DP4018N2M

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DP4018N2M application field and working principle

The DP4018N2M AC DC Desktop/Wall Adapters are ideal for users who need to power or charge mobile devices such as mobile phones, tablet computers, portable media players, camcorders and more. It offers a range of voltages with over-voltage and short circuit protection. The output current varies from 0.5A to 4A and it comes with an interchangeable AC plug for use with different types of power outlets. The DP4018N2M is a highly efficient power adapter that converts AC input to DC output voltage.

Application Field

The DP4018N2M AC DC Desktop/Wall Adapters is suitable for use in various scenarios including:

• Charging of mobile devices such as mobile phones, tablet computers, portable media players, camcorders and more.
• Powering headsets such as Bluetooth headsets and other peripherals.
• Powering small appliances such as fans, blenders and more.
• Replacing laptop power adapter in office, hotel or home.

Working Principle

The DP4018N2M AC DC Desktop/Wall Adapters consists of a printed circuit board (PCB) with all the components on it. This PCB takes the alternating current (AC) input from a power outlet and converts it to a direct current (DC) output. This conversion is done using a power transistor, rectifiers, and a filter capacitor.

In the first stage of the conversion, the AC input is rectified by two diodes that form a diode bridge rectifier. This converts the AC signals to a pulsating DC signal which is used to charge up the filter capacitor. The filter capacitor then reduces the ripple voltage and smoothens out the output. The output voltage is then adjusted by the power transistors, and then converted to the desired output voltage.

The last component in the DP4018N2M is an over-voltage and short circuit protection circuit. This circuit monitors the output voltage and shuts off the power supply if the voltage exceeds a certain threshold. This prevents the device from being damaged by over-voltage and short circuit conditions.

Overall, the DP4018N2M AC DC Desktop/Wall Adapters is an efficient and convenient way to supply power to your mobile devices.

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