JTH1548S15 Power Supplies - Board Mount

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DC-DC Converters

A DC-DC converter is an electronic device which increases or decreases a DC voltage, providing electrical isolation along with a controlled output voltage. DC-DC converters play an important role in many electronic and battery-operated systems, making it possible to use a variety of power sources while ensuring compatibility with the connected device. The JTH1548S15 is a type of DC-DC converter that provides buck, boost, buck-boost and inverting operation.

Application Field of the JTH1548S15

The JTH1548S15 DC-DC converter is designed to make it possible to operate at low output down to 0V at no load with a very low output ripple and high efficiency, even with a wide input range. This makes it ideal for use in many applications, especially those with systems that require isolated and extremely low-voltage outputs. Examples include automotive electronics, telecom equipment, digital media, HVAC systems, imaging and data acquisition systems, backlighting, portable devices, power harvesting systems, industrial systems, and more.

Working Principle of the JTH1548S15

The JTH1548S15 DC-DC converter works in two-stage topology. During the first stage, the converter first steps down the input voltage to an intermediate voltage. This is done through the main switch which is located between the input and output, and the synchronous rectifier. In the second stage, the intermediate voltage is then transformed to the desired output voltage. This stage is achieved by the output rectifier and the output regulator. With its reliable components, the JTH1548S15 provides better control over the regulated output voltage and greater efficiency throughout the conversion process.

General Features of the JTH1548S15

Along with its two-stage topology, the JTH1548S15 DC-DC converter also includes a variety of other features. These features include: Switched-mode topology; input voltage range (2.7V-6.5V); output voltage range (from 0-5V); output current (up to 300mA); output ripple voltage (less than 150mVpp); full load efficiency (up to 92%); soft-start capability; tight feedback regulation; and over-current protection function.

Conclusion

The JTH1548S15 DC-DC converter is a robust and reliable device that can be used in a variety of applications. Its two-stage topology and wide range of features make it ideal for providing isolated and extremely low-voltage output with a low ripple voltage and high efficiency. Additionally, its wide input range and output voltage capabilities make it suitable for a range of systems. This makes the JTH1548S15 an excellent choice for any DC-DC requirements.

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