MIC38300HYHL-EV

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Linear voltage regulators are commonly used in applications from automotive and mobile devices to the operation of AC/DC converters. In many cases, especially those involving high current and voltage, they require specialized circuits to ensure proper and safe operation. The MIC38300HYHL-EV is an evaluation board specifically designed to test the operation of the MIC38300 3A high-side switch with adaptive current limit and thermal shutdown device. It provides a safe and effective way to evaluate the features and performance of the device.

The output of the MIC38300HYHL-EV is adjustable from 0 to 40V, allowing it to support a wide range of external loads. It also takes into account the thermal effects of these loads, as it is designed to monitor the temperature of the device under test and will shut down the device should its temperature exceed a preset limit. In addition, the board supports a variety of operating modes, allowing the user to adjust the MIC38300 switching frequency, load response time, current limit, and many other features. Furthermore, the board is equipped with LED indicators to provide information regarding the status of the MIC38300, including when it is in current or thermal limiting shutdown mode.

The working principle of the MIC38300HYHL-EV involves the use of the MIC38300 as a voltage regulator. When an external load is connected to the board, the MIC38300 acts as a switch to keep the load voltage within its preset limits. A comparison of the external load voltage to the internal reference voltage is done to ensure that the load does not exceed the maximum preset value. The MIC38300 is then able to activate transistors connected to the output rail, thereby controlling the output voltage. The MIC38300 also features an internal current limit and thermal protection circuit for safety, allowing the board to withstand high temperature and currents.

The MIC38300HYHL-EV is an ideal evaluation board for testing the operation of the MIC38300 voltage regulator. It has been designed to keep the device under test in a safe operating environment, ensuring that the device does not exceed its rated parameters and that its thermal protection circuit is properly activated. Furthermore, its adjustable output voltage range and various operating modes make it suitable for use in a range of applications, from automotive to mobile devices. The board also features LED indicators to give the user an indication of when the device is in current or thermal limiting shutdown mode, as well as to show the different operating modes.

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