TDN 3-4822WI

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TDN 3-4822WI is a type of DC DC converter which utilizes a step down topology to convert the input voltage of 12 to 48 VDC into adjustable output voltage of 12 to 35 VDC. It is widely used in various applications such as data centers, telecom base stations, test instrumentation, and industrial computing equipment.

This DC DC converter has a wide range of input/output combination which makes it suitable for a wide variety of applications. The input/output range and working principle can be understood better by analyzing the basic internal workings of the TDN 3-4822WI.

This DC DC converter has two main components: an isolated DC/DC power converter stage and an isolated control circuit. The DC/DC power conversion stage consists of a synchronous rectifier, a transformer, and an output rectifier. The synchronous rectifier converts the alternating current (AC) input voltage into direct current (DC). The transformer then converts the DC voltage into a higher AC voltage. This AC voltage is then rectified by the output rectifier, producing a DC output voltage.

The isolated control circuit is responsible for controlling the output voltage of the DC/DC converter. It consists of a feedback control circuit, a voltage/current reference circuit, and switching control logic. The feedback control circuit ensures that the output voltage is within the acceptable range. It does this by measuring the voltage of the output voltage and adjusting the current reference to maintain the output within the desired range. The voltage and current reference circuit ensures that the output voltage and current remain within the desired range while the switching control logic determines the duty cycle of the switching elements to regulate the output voltage.

The TDN 3-4822WI is also designed to work efficiently at high currents and temperatures. It features a constant on-time control that minimizes switching losses and a low RDS(on) synchronous rectifier that also helps minimize switching losses and improves efficiency. Furthermore, it has an overvoltage protection and an over-temperature protection feature to prevent damage due to high voltages and temperatures.

In conclusion, the TDN 3-4822WI is a DC DC converter with a wide range of input and output combinations that can be used in various applications including data centers, telecom base stations, test instrumentation, and industrial computing equipment. This converter also features a highly efficient design with constant on-time control, low RDS(on) synchronous rectifier, and overvoltage and over-temperature protection features.

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