DC290A-B

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DC290A-B is a type of evaluation board for DC/DC and AC/DC (off-line) SMPS power supplies. It can be used to evaluate and demonstrate the performance and characteristics of power supplies, and to facilitate the development of new power supplies. It can also be used in product testing and education and training.

The DC290A-B contains two output stages, a buck regulator and a push-pull boost regulator. The buck regulator is capable of supplying up to 1.5A of output current and it can be set from 0.9 to 5V in 0.1V increments. The push-pull boost regulator is capable of supplying up to 6A of output current and it can be set from 6 to 32V in 0.1V increments. The boards also feature a wide input voltage range, an adjustable over-temperature protection, and various fault-protection features.

The DC290A-B comes with an integrated oscilloscope, a digital voltmeter/ampere-meter and various test fixtures. This makes it possible to monitor various parameters of the power supply visually, as well as validate the performance or characteristics of the power supply. The boards can also be used to measure the load transient response, efficiency vs. load, rise and fall times, and over-temperature protection. Additionally, the boards are equipped with a fanless thermal management system that actively cools the system components.

The working principles of the DC290A-B is mainly based on the pulse-width modulation (PWM) technology. In this technology, the output voltage is regulated by controlling the duty cycle of the switching waveforms. By adjusting the duty cycle, the average voltage of the output can be adjusted. This principle works for both buck and boost regulators. Additionally, the boards also feature various protection circuits to protect the system against faults and over-temperature conditions.

In conclusion, the DC290A-B evaluation boards are ideal for testing and evaluating the performance and characteristics of power supplies. They are easy to set up, highly efficient, and feature an integrated thermal management system. The boards also feature various fault-protection circuits and an oscilloscope to monitor the system parameters visually. The DC290A-B evaluation boards are a great choice for power supply applications.

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