RFB300-48S28-R5J

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DC-DC converters are critical components in the power chain of many systems. They are extensively used in aerospace, automotive, industrial and medical applications. RFB300-48S28-R5J is a advanced isolated DC-DC converter with an input voltage of 48V and an output voltage of 28V. It has many features that make it an ideal choice for many markets.

The RFB300-48S28-R5J DC-DC converter is suitable for applications such as power supplies, battery charging systems, battery backup systems, motor control applications and lighting systems. It is a compact, high-efficiency full-bridge topology and provides active power factor correction, low standby power consumption, high power density, and pulsed or continuous operation modes. The converter also has a wide operating temperature range (from -40°C to +85°C), a wide input voltage range of 18V to 150V, and an over-voltage protection and under-voltage lockout to protect against any over-voltage or under-voltage situations.

The RFB300-48S28-R5J DC-DC converter features a ±0.3% preset regulation tolerance and ±0.5% load regulation to ensure an extremely accurate output voltage. It also provides constant current output up to 40A. The heavy-duty copper layers on the PCB of the DC-DC converter enable superior thermal control while increasing its reliability. It is protected against thermal shutdown, short circuit protection, and over current protection.

In terms of efficiency, the RFB300-48S28-R5J DC-DC converter has a high efficiency of up to 92% and a low power dissipation of less than 0.3W. Furthermore, it has a wide input range with low input line ripple, making it suitable for industrial and medical applications. In addition, the DC-DC converter has a high reliability with no minimum load, making it suitable for a wide range of applications.

The working principle of the RFB300-48S28-R5J DC-DC converter is based on a full bridge topology. The voltage that is applied to the input of the converter is rectified and filtered to create a DC voltage. The DC voltage is then converted to an AC voltage using a full bridge topology with four switches. The AC voltage is then chopped up into the desired output voltage levels. The output is filtered to produce a clean DC voltage.

Overall, the RFB300-48S28-R5J DC-DC converter is a robust and reliable DC-DC converter that is ideal for many applications. It offers a wide input voltage range, high efficiency, and low power dissipation. Furthermore, it provides superior thermal control, active PFC, low standby power consumption, and high power density. The converter also has over-voltage protection and under-voltage lockout against any over-voltage or under-voltage situations. Additionally, it is protected against thermal shutdown, short circuit protection, and over current protection. With its many features and benefits, the RFB300-48S28-R5J DC-DC converter is an excellent choice for power supply, motor control, and lighting applications.

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