LTC4278CDKD

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The LTC4278CDKD is a versatile power management integrated circuit (PMIC) designed for use in Power Over Ethernet (PoE) Controllers. The IC provides a complete power management solution for a wide range of applications, including the remote powering of devices such as IP phones, wireless LAN access points, and cameras with 24V PoE supply.

The IC integrates both DC-DC buck and boost regulators, along with all the necessary protection and control circuitry. It can be used as a stand-alone PoE controller, or it can be combined with a controller to extend the range and flexibility of a system. The IC also supports fault detect and reporting capability, which can help prevent system failures due to overloads, shorts or other anomalies.

The LTC4278CDKD features two independent high-frequency DC-DC buck converters and two additional DC-DC boost converters. Each DC-DC converter provides high efficiency operation and supports up to 8A per converter. The IC also features over-voltage protection, over-current protection, under-voltage protection, and thermal shutdown for reliable system operation.

The IC also supports two independent Ethernet ports, each capable of delivering 15 Watts of power. It is capable of detecting and powering up to four Class 0, Class 1, Class 2, or Class 3 devices. The IC provides an output current limit of up to 8 A per port and output voltage of up to 30 VDC. With these features, the LTC4278CDKD is able to manage and optimize the power usage of up to four PoE-enabled devices.

The IC can be used in a wide range of applications, including industrial control, home automation, commercial lighting control, and surveillance systems. It is also suitable for use in a wide range of PoE applications, including VoIP phones, IP cameras, wireless access points, fire panels, and access control systems. The IC can be used to provide reliable and efficient power supply for complex and advanced networked systems.

The LTC4278CDKD is compatible with IEEE802.3af/at and PoE+. The IC also has the capability to detect and power up to four high-power POE class 0,1,2,or 3 devices. It also supports high-speed Ethernet data transmission, as well as power management, monitoring and protection functions. The IC also supports an Analog-to-Digital Converter (ADC) for monitoring the operating temperature and current.

The IC is a low-power and highly efficient solution for PoE applications. It features extensive kill control and power measurement features for maximum system efficiency. The LTC4278CDKD is also designed for high reliability and long system life, which makes it a great choice for many PoE applications.

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