DC862A-B

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The DC862A-B is one of the most commonly used and versatile evaluation boards in the DC/DC & AC/DC (Off-Line) SMPS (Switched Mode Power Supply) category. It is designed to help designers evaluate, prototype and develop new designs quickly and efficiently. Its features include a wide input voltage range, low input and output ripple, low output noise, high efficiency, and low external component count.

The DC862A-B has several distinct application fields. It is well-suited for evaluating isolated DC/DC and AC/DC power conversion circuits and power systems with moderate power requirements. It is a highly flexible evaluation board which can be used to test a variety of applications, including portable power supplies, industrial power supplies, power management systems, and system level circuit designs. It also has the capability to be used in commercial and industrial lighting applications.

The working principle of the DC862A-B is straightforward. It uses an IGBT-based switching topology along with a proprietary switching waveform to achieve the desired performance. The switching frequency can be adjusted from 40kHz to 120kHz by either a digitally controlled internal oscillator or by an external crystal oscillator. The output voltage range can be adjusted from 8V to 62V by varying the value of an internal resistor. This adjustable output voltage allows the evaluation board to be used for a variety of applications and power requirements.

The DC862A-B has a wide operating temperature range of 0°C to 90°C. The switching topology provides excellent efficiency over a wide input voltage range and the low output ripple minimizes the need for additional external components such as capacitors and inductors. The board also has a built-in protection circuit which protects against over-voltage, over-current, and over-temperature conditions. It also features a self-adjusting frequency control system, which allows the board to automatically adjust the switching frequency based on the load and input voltage.

The DC862A-B Evaluation Board has a wide range of applications in the DC/DC & AC/DC (Off-Line) SMPS category. It is highly flexible and can be used to evaluate isolated DC/DC and AC/DC power conversion circuits and power systems. The adjustable output voltage and low output ripple make it ideal for applications such as portable power supplies, industrial power supplies, power management systems, and system level circuit designs. Additionally, the built-in protection circuit and self-adjusting frequency control system make it a reliable and cost-effective testing platform for designers and engineers.

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