ALQ40Y48N

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DC-DC Converters are an important part of power electronics. They provide an efficient means of converting various input voltages into a precise output voltage. In this article, we will be discussing the application field and working principle of ALQ40Y48N, a DC-DC converter from an American firm.The ALQ40Y48N is a DC-DC converter designed for telecommunication and automotive applications. Its input voltage range is 24, 48, or 110 VDC. The output voltage is 1, 2, 5, 12, 15, or 24 VDC. The output current is 4 A max for 2-24V, 3 A max for 1V, and 1.25 A max for 5V. The power factor correction level is programmable, to provide efficient and reliable power output.At the heart of ALQ40Y48N is an interleaved current-doubler control topology with fixed frequency modulation. This topology enables fast transient response resulting in improved line regulation, and provides higher efficiency when compared to single-stage non-interleaved topologies. The output voltage of ALQ40Y48N is isolated from the input, which helps reduce system EMI emissions.The ALQ40Y48N is a highly integrated power supply solution with its onboard MOSFETs, high frequency transformer, and controller. This helps provide an efficient, compact solution for tight space applications. It also offers a wide range of protection features such as input overvoltage protection, output overvoltage protection, short circuit protection, and thermal protection.The ALQ40Y48N is tuned using an open loop voltage control technique. It allows the user to set the output voltage set point by changing the feedback resistors of the feedback voltage divider. The oscillator frequency can also be modified by changing the oscillator resistor and capacitor values.In conclusion, the ALQ40Y48N is an efficient solution for telecommunication and automotive applications. It offers a highly integrated power supply solution that is compact in size, and provides high efficiency and reliable power output. Its wide range of features and protection make it a highly versatile power supply solution for many applications.

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