A 12V DC power supply is a device that provides a constant direct voltage (DC) of 12 volts. It converts alternating current (AC) from the mains or other power source into a stable 12V DC output, commonly used to power various electronic devices, LED lighting and small appliances. These power supplies are essential in applications where constant DC voltage is required for proper operation.
12 V DC means 12 volts of direct current.
“12V” indicates the voltage level and “DC” indicates that current flows in one direction, unlike alternating current (AC) which periodically reverses direction. DC voltage is used in many low-voltage applications, including automotive systems, battery-powered devices, and certain types of electronic devices that require a stable, constant power source.
A DC power supply is an electrical device that converts and regulates electrical energy to provide a constant direct current output. It typically takes an input AC voltage and transforms it to a lower DC voltage.
DC power supplies can be found in various configurations, such as linear or switching types, and are used in applications requiring a stable DC voltage, such as powering electronic components, charging batteries, or operating machinery.
A 12V power supply works by converting the input AC voltage to a stable 12 volt DC output. This process involves rectification, where AC voltage is converted to pulsating DC, followed by filtering to smooth the voltage and regulation to maintain a stable 12V output despite variations in input voltage or conditions. dump.
The power supply ensures that the output remains at a constant voltage of 12V DC to safely power connected devices.
The power of a 12 V power supply depends on its rated current. Power (in watts) is calculated as the product of voltage and current (P = V x I). For example, a 12V power supply with a current rating of 5 amps would have a power rating of 60 watts (12V x 5A). Wattage indicates how much power the power supply can deliver to connected devices and is crucial to ensure it can meet the electrical needs of the load.