LTC4269CDKD-1#TRPBF

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Controller (PD), DC/DC
Number of Channels:	1
Power - Max:	25.5W
Internal Switch(s):	Yes
Auxiliary Sense:	Yes
Standards:	802.3at (PoE+), 802.3af (PoE)
Voltage - Supply:	37.2 V ~ 60 V
Current - Supply:	1.35mA (Max)
Operating Temperature:	0°C ~ 70°C
Package / Case:	32-WFDFN Exposed Pad
Supplier Device Package:	32-DFN (7x4)
Base Part Number:	LTC4269

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Power over Ethernet (PoE) Controllers are used to allow Ethernet devices to obtain power and data from a single point. They are often thought of as the king of power management ICs because of their fast response, high levels of integration, and extremely accurate and reliable performance. The LTC4269CDKD-1#TRPBF is a PoE controller from Linear Technology Corporation which has been defined as the "definitive, single-chip standard for controlling and delivering Power over Ethernet”. The purpose of the LTC4269CDKD-1#TRPBF is to provide a safe, efficient and reliable way to transmit Power over Ethernet in a variety of applications. The LTC4269CDKD-1#TRPBF is a compact and highly integrated solution that helps to minimize the size and cost of designs while maximizing reliability, efficiency, and compliance with the PoE standard. It also allows for a wide range of applications, including cameras, sensors, industrial equipment, monitoring and tracking devices, medical and security systems, as well as powering virtual reality device. The LTC4269CDKD-1#TRPBF offers an optional integrated PoE power delivery controller, which complies with the IEEE802.3af and 802.3at standards. It operates at 1.6A high current capability, adjustable power profile, and fast communication. In addition, the LTC4269CDKD-1#TRPBF can work efficiently with either isolated or non-isolated DC/DC supplies. This allows devices to remain powered without being connected directly to the network. The LTC4269CDKD-1#TRPBF is designed to perform a wide range of power management functions, including over-current protection, voltage-mode control, bit-rate and packet-rate shaping, and power-fail protection. The host processor can access the various power management functions and parameters directly through embedded registers. This allows for easy configuration, thereby minimizing the need for host processor firmware updates. The application field of the LTC4269CDKD-1#TRPBF includes medical and security systems, industrial equipment, data centers, as well as powering virtual reality devices. The integrated PoE power delivery controller is compliant with the IEEE802.3af and 802.3at standards, and operates at a 1.6A high current capability with an adjustable power profile. The controller includes over-current protection, voltage-mode control, bit-rate and packet-rate shaping, and power-fail protection. Moreover, it is capable of working with both isolated and non-isolated DC/DC supplies. In summary, the LTC4269CDKD-1#TRPBF is a versatile PoE controller which is highly integrated, powerful, and reliable enough to meet the power management needs of a variety of devices and applications. Its comprehensive power management functions, wide operating temperature range, and low power consumption make it an ideal solution for many types of applications.

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