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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LTC4271 датащи(PDF) 30 Page - Linear Technology |
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LTC4271 датащи(HTML) 30 Page - Linear Technology |
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30 / 30 page  LTC4266A/LTC4266C 30 4266acfc 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 0812 REV C • PRINTED IN USA RELATED PARTS PART NUMBER DESCRIPTION COMMENTS LTC4270/LTC4271 12-Port PoE/PoE+/LTPoE++ PSE Controller Transformer Isolation, Supports Type 1, Type 2 and LTPoE++ PDs LTC4266 Quad IEEE 802.3at PoE PSE Controller 2-Event Classification, Programmable ICUT/ILIM LTC4274 Single IEEE 802.3at PoE PSE Controller 2-Event Classification, Programmable ICUT/ILIM LTC4274A/LTC4274C Single IEEE 802.3at PoE PSE Controller 13W through 90W Support LTC4265 IEEE 802.3at PD Interface Controller 100V, 1A Internal Switch, 2-Event Classification Recognition LTC4267 IEEE 802.3af PD Interface with Integrated Switching Regulator Internal 100V, 400mA Switch, Dual Inrush Current, Programmable Class LTC4269-1 IEEE 802.3at PD Interface with Integrated Flyback Switching Regulator 2-Event Classification, Programmable Classification, Synchronous No-Opto Flyback Controller, 50kHz to 250kHz, Auxiliary Support LTC4269-2 IEEE 802.3at PD Interface with Integrated Forward Switching Regulator 2-Event Classification, Programmable Classification, Synchronous Forward Controller, 100kHz to 500kHz, Auxiliary Support LTC4278 IEEE 802.3at PD Interface with Integrated Flyback Switching Regulator 2-Event Classification, Programmable Classification, Synchronous No-Opto Flyback Controller, 50kHz to 250kHz, 12V Auxiliary Support Figure 17. One Complete Isolated Powered Ethernet Port TYPICAL APPLICATION 4266AC F17 1 2 3 4 5 6 7 8 2k 2k 1μF 100V X7R 0.1μF 0.1μF 200Ω 200Ω 200Ω 200Ω U2 U3 U1 HCPL-063L HCPL-063L VDD CPU SCL SDA GND CPU INTERRUPT PHY (NETWORK PHYSICAL LAYER CHIP) 0.22μF 100V X7R VEE SENSE GATE OUT VDD SCL SDAIN SDAOUT INT RS 0.25Ω Q1 T1 1/4 LTC4266 DGND AGND –48V ISOLATED SMAJ58A S1B ISOLATED 3.3V ISOLATED GND 0.01μF 200V 0.01μF 200V 0.01μF 200V 0.01μF 200V 75Ω 75Ω 75Ω 75Ω RJ45 CONNECTOR 1000pF 2000V FB1 FB2 S1B |
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