchips.com

    LTC4257 Datasheets (34)

    Part ECAD Model Manufacturer Description Curated Datasheet Type PDF
    LTC4257 Linear Technology IEEE 802.3af PD Power-Over-Ethernet Interface Controller Original PDF
    LTC4257-1 Linear Technology Power over Ethernet Interface Controller with Dual Current Limit Original PDF
    LTC4257CDD Linear Technology IEEE 802.3af PD Power over Ethernet Interface Controller; Package: DFN; No of Pins: 8; Temperature Range: 0°C to +70°C Original PDF
    LTC4257CDD#PBF Linear Technology IEEE 802.3af PD Power over Ethernet Interface Controller; Package: DFN; No of Pins: 8; Temperature Range: 0°C to +70°C Original PDF
    LTC4257CDD#TR Linear Technology IEEE 802.3af PD Power over Ethernet Interface Controller; Package: DFN; No of Pins: 8; Temperature Range: 0°C to +70°C Original PDF
    LTC4257CDD#TRPBF Linear Technology IEEE 802.3af PD Power over Ethernet Interface Controller; Package: DFN; No of Pins: 8; Temperature Range: 0°C to +70°C Original PDF
    LTC4257CDD-1 Linear Technology IEEE 802.3af PD power over ethernet interface controller with dual current limit. Original PDF
    LTC4257CDD-1#PBF Linear Technology IEEE 802.3af PD Power over Ethernet Interface Controller; Package: DFN; No of Pins: 8; Temperature Range: 0°C to +70°C Original PDF
    LTC4257CDD-1#TR Linear Technology IEEE 802.3af PD Power over Ethernet Interface Controller; Package: DFN; No of Pins: 8; Temperature Range: 0°C to +70°C Original PDF
    LTC4257CDD-1#TRPBF Linear Technology IEEE 802.3af PD Power over Ethernet Interface Controller; Package: DFN; No of Pins: 8; Temperature Range: 0°C to +70°C Original PDF
    LTC4257CS8 Linear Technology IEEE 802.3af PD Power over Ethernet Interface Controller; Package: SO; No of Pins: 8; Temperature Range: 0°C to +70°C Original PDF
    LTC4257CS8#PBF Linear Technology IEEE 802.3af PD Power over Ethernet Interface Controller; Package: SO; No of Pins: 8; Temperature Range: 0°C to +70°C Original PDF
    LTC4257CS8#TR Linear Technology IEEE 802.3af PD Power over Ethernet Interface Controller; Package: SO; No of Pins: 8; Temperature Range: 0°C to +70°C Original PDF
    LTC4257CS8#TRPBF Linear Technology IEEE 802.3af PD Power over Ethernet Interface Controller; Package: SO; No of Pins: 8; Temperature Range: 0°C to +70°C Original PDF
    LTC4257CS8-1 Linear Technology IEEE 802.3af PD power over ethernet interface controller with dual current limit. Original PDF
    LTC4257CS8-1#PBF Linear Technology IEEE 802.3af PD Power over Ethernet Interface Controller; Package: SO; No of Pins: 8; Temperature Range: 0°C to +70°C Original PDF
    LTC4257CS8-1#TR Linear Technology IEEE 802.3af PD Power over Ethernet Interface Controller; Package: SO; No of Pins: 8; Temperature Range: 0°C to +70°C Original PDF
    LTC4257CS8-1#TRPBF Linear Technology IEEE 802.3af PD Power over Ethernet Interface Controller; Package: SO; No of Pins: 8; Temperature Range: 0°C to +70°C Original PDF
    LTC4257IDD Linear Technology IEEE 802.3af PD Power over Ethernet Interface Controller; Package: DFN; No of Pins: 8; Temperature Range: -40°C to +85°C Original PDF
    LTC4257IDD#PBF Linear Technology IEEE 802.3af PD Power over Ethernet Interface Controller; Package: DFN; No of Pins: 8; Temperature Range: -40°C to +85°C Original PDF

    LTC4257 Datasheets Context Search

    Catalog Datasheet MFG & Type PDF Document Tags

    PA1646

    Abstract: PF0606 EFD20 EF12.6 PA1424NL LM5070 12v output pa1558nl 12V 18W flyback EFD15 5v PA1706NL
    Text: POE POWER TRANSFORMERS - IEEE802.3AF COMPLIANT - 1500VRMS ISOLATION, 33-57V INPUT, 200KHZ CM FLYBACK Customer Name Chipset ISL6844 LT1725 LT3803 LT3803 / LTC4267 / LTC4257 Unreleased MIC9130 LM5070/LM5020 LM5071/LM5072 SC4812 TPS2375/UCC3809 Pulse Part #


