以太网供电 (PoE) 接口控制器

凌力尔特提供的热插拔控制器IC可限制浪涌电流、在正常操作期间实施电流限制，并提供了其他的监控功能。其应用包括 -48V 或 +48V 电信和网络、以太网供电 (PoE)、ATCA、PCI、CompactPCI 和低电压电源排序。

Product	Channels (#)	PSE/PD	PoE Type	Max Power (W)	IEEE-Compliant Detection	IEEE-Compliant Classification	IEEE-Compliant Disconnection	Packages
LT4275	1	PD	1, 2, LTPoE++	90	Yes (Internal 25k resistor)	One Event, Two Event	N/A	MS-10, DFN-10
LTC4257	1	PD	1	13	Yes (Internal 25k resistor)	One Event	N/A	SO-8, DFN-8
LTC4257-1	1	PD	1	13	Yes (Internal 25k resistor)	One Event	N/A	SO-8, DFN-8
LTC4263	1	PSE	1	12.95	2-Point	One Event	DC or AC	SO-14, DFN-14
LTC4263-1	1	PSE	-	30	2-Point	One Event	DC or AC	SO-14, DFN-14
LTC4265	1	PD	2	25.5	Yes (Internal 25k resistor)	One Event, Two Event	N/A	DFN-12
LTC4266	4	PSE	2	25.5	4-Point	One Event, Two Event	DC	QFN-38,SSOP-36
LTC4266A_C	4	PSE	LTPoE++	90	4-Point	One Event, Two Event, LTPoE++	DC	QFN-38
LTC4266A_C	4	PSE	1	13	4-Point	One Event	DC	QFN-38
LTC4267	1	PD	1	13	Yes (Internal 25k resistor)	One Event	N/A	SSOP-16, DFN-16
LTC4267-1	1	PD	1	13	Yes (Internal 25k resistor)	One Event	N/A	SSOP-16
LTC4267-3	1	PD	1	13	Yes (Internal 25k resistor)	One Event	N/A	SSOP-16
LTC4269-1	1	PD	2	25.5	Yes (Internal 25k resistor)	One Event, Two Event	N/A	DFN-32
LTC4269-2	1	PD	2	25.5	Yes (Internal 25k resistor)	One Event, Two Event	N/A	DFN-32
LTC4270	12	PSE	1, 2, LTPoE++	90	4-Point	One Event, Two Event, LTPoE++	DC	QFN-52, QFN-24
LTC4274	1	PSE	2	25.5	4-Point	One Event, Two Event	DC	QFN-38
LTC4274A_C	1	PSE	1, 2, LTPoE++	90	4-Point	One Event, Two Event, LTPoE++	DC	QFN-38
LTC4274A_C	1	PSE	1	13	4-Point	One Event	DC	QFN-38
LTC4278	1	PD	2	25.5	Yes (Internal 25k resistor)	One Event, Two Event	N/A	DFN-32
LTC4290	8	PSE	1, 2	25.5	4-Point	One Event, Two Event	DC	QFN-40, QFN-24

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