LE80CD

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The LE80CD series from STMicroelectronics is a three-variable output buck converter, which provides high-efficiency DC/DC power conversion. With a maximum input voltage rating of 42V, the LE80CD offers an output voltage range of 0.8-36V. This series also features low-noise operation and a maximum output current of up to 9A.

The LE80CD series is particularly suited for applications requiring a high-density power solution, such as industrial, communication, and automotive systems. With its reliable and efficient operation, the LE80CD offers power solutions for a range of tasks, such as motor control, telecoms, computers, digital TVs and other devices.

The LE80CD is a three-variable buck converter, meaning that three separate outputs are generated from the input voltage. This converter uses a sophisticated hysteretic design to achieve stable regulation with a maximum output voltage ripple of 35mV. The LE80CD also provides current limiting protection, as well as protection against over-temperature and under-voltage conditions.

The working principle of the LE80CD is based on the dynamic control of the input voltage, delivering a steady output voltage with high efficiency. To achieve this, the LE80CD uses a combination of energy transfer and feedback-controlled switching cycles. The energy transfer is based on an inverter-based circuit, where the output voltage is determined by the inductor current. The switching cycles are controlled by the internal feedback control loop, which evaluates the output current and adjusts the switching frequency accordingly.

The LE80CD is optimized for applications that require a high-efficiency, low-noise, and reliable power solution. The robust design offers a wide input voltage range, along with a low output voltage ripple. This makes it suitable for a range of applications such as motor control, telecoms, computers, digital TVs, and more. Thanks to its small size and high power conversion efficiency, the LE80CD is an ideal choice for designers looking for a reliable and efficient power solution.

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