Adaptable output voltage is a key feature of adjustable DC regulated power supplies. Due to its adjustable voltage, it boasts a wide range of applications and is extensively used in laboratories and maintenance settings. Hence, it is also referred to as "maintenance power" or "laboratory power." In reality, products used in laboratory and maintenance applications offer additional convenient and practical features, such as adjustable current limiting and tracking functions. The current limiting feature is particularly useful, as it allows for the setting of high current outputs from the regulated power supply. When the current output exceeds the set value, the voltage drops, but the current no longer increases, as if it has entered a constant current mode. Some power supplies offer overcurrent protection. When the current exceeds the specified value, it switches to a protective state, shutting down the output and restarting the power supply to restore the output. During experimental and maintenance work, short circuits may occur due to operational errors or circuit faults. By using the current limiting function, not only can the safety of the power supply itself be protected, but also the components in the circuit can be safeguarded from the effects of high currents. Generally, regulated DC power supplies available on the general market do not have a high current, with output currents ranging from 1 to 3A, which can meet the maintenance and experimental needs of ordinary digital products and mobile communication products. Avionics Power Supply
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