RE-1209S

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DC DC Converters

DC-DC converters, also known as DC-DC regulators, are devices that convert direct current (DC) from one voltage level to another. They regulate output voltage and current to match the requirements of the load, and are used in a wide range of applications, such as in battery-powered devices, power management in automotive systems, and distributed power systems.DC-DC converters are classified into two main categories, isolated (double converters and single converters) and non-isolated (buck, boost, and flyback converters).

RE-1209S Application Field

The RE-1209S is a 50W, 4-port DC/DC converter with a wide 4~14V input voltage range and an adjustable output voltage range of 1-36V. This highly efficient, space-saving module is designed for long-term, reliable operation in medium power applications such as telecommunications, industrial and medical equipment. It features low standby power consumption, wide operating temperature range (0-70°C), and over-voltage, over-current, and short circuit protection. The RE-1209S is available in different formats, including TO-263-3L, DIP14 and SIP14 packages.

RE-1209S Working Principle

The RE-1209S uses a buck-boost DC/DC conversion method to convert the incoming DC voltage into an adjustable regulated output voltage. It first steps down the input voltage through a buck stage, then runs that voltage through a boost stage to create a regulated output voltage. Since no input isolation is required, the RE-1209S is designed to be highly efficient and have a low standby power consumption. The highest efficiency can be achieved with the right input voltage, which is determined by the application needs.

In the event of a short or over-current, the RE-1209S has an over-current protection mechanism to shut down the output voltage. The RE-1209S also provides thermal protection and safety-compliant protection features, such as output current limiting and over-voltage protection.

Conclusion

The RE-1209S is a highly efficient, 4-port DC/DC converter designed for medium power applications. It has an adjustable output voltage range, low standby power consumption, wide operating temperature range, and has over-voltage, over-current, and short circuit protection. With its wide input voltage range, wide output voltage range, and high efficiency, the RE-1209S is a great choice for medium power applications.

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