    Original     		PDF IEEE802 1500VRMS 3-57V 200KHZ ISL6844 LT1725 LT3803 LT3803 LTC4267 LTC4257 PA1646 PF0606 EFD20 EF12.6 PA1424NL LM5070 12v output pa1558nl 12V 18W flyback EFD15 5v PA1706NL

    lt 4257

    Abstract: C5750X7R2A225KT CTX02-15242 bel 188 transistor diode bridge LT 402 LTC4255 LTC4257 LTC4257CS8 SMAJ58A fuse Tyco
    Text: Electrical Specifications Subject to Change LTC4257 IEEE 802.3af PD Power-Over-Ethernet Interface Controller U FEATURES • ■ ■ ■ ■ ■ ■ ■ ■ DESCRIPTIO The LTC 4257 provides complete signature and power interface functions for a device operating in an IEEE


    Original     		PDF LTC4257 LTC4257 Interfac00V LTC4255 4257f lt 4257 C5750X7R2A225KT CTX02-15242 bel 188 transistor diode bridge LT 402 LTC4255 LTC4257CS8 SMAJ58A fuse Tyco

    LT4257

    Abstract: 42571 lt42571 DF01SA LTC4257-1 LTC4257CDD-1 LTC4257CS8-1 LTC4257IS8-1 SMAJ58A 4257I1
    Text: LTC4257-1 IEEE 802.3af PD Power over Ethernet Interface Controller with Dual Current Limit U FEATURES • ■ ■ ■ ■ ■ ■ ■ ■ DESCRIPTIO Complete Power Interface Port for IEEE 802 .3af Powered Devices PDs Onboard 100V, 400mA Power MOSFET Precision Dual Level Current Limit


    Original     		PDF LTC4257-1 400mA 16-Pin 42571fb LT4257 42571 lt42571 DF01SA LTC4257-1 LTC4257CDD-1 LTC4257CS8-1 LTC4257IS8-1 SMAJ58A 4257I1

    42571

    Abstract: 4257I1 DF01SA LTC4257-1 LTC4257CDD-1 LTC4257CS8-1 LTC4257IS8-1 SMAJ58A ltc4259 MA903
    Text: LTC4257-1 IEEE 802.3af PD Power over Ethernet Interface Controller with Dual Current Limit U FEATURES • ■ ■ ■ ■ ■ ■ ■ ■ DESCRIPTIO Complete Power Interface Port for IEEE 802 .3af Powered Devices PDs Onboard 100V, 400mA Power MOSFET Precision Dual Level Current Limit


    Original     		PDF LTC4257-1 400mA 42571fa 42571 4257I1 DF01SA LTC4257-1 LTC4257CDD-1 LTC4257CS8-1 LTC4257IS8-1 SMAJ58A ltc4259 MA903

    CTX02-15242

    Abstract: BAS21H LQLB DF01SA LTC4257 LTC4257CS8 SMAJ58A CTX-02-15242 lt 4257 bel T1A
    Text: LTC4257 IEEE 802.3af PD Power Over Ethernet Interface Controller U FEATURES • ■ ■ ■ ■ ■ ■ ■ ■ DESCRIPTIO Complete Power Interface Port for IEEE 802.3af Powered Devices PDs Onboard 100V, 400mA Power MOSFET Precision Inrush Current Limit


    Original     		PDF LTC4257 400mA LTC4257 LTC4255 4257f CTX02-15242 BAS21H LQLB DF01SA LTC4257CS8 SMAJ58A CTX-02-15242 lt 4257 bel T1A

    lt42571

    Abstract: LTC4259A
    Text: LTC4257-1 IEEE 802.3af PD Power over Ethernet Interface Controller with Dual Current Limit FEATURES • ■ ■ ■ ■ ■ ■ ■ U ■ DESCRIPTIO Complete Power Interface Port for IEEE 802 .3af Powered Devices PDs Onboard 100V, 400mA Power MOSFET Precision Dual Level Current Limit


    Original     		PDF LTC4257-1 400mA 16-Pin 42571fb lt42571 LTC4259A

    bel 188 transistor

    Abstract: tyco transformer DF01SA LTC4257 LTC4257CS8 SMAJ58A lt 4257 H2019 BEL 188 TRANSISTOR PIN CONFIGURATION PB2134
    Text: LTC4257 IEEE 802.3af PD Power over Ethernet Interface Controller U FEATURES • ■ ■ ■ ■ ■ ■ ■ ■ DESCRIPTIO Complete Power Interface Port for IEEE 802.3af Powered Devices PDs Onboard 100V, 400mA Power MOSFET Precision Input Current Limit


