TRN 3-1210SM

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DC-DC Converters

DC-DC converters are a type of power supply system that converts a direct current voltage or power from one level to another. The varying voltage sources of direct current may be regulated, stepped-up or stepped-down, and inverted or converted from one winding to another. DC-DC converters are used in many consumer electronics, vehicle systems, industrial equipment, aerospace systems, and medical instrumentation.

One example of a DC-DC converter is the TRN 3-1210SM. This device is an adjustable step-down voltage converter designed to operate from a 2-pin 110/220V AC power supply and can output current up to 10A. The TRN 3-1210SM has a wide input voltage range of 11 to 28V DC, and can be adjusted to vary output voltage from 0.9 to 28V DC. It also offers protection against input over-voltage and short circuit protection.

TRN 3-1210SM Application Field

The TRN 3-1210SM is primarily used in applications requiring high voltage input and low voltage output, such as mobile power supplies and communication power supply systems. For example, this DC-DC converter can be used to power portable medical devices or LED lighting systems, as well as industrial equipment such as voice communication systems. With its wide input and output voltage range, the TRN 3-1210SM can be used as a variable DC voltage source for a wide variety of applications.

TRN 3-1210SM Working Principle

The TRN 3-1210SM utilizes a switching regulator power supply. It uses an internal switch to control the current flow, which is then rectified by a diode bridge before arriving at the output. The voltage at the output is equal to the voltage dropped across the diode bridge, minus the voltage drop across the resistance of the internal switch.

The output voltage can then be adjusted by varying the duty cycle of the switching regulator. When the duty cycle is decreased, the output voltage decreases.Conversely, when the duty cycle is increased, the output voltage increases. This adjustability allows the TRN 3-1210SM to provide stable, consistent, and precise voltage output.

Conclusion

The TRN 3-1210SM is a practical and convenient way to power a variety of equipment. Its robust design offers wide input and output voltage ranges, current protection, and the ability to be adjusted to suit varying application needs. Thanks to its switching regulator design, the TRN 3-1210SM is reliable and capable of providing a stable voltage supply for various electronics.

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