PM05S090A

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DC to DC converters are devices used to transform direct current (DC) from one voltage level to another. While there are a wide variety of different types of these converters, they all work in a similar fashion. In this article, we will be discussing the application field and working principle of the PM05S090A in particular.

Application Field

The PM05S090A is a contactless switchmode power supply designed for usage in highly demanding and complex applications, such as those found in the aerospace and defense industries. It is uniquely suited to high power applications ranging from 10W to 90W due to its many desirable features. These features include a wide input range (3V to 48V DC), high conversion efficiency of up to 97%, and a very long lifetime of up to 1 million rated hours. This is all handled in an incredibly small form factor with a 350kHz switching frequency and an operating temperature ranging from -40°C up to +105°C.

Working Principle

The PM05S090A works using a switchmode power supply operating principle. This consists of a combination of switching and control circuits that convert a DC voltage from one voltage level to another. By utilizing an internal control chip, the converter is able to switch quickly and accurately between input and output states. This allows it to easily step up or step down the voltage as needed. The efficiency of the converter is also improved due to the components generating less heat during conversion, thus reducing energy loss.

A main component in this process is a transformer. It takes the incoming voltage and transforms it into an output voltage. This is accomplished by the alternating current (AC) that passes through the transformer’s primary winding, creating a magnetic field. This magnetic field then induces a voltage on the secondary winding, which is then rectified into the correct DC voltage by a rectifier. This rectified voltage is then filtered to create a steady DC voltage that is then regulated to the desired output level by an internal control element.

The overall efficiency achieved by the PM05S090A is impressive due to its ability to switch quickly and accurately, as well as its adaptability to wide input voltage ranges. This makes the converter particularly useful in applications where fast and accurate voltage conversion is needed.

Conclusion

The PM05S090A is a DC to DC converter that is capable of highly efficient conversions between direct current in the range of 3V to 48V. It is designed specifically for usage in complicated high power applications and boasts features such as an incredibly small form factor, wide input range, high conversion efficiency, and long operating lifetime. The PM05S090A is capable of achieving this impressive performance due to its switchmode power supply operating principle, which works by utilizing an internal control chip, transformer, rectifier, and control elements to step up or step down the voltage.

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