    Original     		PDF LTC4257 400mA LTC4257 4257fa bel 188 transistor tyco transformer DF01SA LTC4257CS8 SMAJ58A lt 4257 H2019 BEL 188 TRANSISTOR PIN CONFIGURATION PB2134

    lt4257

    Abstract: No abstract text available
    Text: LTC4257 IEEE 802.3af PD Power over Ethernet Interface Controller FEATURES • ■ ■ ■ ■ ■ ■ ■ U ■ DESCRIPTIO Complete Power Interface Port for IEEE 802.3af Powered Devices PDs Onboard 100V, 400mA Power MOSFET Precision Input Current Limit


    Original     		PDF LTC4257 400mA 16-Pin 4257fb lt4257

    ctx02-15242

    Abstract: pulse H2019 CTX-02-15242 "Power over Ethernet" "power sourcing equipment" H2019 application note
    Text: LTC4257-1 IEEE 802.3af PD Power over Ethernet Interface Controller with Dual Current Limit U FEATURES • ■ ■ ■ ■ ■ ■ ■ ■ DESCRIPTIO Complete Power Interface Port for IEEE 802 .3af Powered Devices PDs Onboard 100V, 400mA Power MOSFET Precision Dual Level Current Limit


    Original     		PDF LTC4257-1 400mA 1N4148 FMMT2222 C5750X7R2A225KT 1808GC102MAT C4532X5ROJ107 LQLB2518T1ROM H2019 ctx02-15242 pulse H2019 CTX-02-15242 "Power over Ethernet" "power sourcing equipment" H2019 application note

    LTC3825

    Abstract: LTC3825EFE DC959 LTC4257-1 LTC42571 "power sourcing equipment"
    Text: QUICK START GUIDE FOR DEMONSTRATION CIRCUIT 959 HIGH-POWER MULTI-OUTPUT SUPPLY WITH POE CONTROLLER LTC4257CDD-1/LTC3825EFE DESCRIPTION Demonstration circuit 959 is a high-power triple output 37.4W supply featuring the LTC3825 with the LTC4257-1. This board acts as a pre-standard high


    Original     		PDF LTC4257CDD-1/LTC3825EFE LTC3825 LTC4257-1. LTC4257-1 IEEE802 LTC3825. LTC3825, 37Vin 48Vin LTC3825EFE DC959 LTC42571 "power sourcing equipment"

    LTC4257-1

    Abstract: coupling transformer ethernet LT1737 LTC4257CS8-1 "power sourcing equipment"
    Text: QUICK START GUIDE FOR DEMONSTRATION CIRCUIT 671 POWER-OVER-ETHERNET INTERFACE CONTROLLER LTC4257CS8-1 DESCRIPTION Demonstration circuit 671 provides a complete IEEE 802.3af interface and isolated 3.3V power supply solution for use in PD Phone applications. The


    Original     		PDF LTC4257CS8-1 LT1737. LTC4257-1 LT1737 1500VDC. coupling transformer ethernet LTC4257CS8-1 "power sourcing equipment"

    LT4257

    Abstract: BEL 188 TRANSISTOR PIN CONFIGURATION bel 188 transistor 2N7002 MARKING br1 BRIDGE lt 4257 LTC1737 PIN DIAGRAM on pad for RJ45 1205 SO8 marking D3B
    Text: LTC4257 IEEE 802.3af PD Power over Ethernet Interface Controller U FEATURES • ■ ■ ■ ■ ■ ■ ■ ■ DESCRIPTIO Complete Power Interface Port for IEEE 802.3af Powered Devices PDs Onboard 100V, 400mA Power MOSFET Precision Input Current Limit


    Original     		PDF LTC4257 400mA 16-Pin 4257fb LT4257 BEL 188 TRANSISTOR PIN CONFIGURATION bel 188 transistor 2N7002 MARKING br1 BRIDGE lt 4257 LTC1737 PIN DIAGRAM on pad for RJ45 1205 SO8 marking D3B

