LES20A48-2V5RE

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DC-DC converters are power circuits used to convert electrical power from one type of DC source to another. The LES20A48-2V5RE is a DC-DC converter designed for use in a wide range of applications. This article will discuss the application field of the LES20A48-2V5RE and its working principle.

Application Field

The LES20A48-2V5RE is a high-performance single trough, step-down adjustable DC-DC converter. It is capable of converting a 20V input voltage down to a 2.5V output voltage, at a maximum output current of 48A. The LES20A48-2V5RE is specifically designed for use in DC distributions, such as in automotive, industrial, and power supplies, as a low-loss, high efficiency voltage boost/buck converter.

The high efficiency of the LES20A48-2V5RE is due to its active current output regulation and synchronous rectification. It also features a fast transient response, high power density, and wide input voltage range, making it suitable for many applications. Additionally, because the converter is designed to be adjustable, it can easily be tailored to fit any system voltage.

Applications of the LES20A48-2V5RE include in high power DC distribution systems, industrial automation, video surveillance systems, medical devices, laboratory equipment, and power management.

Working Principle

The LES20A48-2V5RE is a step-down, adjustable DC-DC converter that uses synchronous rectification to achieve high efficiency. It consists of an input power supply, an output inductor, an energy storage capacitor, and an internal integrated circuit.

The internal IC contains the main power switch, a driver circuit, an error amplifier, a protection circuit, and a current sense circuit. The input voltage is first converted to a high-frequency alternating current by the main power switch. This alternating current passes through the output inductor, where it is transformed to DC voltage. This DC voltage is then regulated to the desired output voltage level by the error amplifier, and is finally smoothed by the energy storage capacitor.

The current sense circuit is used to protect the converter from over-current and thermal overload. In addition, the driver circuit is used to drive the main power switch and the protection circuit is used to monitor the input voltage, the output voltage, and the temperature. These protection circuits help to ensure that the converter operates in its optimal operating range.

Conclusion

The LES20A48-2V5RE is a high-performance single trough, step-down adjustable DC-DC converter. It is designed for use in a wide range of applications, including DC distributions, high power systems, industrial automation, and medical and laboratory equipment. The high efficiency and wide input voltage range of the LES20A48-2V5RE make it an ideal choice for many applications. In addition, its internal IC contains a driver circuit, an error amplifier, a protection circuit, and a current sense circuit, allowing it to operate safely and optimally.

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