REC3.5-4824SRW/R8/C/X1

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DC-DC converters are a type of power converters commonly used to convert a DC voltage level to a different level but of same polarities. They come in many shapes, sizes and configurations and can serve many applications. One of the most common converters is the REC3.5-4824SRW/R8/C/X1 DC-DC converter.

The REC3.5-4824SRW/R8/C/X1 is an efficient, high-power, non-isolated buck topology DC-DC converter. It has an input voltage range of 3.5V to 48V DC and a continuous 24V DC output. The device has a high efficiency switch (96 percent) and integrated MOSFET that allows for low on-resistance and better transient response. It is also equipped with a synchronous rectification, over voltage protection, over-current protection, a short circuit protection, and an over-temperature protection feature.

The main application fields for the REC3.5-4824SRW/R8/C/X1 are enhanced standby power systems, PC/ATX motherboards, embedded systems, computer servers and telecom systems. As such, it is an ideal choice in applications where high power density, low conduction losses and low solution size are required.

When it comes to the working principle of the REC3.5-4824SRW/R8/C/X1, it utilizes the synchronous buck topology. In simple terms, the processor applies a voltage to a switch in the circuit with the goal to convert from one voltage to another. Another important component is the inductor, which has the purpose to store energy in order to smooth the current flow and reduce ripple voltage.

The high-side MOSFET switch acts as a current restriction because it is usually off and, when it is on, its resistance is very low. The low-side MOSFET switch acts as a voltage regulator, because its resistance is low when it is on and it is usually off. The main purpose of the inductor is to limit the excessive current that occurs when the switch is on, and store it until the switch is off. At this point the stored energy is released as the output current.

The REC3.5-4824SRW/R8/C/X1 also uses the synchronous rectification (SR) topology, which results in a much higher efficiency. Synchronous rectification improves the converter\'s efficiency by replacing the low-side diode with a synchronous MOSFET. That way, the energy is not lost when the switch is open and the output voltage is also much lower.

The converter also uses a current-mode control method that uses feedback to control the duty cycle of the switching elements. It is an efficient way of controlling the power converter, as it provides good load and line regulation, fast transient response, and low output ripple.

The overall performance of the REC3.5-4824SRW/R8/C/X1 is quite impressive, with a power delivered of up to 5.9W and efficiency of up to 96%. It also provides a wide range of protections such as short-circuit protection, over-voltage protection, over-temperature protection, and over-current protection.

In conclusion, the REC3.5-4824SRW/R8/C/X1 is a high-efficiency, non-isolated buck topology DC-DC converter designed for applications where high power density, low conduction losses and low solution size are required. It utilizes advanced synchronous rectification technology, along with a current-mode control method, achieving impressive efficiency and output regulations. It also comes equipped with various protection mechanisms, making it a safe and reliable choice for a variety of applications.

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