    42673

    Abstract: negative voltage regulator, 48V 817 Opto isolator ZRL431 circuit of 5v from 220 ac without transformer H2019 ltc4267 p channel mosfet 100v Si3442DV "power sourcing equipment"
    Text: LTC4267-3 Power over Ethernet IEEE 802.3af PD Interface with Integrated Switching Regulator DESCRIPTIO U FEATURES n n n n n n n n n n n Complete Power Interface Port for IEEE 802 .3af Powered Device PD Onboard 100V, UVLO Switch Constant-Frequency 300kHz Operation


    Original     		PDF LTC4267-3 300kHz 16-Pin LTC4264 750mA LTC4267-1 400mA 200kHz 42673f 42673 negative voltage regulator, 48V 817 Opto isolator ZRL431 circuit of 5v from 220 ac without transformer H2019 ltc4267 p channel mosfet 100v Si3442DV "power sourcing equipment"

    ETH1-230LD

    Abstract: ETH1-230L pa1558nl pA1558 PIN DIAGRAM on pad for RJ45 LTC4259A LTC4264 DF1501S SMAJ58A IEEE 802.11n
    Text: LTC4264 High Power PD Interface Controller with 750mA Current Limit DESCRIPTION FEATURES • ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ Complete High Power PD Interface Controller IEEE 802.3af Compliant Onboard 750mA Power MOSFET Complementary Power Good Outputs


    Original     		PDF LTC4264 750mA 750mA LTC4263-1 LTC4267 400mA 200kHz 4264f ETH1-230LD ETH1-230L pa1558nl pA1558 PIN DIAGRAM on pad for RJ45 LTC4259A LTC4264 DF1501S SMAJ58A IEEE 802.11n

    340 opto isolator

    Abstract: adapter 12v,2A 5V,2A kelvin 1102 HD01 LTC4269-1 LTC4269C-1 LTC4269CDKD-1 LTC4269I-1 LTC4269IDKD-1 PA1558NL
    Text: LTC4269-1 IEEE 802.3at PD with Synchronous No-Opto Flyback Controller DESCRIPTION FEATURES n n n n n n n n n n n n The LTC 4269-1 is an integrated Powered Device PD controller and switching regulator intended for high power IEEE 802.3at and 802.3af applications. The


    Original     		PDF LTC4269-1 LTC4269-1 LTC4268-1 750mA LTC4269-2 100kHz 500kHz 42691fb 340 opto isolator adapter 12v,2A 5V,2A kelvin 1102 HD01 LTC4269C-1 LTC4269CDKD-1 LTC4269I-1 LTC4269IDKD-1 PA1558NL

    ETH1-230L

    Abstract: LTC4269CDKD-2 window regulator LTC4269-2 LTC4269C-2 LTC4269I-2 LTC4269IDKD-2 TLV431 mps 0522 step up DC DC 5v converter out 12V
    Text: LTC4269-2 IEEE 802.3at High Power PD and Synchronous Forward Controller with AUX Support Description Features n n n n n n n n n n n 25.5W IEEE 802.3at Compliant Type-2 PD PoE+ 2-Event Classification IEEE 802.3at High Power Available Indicator Integrated State-of-the-Art Synchronous Forward


    Original     		PDF LTC4269-2 100kHz 500kHz 200KHz 300kHz LTC4268-1 750mA 50kHz 250kHz LTC4269-1 ETH1-230L LTC4269CDKD-2 window regulator LTC4269-2 LTC4269C-2 LTC4269I-2 LTC4269IDKD-2 TLV431 mps 0522 step up DC DC 5v converter out 12V

    ST L1117

    Abstract: ST MICROELECTRONICS L1117 33 LM7905 TO-92 ENE CP2211 CP2211 TL496 equivalent cp2206 MC34153 L7805 SOT 89 transistor L7905
    Text: Technology for Innovators TM Standard Linear Products Cross-Reference Including Amplifiers, Comparators, Timers, Peripheral Drivers, Power Management Controllers, References, Regulators, Supervisors, Shunts, Transmitters and Receivers INTERFACE COMPARATORS


    Original     		PDF A011905 ST L1117 ST MICROELECTRONICS L1117 33 LM7905 TO-92 ENE CP2211 CP2211 TL496 equivalent cp2206 MC34153 L7805 SOT 89 transistor L7905

    LTC4259A

    Abstract: No abstract text available
    Text: LTC4259A Quad IEEE 802.3af Power over Ethernet Controller with AC Disconnect DESCRIPTIO FEATURES • ■ ■ ■ ■ ■ U ■ The LTC 4259A is a quad –48V Hot SwapTM controller designed for use in IEEE 802.3af compliant Power Sourcing Equipment PSE . It consists of four independent


