DC2081A-A

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DC2081A-A Evaluation Boards are one of the most popular off-line or non-regulated DC/DC or AC/DC switching power supplies, designed for efficient and reliable power delivery. On the DC2081A-A Evaluation Board, a wide range of input voltages and output voltages can be combined with several different switching frequencies to support various applications.

The input voltage is typically 80 to 308 Volts AC, with a maximum range of 25 to 526 Volts. The input frequency range is 47 to 63 Hz, and the output power is from 4 Watts to 600 Watts. The DC2081A-A also supports up to 6 outputs, with the ability to adjust the output voltage from 0.35 to 35 Volts.

These versatile, robust power supplies feature several advanced features like extra current-sense circuits and internal digital logic which allows for the customization of the output voltage for specific applications. An on-board adjustable voltage loop is also available, which can adjust and regulate the output voltage from 100 to 600 Watts.

In addition to this, the DC2081A-A Evaluation Board has a built-in safety and circuit protection function, with built-in over current, over voltage, and reverse polarity protections. This helps to maintain a safe operating environment, ensuring proper circuit protection.

Working Principle

The DC2081A-A Evaluation Board is based on a combination of high-reliable PWM and PFC topology. In the PWM topology, the voltage is switched on and off to create a pulse width modulation (PWM) to convert the input voltage to the desired output voltage. In the PFC, the power factor is increased by drawing more current than voltage, thereby improving the energy transfer efficiency.

The PWM and PFC topology also include an Output Protection Circuit (OPC), which helps to limit the output voltage and current in case of overloads and shorts. This helps to keep the output voltage in the safe and optimal range. This circuit also includes a number of EMI filters, which are designed to reduce any high-frequency or radio interference.

Application Field

With its high performance and reliability, the DC2081A-A Evaluation Board is suitable for a variety of applications. These include consumer electronics, electrical appliances, lighting, automotive, and even industrial applications.

Consumer electronics: The switching power supply provides an efficient power supply to various consumer electronics products, such as TVs, digital cameras, laptops, and gaming consoles.

Electrical appliances: High-reliability switching power supplies can be used to power a wide range of electrical appliances, such as microwave ovens, home security systems, and energy-saving lighting.

Automotive: The DC2081A-A Evaluation Board can be used to power automotive electronics, such as car starter motors, headlights, and automotive infotainment systems.

Industrial: The switching power supplies can be used in a variety of industrial applications, such as industrial robots, machine tools, and industrial automation systems.

Conclusion

The DC2081A-A Evaluation Board is an excellent, reliable off-line or non-regulated switching power supply, with a wide range of input and output voltages, safe and efficient operation, and advanced features. It is suitable for a variety of applications, from consumer electronics to industrial applications, making it one of the most popular DC/DC or AC/DC switching power supplies.

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