SI-8501L

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DC–DC converters are electronic circuits used to transfer electrical energy from one DC voltage level to another. They are used in a variety of applications, from consumer electronics to automotive, industrial and military systems. The SI-8501L is a high-efficiency, isolated DC-DC conversion module designed specifically for isolated applications. It can be used for a variety of power conversion tasks, including preserving the input voltage, providing a regulated output voltage, and converting a single-phase input to an isolated multiphase output.

The SI-8501L is an isolated switching regulator with a wide input voltage range of 3.3V to 48V. It employs a high-efficiency design that provides up to 92% power conversion efficiency and up to 40W of output power. Its high-frequency switching allows for compact design and requires very few external components. The module is equipped with a wide range of protection features, including input undervoltage lockout, output current sense, output overtemperature protection, and programmable soft start.

The SI-8501L includes a number of features that make it suitable for a wide variety of applications. It features a wide input voltage range, adjustable output voltage, adjustable output current limit, short-circuit protection, adjustable soft-start, and thermal shutdown. In addition, the SI-8501L has a built-in frequency transformer which allows the user to adjust the output voltage from a wide-range of potential values, such as 5V to 300V. This makes the SI-8501L ideal for high-voltage power conversion applications, such as DC/DC converters and motor drivers.

The working principle of the SI-8501L is based on the standard isolated DC-DC boost converter. The input voltage is applied to the primary side of the switched transformer, which is then converted to a high frequency pulse waveform (Square Wave Pulsing). The output voltage is then regulated by a feedback control loop, which keeps the output voltage within a specified range (trimming controller). The secondary side of the transformer is also equipped with a rectified diode and a limiting capacitor, which helps in filtering out high-frequency noise and reduces the output ripple.

The SI-8501L is highly reliable and cost effective choice for applications requiring isolated power conversion. It is suitable for a wide range of input and output voltages and is capable of providing up to 40W of output power. In addition, it features a robust design with comprehensive protection features, making it an ideal choice for robust and reliable power conversion applications.

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