LGR4102-2G

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AC/DC converters are instrumental for power transmission and delivery. It plays an important role in providing power to electronic components, devices, and systems. The AC/DC converter is composed of two components – the input element and the output element. The input element is usually an AC source such as an alternating current (AC) source. An AC source provides alternating current flow to the output element. This output element is usually one of a cyclic pulse-width modulating (PWM) converter, a switch-mode power supply, or a synchronous rectifier. For commercial and industrial applications, the most widely used AC/DC converter is the PWM converter. The PWM converter converts a given input voltage to a required output voltage.

One such widely used AC/DC converter for commercial and industrial applications is the LGR4102-2G series from STMicroelectronics. This versatile AC/DC converter family has high efficiency and high power capabilities with an industrialwork temperature range of -40 to 85ᵒC. The key feature of this AC/DC converter is its active current-mode controlled PWM-converter with no need for an external control circuit.

In terms of applications, the LGR4102-2G AC/DC converter supports a wide variety of power levels across a variety of industries. For example, it can be used in medical equipment, telecommunications, security systems, home appliance, and various industrial equipment. The converter is designed to be easily replaced when a standard 3-phase and battery power system fails leading to a decrease in efficiency. This AC/DC converter offers high efficiency and hence a faster response without any power losses.

The working principle of the LGR4102-2G AC/DC converter is quite straightforward. It starts with a three-phase AC power supply as the input. This input voltage is converted to a constant DC voltage output using the active current-mode control PWM-converter technology. The active current-mode control provides good dynamic performance and greater efficiency in terms of power consumption. The output voltage is regulated by an adjustable on-board regulator. The converter also features an on-board shutdown circuit which ensures safe shutdown in the event of an unexpected fault.

The LGR4102-2G AC/DC converter is a reliable, high-efficiency and cost-effective solution for a variety of commercial and industrial applications. The active current-mode control provides for a reliable and efficient power output over a wide range of applications. The adjustable on-board regulator ensures that the output voltage is maintained whilst the on-board shutdown circuit ensures the system’s safety and protection in the event of a fault. Overall, the LGR4102-2G series offers an ideal solution for power transmission and delivery in a variety of appliance, medical, security, and industrial applications.

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