KPT-81-24N

Series:	*
Part Status:	Active

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<p>The KPT-81-24N is a current-mode controller designed for use in a wide variety of AC-DC and DC-DC power supply circuits. The KPT-81-24N has two dedicated analog voltage-mode feedback inputs and features complete protection functions like over voltage, under voltage, over current, brownout, line transient, output over temperature, and fan control. It also offers several benefits and advantages over other current-mode controllers.</p><p><strong>Application Field</strong></p><p>The KPT-81-24N can be used to control a wide variety of AC-DC and DC-DC power supply circuits, such as switching power supplies, voltage converters, DC/DC converters, and more. In addition, the KPT-81-24N is perfect for industrial applications such as medical imaging systems, telecommunications, test equipment, industrial automation, and similar applications.</p><p><strong>Working Principle</strong></p><p>The KPT-81-24N is a current-mode controller, meaning it uses a form of feedback control to constantly regulate the output of the power converter. The controller measures the output current of the converter and compares it to the input current and adjusts the output voltage accordingly. This closed loop feedback control system ensures that the output current of the converter is always within the required range.</p><p>The KPT-81-24N features advanced protection functions that keep the power supply from being damaged in case of an unexpected current surge or voltage drop. These protection functions include over voltage, under voltage, over current, brownout, and line transient protection. Additionally, the KPT-81-24N also includes an output over temperature protection function and a fan control output, allowing the user to monitor the temperature of the power supply and adjust the fan speed if necessary.</p><p>The KPT-81-24N offers several advantages over other current-mode controllers. Firstly, its two dedicated analog voltage-mode feedback inputs allow the user to fine-tune the output voltage of the power supply, ensuring optimal performance. Furthermore, the KPT-81-24N offers low total harmonic distortion (THD) and high power factor correction, making it an ideal choice for professional applications.</p><p>Finally, the KPT-81-24N is also user-friendly, featuring on/off and delay time adjustment pins, allowing the user to set the desired startup and shutdown times for the power supply. This ensures that the power supply starts up and shuts down in an efficient manner, further increasing its energy efficiency.</p><p>In conclusion, the KPT-81-24N is a powerful and highly reliable current-mode controller that is suitable for a wide range of AC-DC and DC-DC power supply applications. Its two dedicated analog voltage-mode feedback inputs allow the user to fine-tune the output voltage of the power supply, while its various protection functions keep the power supply from being damaged in the event of an unexpected current surge or voltage drop. Finally, its low total harmonic distortion, high power factor correction, and user-friendly features make it an ideal choice for professional applications.</p>

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