REC5-1209DRW/H6/A/SMD

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The purpose of DC-DC converters is to convert the input voltage of the power supply to the level of the output voltage that is required to run the device. The REC5-1209DRW/H6/A/SMD is a variant of the DC-DC converter that makes use of the switching mode for the conversion. The application field and the working principles of this specific variant are discussed below.

Application Field

The REC5-1209DRW/H6/A/SMD is used in field devices such as communication and computer systems, automotive components, and office equipment. The device is particularly suitable where wide variation of input voltage is required.With an input voltage range of 9V-75V, the device is robust enough to withstand transients in the field. Its wide working temperature range of -40°C to 85°C makes it suitable for operation in extreme environments. It features an integrated soft-start circuit and a very low output ripple voltage, making it an ideal power source for sensitive electronics. The device is very efficient with up to 90% efficiency seen at full load.In addition, the device has very low standby power consumption that makes it suitable for use in green energy applications and enables energy savings in green buildings. Finally, the device features a variety of protection features such as short-circuit and overload protection, input under-/over-voltage protection, and line/load regulation that ensure reliability of the power supply.

Working Principle

The REC5-1209DRW/H6/A/SMD makes use of the buck-style switching mode for voltage conversion. In this mode of operation, a switch is used to control the current flow by switching the output voltage in a proportion to the input voltage. The efficiency of the switching mode depends on the frequency and magnitude of the switching speed. The REC5-1209DRW/H6/A/SMD features a high frequency switching, which results in very high efficiency. The device is designed to operate in a continuous steady state; in other words, it does not turn off the voltage conversion indefinitely. At light loads, the device uses Pulse Frequency Modulation (PFM) for reducing the frequency of voltage switching and automatically adjusts the output current. This mode of operation helps in improving the efficiency.The REC5-1209DRW/H6/A/SMD features an integrated soft-start circuit that reduces in-rush current during relatively large voltage transitions. This helps in reducing the surge in power consumption and ensures that output voltage is maintained at the desired level. The soft-start circuit also helps in improving the overall system reliability.

Conclusion

The REC5-1209DRW/H6/A/SMD is a variant of the DC-DC converter that is suitable for robust operation in extreme environments. Its wide input voltage range and very high efficiency make it an ideal power source for sensitive electronics. The device features a variety of protection features to ensure reliability of the power supply, and features an integrated soft-start circuit for reducing in-rush current. The device also features a very low standby power consumption, making it suitable for green energy applications.

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