LGA75A-12-C

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AC/DC converters are a collection of devices and components that allow conversion of Alternating Current (AC) to Direct Current (DC). The LGA75A-12-C is one such AC/DC converter. It is a compact, low-profile converter with surge current and low ripple/noise. It has a wide input voltage range, as well as good electrical characteristics, and is primarily used in industrial electronics.

The LGA75A-12-C acts as an isolation power supply, meaning that it effectively isolates AC input from DC output without any need for additional components. This means it can be used in applications and environments where the output of isolation transformers and magnetics may be harmful or unnecessary. It provides a galvanic isolation of up to 2000Vrms, and is therefore well suited for sensitive applications where voltage isolation is required.

The main elements of the LGA75A-12-C converter are the switching FET, the blocking diode, the passive components, the transformer, the AC/DC converter IC, and the power supply management IC. The switching FET acts as a switch, switching AC input voltage into the transformer at a frequency determined by the AC/DC converter IC. The blocking diode acts as a diode, blocking reverse voltage sent from the transformer back into the AC input voltage. The passive components—resistors, capacitors, and inductors—reduce noise and ripple in the output voltage.

The transformer is the core component of the AC/DC converter system, and serves to lower the input voltage, pass the curved current, and increase the output voltage. The AC/DC converter IC regulates the voltage at the output of the transformer, maintaining a constant voltage. The power supply management IC ensures the LGA75A-12-C converter operates reliably.

The LGA75A-12-C converter can be used for a variety of industrial applications. It has good thermal characteristics to handle even the highest of dynamic loads and high inrush current applications. It features good load and line regulation, low ripple and noise, remote sense option for tight voltage regulation, and numerous protections such as Over Temperature, short circuit, over voltage, and undervoltage protection.

The LGA75A-12-C AC/DC converter can be used in a variety of industrial applications, such as motor controllers, electronic cash registers, process control, distributed power supply, industrial automation, LED drive applications, and programmable logic controllers (PLCs). It is a reliable, efficient, and cost-effective converter, and is prized for its excellent electrical and thermal performance.

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