LTC4257IS8-1#TRPBF

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LTC4257IS8-1#TRPBF is a single-port PoE controller that is DC/DC power optimized for industrial applications. It is designed for high-efficiency applications that require a wide range of current and voltage regulation. The device is rated for up to 24V @ 1.25A and can deliver up to 15W at the output. The device can also provide additional current for surge and transient current demands.

Application Field:

The LTC4257IS8-1#TRPBF is mainly used for Power Over Ethernet (PoE) controllers that regulate the power that is supplied to a device connected to an Ethernet cable. It can also be used in industrial applications where the voltage range of the power supply is 24V and the current can go up to 1.25A. This device can be used in remote or distributed power applications to provide the current or voltage needed to power up several devices.

Working Principle:

The LTC4257IS8-1#TRPBF is an integrated DC/DC converter with an adjustable output voltage and maximum power point. It has a wide input voltage range that allows the device to operate under different voltage levels. Additionally, its high-efficiency DC/DC converter topology is designed for reduced power dissipation and heat dissipation in tight environments. The regulator can also be configured for current limiting protection with adjustable current-limit settings from 0.2A to 1.25A.

Other features of this device include an internal ±2% accurate shunt at its output, a remote on/off controller, an adjustable softstart circuitry, a thermal shutoff protection, and a wide switching frequency range that allows for high efficiency operation. With its integrated power MOSFETs and its low-power operation, the LTC4257IS8-1#TRPBF helps to reduce the power consumption of a system.

In conclusion, the LTC4257IS8-1#TRPBF is a single-port PoE controller that is highly efficient and well-suited for industrial applications. It features a wide input voltage range, adjustable current limits and a soft start circuitry. Its high efficiency, low power and adjustable output voltage ranges make it an ideal choice for regulating the power supplied to Ethernet connected devices and distributed power solutions.

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