SMT05E-05W3V3

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DC-DC converters are essential components of electronic or telecom devices as they allow power transfer from one circuit to another while converting the voltage and current levels. The SMT05E-05W3V3 is a type of DC-DC converter that is used for a range of applications, such as high power computing applications, server power supplies, telecom circuits and medical equipment. This converter helps to ensure reliable performance with a small footprint, and its active power-factor control makes it energy efficient. The following explains its application field and working principle.

Application Field

The SMT05E-05W3V3 is a compact, high-efficiency DC-DC converter module that is suitable for a wide range of advanced power applications. This converter is characterized by its high-power density and can supply up to a maximum of 500W of power in a very compact form factor (44.5 mm x 32.0 mm x 11.5 mm). The module is well-suited for use in applications including industrial electronics, telecommunications, automotive CPUs, and medical equipment. It is an ideal combination of small footprint, high efficiency, and good EMI performance.

The input voltage range of the SMT05E-05W3V3 is 4.5V to 14V, and the output voltage range is adjustable from 1.2V to 5V. The module uses synchronous rectification technology to ensure a high efficiency of up to 95%, and its active power-factor control makes it even more energy efficient. Additionally, the module utilizes an output voltage feed-forward scheme to improve the overall output stability, even with an input voltage that is constantly changing. This allows the module to achieve good load regulation even with heavy loads.

Working Principle

The SMT05E-05W3V3 DC-DC converter utilizes a two-stage conversion process to convert an input voltage to an output voltage. The converter is made up of two main components — an active power-factor correction (PFC) stage and a DC-DC stage. The PFC stage boosts the voltage of the input AC power source and regulates the input current to ensure a constant voltage output. This ensures a constant, high-power output with minimum harmonic losses in the system. The PFC stage also maximizes the efficiency of the overall system.

The DC-DC stage consists of an input voltage reactance (inductor), an output voltage control circuit, and an output voltage sense loop. The output voltage control circuit is responsible for regulating the output voltage by comparing the output voltage to a voltage reference. The output voltage sense loop is responsible for providing feedback to the output voltage control circuit to ensure that the output voltage is maintained. This feedback loop ensures that the output voltage is regulated at all times.

The SMT05E-05W3V3 has built-in protections that protect the system from overvoltage, overcurrent and over temperature. In addition, the module also features an array of diagnostic capabilities that can be used to monitor the system\'s performance. These features make the SMT05E-05W3V3 an excellent choice for use in high-power electronic applications.

In conclusion, the SMT05E-05W3V3 is an excellent DC-DC converter that is suitable for use in a wide range of modern power applications. The module not only offers high efficiency and power-factor control capabilities, but also features advanced protection and diagnostic capabilities that help to ensure reliable performance. This makes the SMT05E-05W3V3 an ideal choice for use in advanced power applications.

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