PTMA401120N1AD

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The PTMA401120N1AD is a DC/DC converter manufactured by TDK-Lambda, designed for use in applications requiring regulated and efficient power from a larger DC voltage source. The single output of this module provides a regulated output voltage of 12V dc at up to 40A with a wide 2:1 input range of 80-160V dc. This makes it suitable for a variety of industrial and communications applications, and the output adjustment allows a greater flexibility in power requirements.

The PTMA401120N1AD converter is a single output switching regulator module which takes advantage of switching technology to provide a highly efficient, regulated output voltage. The module works on the principle of buck-converter with an integrated transformer. The input voltage is applied to the primary winding of the transformer, and the output voltage is taken from the secondary winding which is configured so as to provide a regulated power supply for the desired output voltage. Internally, the converter is equipped with an internal reversed loop control circuit and optocoupler, which provides a stable output voltage when the input voltage is low.

The switching frequency of the module is set to 500kHz, and its high efficiency design enables it to achieve up to 97% efficiency with a low input voltage. In addition to its high efficiency, the PTMA401120N1AD also offers a high MTBF of >2.0 million hours in a single output mode, making it an excellent choice for reliability over long term operation. The operating temperature range is -40°C to 75°C, and the module has a wide range of protection features for overvoltage protection, input reverse polarity protection, as well as short circuit and over temperature protection.

The PTMA401120N1AD DC/DC converter is an ideal solution for providing regulated and highly efficient power to any application that requires a 12V output voltage from a large DC voltage source. The module is well suited for industrial and communications applications due to its wide operating temperature range, high efficiency, and exceptional level of protection. The adjustable output voltage further enhances its flexibility and makes it suitable for a variety of requirements.

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