EVM3805-QB-18-01A

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The EVM3805-QB-18-01A is an evaluation board that is designed to test and evaluate AC/DC and DC/DC off-line switching power supplies. This board is powered by 12V of input AC voltage and is compatible with a wide range of switching power supplies. It is a compact and self-contained board with an easy to use user interface that allows for quick setup and testing of the power supplies. The board also comes with an integrated active power factor correction (PFC) circuit which ensures maximum efficiency and minimum power losses.

The EVM3805-QB-18-01A is specifically designed to evaluate SMPS operating at a 99% peak efficiency and is able to provide up to 30 W of output power. It is also compatible with many different types of power supplies, including half-bridge, full-bridge, dual-MOSFET, and resonant types. The built-in protection circuits help protect the board from short-circuit, transient over-voltage, over-temperature, and overcurrent conditions. The board features a 12V/30V output voltage monitoring port which allows for external voltage monitoring and testing. Additionally, the board also has integrated LED indicators that provide information regarding power on/off, power supply characteristics, and system status.

The EVM3805-QB-18-01A comes with an adjustable power supply ripple voltage and standby current, which supports a wide range of power supply designs. The board also features a DC power supply input port which allows for powering of other system components and external power supply loads. Additionally, the built-in switching signals and voltages can be easily adjusted by using the user interface. The EVM3805-QB-18-01A is designed to be used in a variety of applications, including automotive, medical, industrial, and telecom applications. It is also used in the testing of off-line and DC/DC switched mode power supplies in the laboratory or in the domestic environment. This evaluation board is easy to use and provides a great platform for testing and evaluating different switching power supplies and their application fields.

The working principle of the EVM3805-QB-18-01A is based on the fact that it is an AC/DC or DC/DC converter that is used to convert alternating current into direct current or vice versa. In its simplest form, the converter is composed of a rectifier, filter, and voltage regulator. The rectifier converts the alternating current into direct current by passing the current through a capacitor. The filter then serves to remove any remaining ripple within the voltage waveform. Finally, the voltage regulator ensures that the output voltage is regulated and within the specified range.

In addition to its use as a power supply converter, the EVM3805-QB-18-01A can also be used as a testing platform for evaluating the performance of various types of AC/DC and DC/DC switching power supplies. It can also be used to compare different power supply designs and analyze their operational characteristics. Furthermore, it can also be used to compare the efficiency of power supplies in different application fields. Thus, the board provides a great platform for conducting validation, calibration, and optimization tests of different power supplies.

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