PDM30US24

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AC/DC Desktop, Wall Adapters- PDM30US24 Application Field and Working Principle

AC/DC Desktop and Wall Adapters are essential components of modern electronic products. The adapters convert alternating current (AC) to direct current (DC) and are composed of internal components of a plug, a transformer, a switch, a rectifier, and an integrated circuit filter. A PDM30US24 DC converter is a common application of such a device. It is a three maximum output of 30W, UL compliant, and recognizably reliable.

Application Field

The PDM30US24 is designed for indoor use with products requiring regulated DC power. This high-efficiency desktop or wall adapter is highly suitable for powering low voltage consumer electronics including phones, cameras and toys, as well as medical, industrial, digital signage, and infrastructure products.

Working Principle

The PDM30US24 is a switched-mode type of DC converter, which effectively converts AC to DC. This is accomplished by a power source circuit, which uses transformer T1 to step-up the voltage and is then connected to a bridge rectifier BR1 to rectify the voltage from AC to DC. The switch S2 is used to control the power output.

The DC voltage is then further converted by IC1 to output a highly efficient switched-mode DC voltage. The IC1 also comprises several components including an error amplifier, IC2, and a resistor-capacitor network. The error amplifier translates the output voltage to control the switch in the PDM30US24, ensuring stable and reliable output.

Additionally, the converter also includes protection components, which are essential for its safe operation. The protection components would protect the system against any over-temperature, over-voltage, and short-circuit events. The protections are provided by IC3, which is connected to the secondary winding, and by R13, which regulates the current.

Conclusion

The PDM30US24 is a highly efficient, UL compliant, and reliably reliable DC converter suitable for powering low voltage consumer electronics, medical, industrial, digital signage, and infrastructure products. Its power source circuit is composed of a transformer, a bridge rectifier, a switch, a resistor-capacitor network and protection components. The input AC voltage is stepped-up by the transformer and rectified by the bridge rectifier to produce a DC voltage. The DC voltage is then further converted into an efficient switched-mode DC voltage by the control integrated circuit.

The outputs are further stabilized and protected by the integrated circuit and other protection components to ensure smooth, safe, and reliable operation of the device.

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