SUS34805C

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DC-DC converters are electronic devices that are used to convert an input direct current DC power source to a different output DC voltage. DC-DC converters are widely used in automotive, aviation, telecommunications, industrial and medical applications. The SUS34805C is one such converter developed by Mitel Telecommunication to provide voltage conversion for applications ranging from audio to digital video broadcasts. It is a synchronous buck regulator featuring a low-dropout, wide input voltage capability, high output accuracy, and excellent transient response. This DC-DC converter is specifically designed for multi-cell Lithium-Ion, LiFeMnPO, NiCd, and NiMH battery packs.

The working principle of the SUS34805C is based on a synchronous buck topology. This topology is used to step down an input voltage into a regulated output voltage. The synchronous buck topology consists of an input voltage followed by an inductor, an output filter, and transistors. A power transistor is driven by a controller, which initiates the operation of the converter. The controller controls the duty cycle of the power transistor and thus determines the output voltage.

The SUS34805C is suitable for powering a wide range of applications requiring a stable and reliable DC-DC converter. It is especially suitable for applications that require fast response, good input to output voltage regulation, and high efficiency. Examples of these applications include digital broadcasting, home theatre systems, car audio receivers, medical equipment, and computers. The SUS34805C has a typical efficiency of 88.5%, making it suitable for applications where power conservation is important. It also has high voltage accuracy of ±3%, allowing the device to maintain a constant output voltage.

The SUS34805C is equipped with several safety features to ensure safety and reliability. These safety features include an over current protection circuit, over voltage protection circuit, and thermal warning circuit. These safety features help to prevent damage due to excessive current, voltage, or temperature levels in the device. Furthermore, the SUS34805C is designed to provide low ripple and noise levels as well as high noise immunity. This helps to ensure clean and reliable voltage conversion, even in noisy environments.

In conclusion, the SUS34805C is a highly reliable and efficient DC-DC converter designed for a wide range of applications, such as digital broadcasting, home theatre systems, car audio receivers, medical equipment, and computers. It features a synchronous buck topology, with high efficiency, excellent response, and great voltage accuracy. Additionally, the SUS34805C has several safety features such as over current, over voltage, and thermal protection. This helps to ensure a reliable and stable power source for applications requiring high voltage or power conservation.

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