PDS2-S5-S12-M-TR Power Supplies - Board Mount

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DC DC Converters

DC-DC converters are energy conversion devices that are used to convert one type of DC power into another. Their primary application is to convert a higher voltage at a lower current to a lower voltage at a higher current. Additionally, they are often used to isolate signals from the power source, allowing for noise isolation, and signal transformation.

One type of DC-DC converter, known as the PDS2-S5-S12-M-TR, is a pulse-width modulation (PWM) converter. It is designed to generate an output of 12VDC at a maximum output current of 5A. It is a synchronous flyback converter that features low EMI emissions and low power loss, and is designed for medium power applications.

Application Field and Working Principle

The PDS2-S5-S12-M-TR is used in a variety of applications, such as power electronic systems, telecommunication networks, AV equipment, medical products, industrial machinery, and LED lighting. Its applications are limited only by its output requirements, which are a maximum 12VDC at 5A.

It works on the principle of a synchronized flyback converter, where the primary coil of the transformer is powered by a signal from a pulse width modulator (PWM) and the secondary coil of the transformer produces the desired output voltage. The waveform of the signal from the PWM is determined by the desired output voltage and the output current. As the output voltage and current increase, the signal from the PWM becomes stronger. Conversely, as the output voltage and current decrease, the signal from the PWM becomes weaker.

In addition to its output requirements, the PDS2-S5-S12-M-TR also features a wide working temperature range of -40 to +85 degrees Celsius. This allows it to be used in a variety of environments where temperature fluctuations may be present, including medical, defense, industrial, and automotive systems. Furthermore, it has a very high efficiency of over 95%, as well as a MOSFET switching frequency of 300kHz.

The output of the PDS2-S5-S12-M-TR is isolated from the input, and it can be used for various medium power applications such as LED lighting, power tools, motor controllers, and medical equipment. As a DC-DC converter, its primary purpose is to convert a higher voltage at a lower current to a lower voltage at a higher current.

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