PT78HT265V

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The PT78HT265V is a DC-DC converter designed to handle high power applications. It has a wide input voltage range of between 4V and 30V and provides a regulated output of 3.3V at up to 65A for a total output power of 213W. The PT78HT265V adopts a synchronous rectifier design to achieve high efficiency, with typically more than 92.5%. The device also features a number of protection features, such as short circuit protection, undervoltage lockout and thermal shutdown.

The PT78HT265V is based on a buck converter topology, which means that it takes in a DC voltage of higher voltage than its output and steps it down. This makes the DC-DC converter extremely versatile as it can be used to step up or step down depending on the application. The PT78HT265V uses a synchronous rectification technique to maximize efficiency and minimize power losses. In this method, both low-side and high-side transistors are turned on at the same time to allow current to flow directly from the input to the output. The transistors are then turned off in a synchronous fashion such that only one is conducting current at any given time, thereby reducing power losses.

The PT78HT265V also features a built-in current limiter which limits the output current to a safe level. This is an important safety feature in applications which require the converter to provide power safely even under fault conditions. The device also features undervoltage lockout and thermal shutdown features which shut down the converter in the event of an overload or an excessive temperature. This prevents damage to the converter and ensures a long operational life.

The PT78HT265V is suitable for use in a wide variety of applications, such as automotive, consumer electronics, industrial, LED lighting, telecom and medical. Due to its high power rating, it is particularly useful in high current applications, such as server PSUs, AC-DC adapters, notebook chargers and USB chargers, among others.

In conclusion, the PT78HT265V is a high power DC-DC converter that provides excellent performance, efficiency and protection features. It is suitable for a variety of applications in the automotive, consumer electronics, industrial, LED lighting, telecom and medical sectors.

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