MDCD28AP120M320A50

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The MDCD28AP120M320A50 is an evaluation board used to provide DC/DC and AC/DC off-line switching power supply. The board is designed to make power device drawings, demonstration of power stage characteristics, and verification of power output performance. It is a two-stage power supply solution that takes a wide input voltage range, allowing a DC power source (48 VDC –380 VDC) to be used to convert it into a DC and AC output voltage. In the first stage, the DC-DC converter stage, the input voltage is regulated via an auxiliary supply, with the second stage using a full-bridge rectifier with a filter capacitor to get the desired DC and AC voltage output.

The board is built to demonstrate the power of a DC-DC converter stage and a full bridge rectifier stage. It is capable of providing an output power of 28 watts with an efficiency of up to 80%. The series capacitor circuit, capacitive and inductive element, the analog error amplifier and the voltage regulator in the auxiliary supply stages are all set up to help maintain output voltage stability. The board also features different interface options like I2C, SPI, as well as CANbus and USB connections for ease of access.

The board is used to provide OEMs with information on the power supply performance for a wide variety of applications. The MDCD28AP120M320A50 can be used for design automation, audio/video, consumer, automotive, LED lighting and industrial applications. It is also used to measure the output accuracy and stability of various power supplies during testing in the lab. With its robustness and high efficiency, the board can be used in a wide range of applications where a reliable power output is critical.

The working principle of the MDCD28AP120M320A50 is simple. The input voltage is first regulated via an auxiliary supply before it’s sent to the DC-DC converter stage. This stage is then used to convert the input voltage into the desired DC and AC output voltage. The full bridge rectifier with the filter capacitor follows, further smoothing and filtering the current before it reaches the load. The series capacitor circuit and inductive elements further help to provide better current stability. The analog error amplifier is used to monitor and adjust the output voltage, while the voltage regulator is used to precisely maintain the output voltage.

The board offers various protection features to prevent it from damages from overload, over voltage and short circuit. Also the EMI filter helps to reduce noise and interference. The board also comes with a diagnostic system that enables it to monitor and evaluate the power supply’s performance. These features make the MDCD28AP120M320A50 a reliable and affordable power solution for different applications.

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