PTH04T261WAD

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DC-DC converters are electronic devices that allow the conversion of a direct current (DC) input voltage to a different DC output voltage. They are often used for and commonly found in a wide range of applications, such as automotive applications, telecommunications and instrumentation. The PTH04T261WAD is an example of a DC-DC converter product that can be used in those and other applications. This article will discuss the application field of this device, as well as its working principle.

Application Field

The PTH04T261WAD is a non-isolated buck step-down DC-DC converter that operates from a wide input voltage range of 18-36V and can provide up to a maximum output power of up to 40W. It can provide very stable and accurate output by using a design that includes an output voltage feedback control loop with a precision voltage reference. This product is ideal for automotive and industrial applications, primarily because it is designed for low noise, low ripple, and high efficiency with its synchronous rectification.

Due to the device\'s wide operating voltage range, it can be used in various applications where the input voltage range varies from the 12V automotive systems to the 24V industrial or telecom applications. The PTH04T261WAD also supports a wide range of output voltage ranges, starting from 0.6V with a maximum of 26V. As a result, it can also be used in portable devices, LCD and LED backlighting systems, Set Top Boxes, Network and Server power supplies, or any other stationary application that requires stable and efficient power. Furthermore, this device also offers an adjustable switching frequency of up to 1MHz, making it more convenient for the user to control the device\'s performance.

Working Principle

The PTH04T261WAD takes the input voltage range of 18-36V and converts it to a much more efficient and safer output voltage range of 0.6V-26V with maximum output power of up to 40W. This is done through a synchronous rectifying buck converter design, which makes use of a voltage feedback loop with a precision voltage reference. This allows the device to regulate the output voltage to a high degree of accuracy and provide a stable output over different input voltage ranges.

The device also includes some advanced features which make it more efficient and adaptive to a wider range of applications, such as an adjustable switching frequency, pulse-by-pulse current limit control, temperature shutdown, as well as internal soft-start. The adjustable switching frequency feature is particularly useful since it allows the user to choose the frequency of operation. This can be used to optimize the design and efficiency of the application depending on the needs.

Overall, the PTH04T261WAD provides a high level of performance for an extensive range of input and output voltages, making it suitable for a wide variety of applications. Its synchronous rectification design and advanced features enable it to deliver a highly efficient performance for optimal operation.

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