    Original     		PDF LTC4259A LTC4259A LTC4257 400mA LTC4257-1 LTC4258 LTC4267 IEEE802

    K1A 494

    Abstract: No abstract text available
    Text: LTC4278 IEEE 802.3at PD with Synchronous No-Opto Flyback Controller and 12V Aux Support DESCRIPTION FEATURES n n n n n n n n n n n n n 25.5W IEEE 802.3at Compliant Type 2 PD 10V to 57V Auxiliary Power Input Shutdown Pin for Flexible Auxiliary Power Support


    Original     		PDF LTC4278 Pro00V 400mA 300kHz LTC4269-1 LTC4269-2 4278fc K1A 494

    Untitled

    Abstract: No abstract text available
    Text: LTC4267-1 Power over Ethernet IEEE 802.3af PD Interface with Integrated Switching Regulator DESCRIPTIO FEATURES • ■ ■ ■ ■ ■ ■ ■ ■ U ■ Complete Power Interface Port for IEEE 802 .3af Powered Device PD Onboard 100V, UVLO Switch Precision Dual Level Inrush Current Limit


    Original     		PDF LTC4267-1 16-Pin LTC4267 400mA 200kHz 42671f

    i2c/poe pse

    Abstract: LTC4271 "power sourcing equipment"
    Text: LTC4290/LTC4271 8-Port PoE/PoE+/LTPoE+ PSE Controller Features Description Eight Independent PSE Channels n Compliant with IEEE 802.3at Type 1 and 2 n Chipset Provides Electrical Isolation Reduced BOM Cost Eliminates up to 6 High Speed Opto-Couplers Eliminates Isolated 3.3V Power Supply


    Original     		PDF LTC4290/LTC4271 40-Lead LTC4290) 24-Leification, 100kHz 500kHz, 50kHz 250kHz, 429071fa com/LTC4290 i2c/poe pse LTC4271 "power sourcing equipment"

    LTC4259A

    Abstract: CMPD3003 IRFM120A LTC4257 LTC4257-1 LTC4259A-1 LTC4267 SMAJ58A marking g06 "Power over Ethernet"
    Text: LTC4259A-1 Quad IEEE 802.3af Power over Ethernet Controller with AC Disconnect DESCRIPTIO U FEATURES • ■ ■ ■ ■ ■ ■ The LTC 4259A-1 is a quad –48V Hot SwapTM controller designed for use in IEEE 802.3af compliant Power Sourcing Equipment PSE . It consists of four independent ports,


    Original     		PDF LTC4259A-1 259A-1 LTC4259A-1 LTC4257 400mA LTC4257-1 LTC4258 LTC4267 LTC4259A CMPD3003 IRFM120A LTC4257 LTC4257-1 LTC4267 SMAJ58A marking g06 "Power over Ethernet"

    LTC3825

    Abstract: PA2467NL PE-68386 HD01 LTC4264 LTC4265 LTC4265C LTC4265CDE LTC4265I LTC4265IDE
    Text: LTC4265 IEEE 802.3at High Power PD Interface Controller with 2-Event Classification Recognition FEATURES DESCRIPTION n The LTC 4265 is a 3rd generation Powered Device PD Interface controller intended for IEEE 802.3at high power Power-over-Ethernet (PoE) applications up to 25.5W. By


    Original     		PDF LTC4265 LTC4265 100mA theLTC4267-1 LTC4267-3 400mA 200KHz 300KHz LTC4268-1 LTC3825 PA2467NL PE-68386 HD01 LTC4264 LTC4265C LTC4265CDE LTC4265I LTC4265IDE

    10mH miniature inductor

    Abstract: dual poe pse injector DE14 LTC4263 LTC4263CDE LTC4263IDE SMAJ58A CAPACITOR 106 25K "Power over Ethernet" "power sourcing equipment"
    Text: LTC4263 Single IEEE 802.3af Compliant PSE Controller with Internal Switch DESCRIPTION FEATURES n n n n n n n n n n n n n IEEE 802 .3af Compliant Operation from a Single 48V Supply Fully Autonomous Operation without Microcontroller Internal MOSFET with Thermal Protection


    Original     		PDF LTC4263 14-Pin 400mA LTC4257-1 LTC4258 LTC4259A-1 LTC4267 4263fd 10mH miniature inductor dual poe pse injector DE14 LTC4263 LTC4263CDE LTC4263IDE SMAJ58A CAPACITOR 106 25K "Power over Ethernet" "power sourcing equipment"