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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LTC4263 датащи(PDF) 32 Page - Linear Technology |
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LTC4263 датащи(HTML) 32 Page - Linear Technology |
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32 / 32 page  LTC4270/LTC4271 32 42701f Linear Technology Corporation 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com ©LINEAR TECHNOLOGY CORPORATION 2011 LT 0411 • PRINTED IN USA RELATED PARTS PART NUMBER DESCRIPTION COMMENTS LTC4257-1 IEEE 802.3af PD Interface Controller Internal 100V, 400mA Switch, Dual Current Limit, Programmable Class LTC4263 Single IEEE 802.3af PSE Controller Internal FET Switch LTC4263-1 High Power Single PoE PSE Controller With Internal FET Switch LTC4265 IEEE 802.3at PD Interface Controller Internal 100V, 1A Switch, 2-Event Classification Recognition LTC4266 Quad IEEE 802.3at PoE PSE Controller With Programmable CUT/LIM, 2-Event Classification, and Port Current and Voltage Monitoring LTC4267 IEEE 802.3af PD Interface With Integrated Switching Regulator Internal 100V, 400mA Switch, Dual Inrush Current, Programmable Class LTC4267-1 IEEE 802.3af PD Interface With Integrated Switching Regulator Internal 100V, 400mA Switch, Programmable Class, 200kHz Constant Frequency PWM LTC4267-3 IEEE 802.3af PD Interface With Integrated Switching Regulator Internal 100V, 400mA Switch, Programmable Class, 300kHz Constant Frequency PWM LTC4269-1 IEEE 802.3af PD Interface With Integrated Flyback Switching Regulator 2-Event Classification, Programmable Class, Synchronous No-Opto Flyback Controller, 50kHz to 250kHz, Aux Support LTC4269-2 IEEE 802.3af PD Interface With Integrated Forward Switching Regulator 2-Event Classification, Programmable Class, Synchronous Forward Controller, 100kHz to 500kHz, Aux Support LTC4272 Single-chip 12-port IEEE 802.3at PoE PSE Controller With Programmable CUT/LIM, 2-Event Class, and Port Current and Voltage Monitoring LTC4278 IEEE 802.3af PD Interface With Integrated Flyback Switching Regulator 2-Event Classification, Programmable Class, Synchronous No-Opto Flyback Controller, 50kHz to 250kHz, 12V Aux Support LTC4274 Single IEEE 802.3at PoE PSE Controller With Programmable CUT/LIM, 2-Event Classification, and Port Current and Voltage Monitoring LTC4311 SMBus/ I2C Accelerator Improved I2C Rise Time, Ensures Data Integrity TYPICAL APPLICATION 0.01μF 200V 0.01μF 200V 1 2 3 4 5 6 7 8 RJ45 CONNECTOR 3.3V –54V 100Ω 100Ω T2 T3 3.3V –54V –54V ISOLATED ISOLATED GND –54V 100Ω 100Ω GP0 GP1 MID RESET MSD INT AUTO SCL AD0 AD1 AD2 AD3 AD6 DGND VEE VSSK CAP1 CAP2 DND DPD CND CPD DNA AGND DPA CNA CPA OUT12 OUT1 GATE1 SENSE1 GATE12 SENSE12 XIO0 XIO1 42701 F16 SDAIN SDAOUT LTC4271 LTC4270 VDD33 1μF 3.3V 0.1μF 1μF 1μF 2nF 2000V DTSS 1μF 100V X7R + >47μF SYSTEM BULK CAP S1B 1 11 12 2 T1 0.25Ω, 1% RS 0.22μF 100V X7R S1B FDMC3612 0.01μF 200V 0.01μF 200V 0.01μF 200V 0.01μF 200V 75Ω 75Ω 75Ω 75Ω 1 2 3 4 5 6 7 8 RJ45 CONNECTOR PHY (NETWORK PHYSICAL LAYER CHIP) |
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