UEI30-120-Q48N-C Power Supplies - Board Mount

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DC DC Converters: UEI30-120-Q48N-C application field and working principle

DC-DC converters are a type of circuit equipment typically used to convert a source of direct current (DC) from one voltage level to another. They are widely used in various applications to regulate the voltage and current applied to the load. The UEI30-120-Q48N-C is a type of DC-DC converter; It has many applications and operates according to a certain working principle.

Application Field

The UEI30-120-Q48N-C is designed specifically for a wide range of DC power applications; such as Telecommunication, industrial controls, Electrical Equipment, Electrical Automations, Power Supply Modules, Renewable Energies, and many military applications applications. UEI30-120-Q48N-C can be used either as a step down DC-DC converter (buck converter) or as a step up DC-DC converter (boost converter). It provides high efficiency, fast response time, and wide input voltage range.

The UEI30-120-Q48N-C offers wide input voltage ranges from 3.0V to 30V and it can output up to an open-circuit maximum of 120V. With an output current range of 0-48A, it can also provide hundreds of watts of output power. Furthermore, the UEI30-120-Q48N-C is highly efficient up to 87% due to the use of synchronous rectification, and it has a wide operating temperature range of -40 °C ~ +85 °C.

Working Principle

The UEI30-120-Q48N-C is based on a DC-DC buck converter. The internal feedback circuitry ensures accurate voltage regulation, resulting in a stable output voltage. In operation, the series inductor and the output capacitor store energy while the switch is closed, and then release it to the output when the switch is open. The buck converter alternates between charging and discharging of the output capacitor. As the output voltage gets close to the desired voltage, the duty cycle reduces, and the output voltage is regulated via a feedback loop.

The UEI30-120-Q48N-C utilizes a current-mode control scheme. This allows it to respond faster to load changes, and also ensures that the current will not exceed the maximum rated value. Additionally, the converter uses synchronous rectification which increases efficiency and has a low output noise.

Conclusion

The UEI30-120-Q48N-C is a DC-DC Buck Converter suitable for numerous applications. it offers wide input voltage ranges of 3-30V, an output voltage of up to 120V, and an output current of up to 48A. It is highly efficient and has a wide operating temperature range. Additionally, the UEI30-120-Q48N-C utilizes synchronous rectification and a current-mode control scheme which ensures high efficiency, fast response time, and accurate voltage regulation.

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