ISH1224A-H

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DC DC converters like the ISH1224A-H are power supply devices that convert a DC source into a regulated DC output. They can typically provide an output voltage different from the input voltage, and supply power to certain loads that need a specific voltage and current.

The ISH1224A-H is an isolated DC DC converter that converts an input voltage of 5-20V DC to 12V DC while providing 5A of output current. It operates with a high-efficiency synchronous-rectified buck topology and provides a regulated output voltage with low ripple. The total power delivered is up to 60W and the power density is up to 4.2W/inch3.

Apart from being used in applications that require an isolated DC output voltage, the ISH1224A-H is used in a wide range of applications. Firstly, it is ideal for providing reliable high-density low-power isolated power in battery-powered systems. By automatically adjusting the output voltage, it ensures that the output voltage is constant while preserving battery life. Secondly, the device is used in automotive and industrial control systems for controlling servo motors, sensors and other loads. Thirdly, it is used in medical and telecommunications devices for providing 12V supply voltage stability.

The working principle of the ISH1224A-H can be broken down into three stages: voltage conversion, current limit, and regulation. In the voltage conversion stage, the ISH1224A-H uses a buck converter topology to step down the input voltage to the desired output voltage. In the current limit stage, it uses a current limit detector circuit to monitor the output current and limit it when it exceeds the set threshold. This stage is necessary for protecting the device from overload and short circuit. Finally, in the regulation stage, a feedback loop is used to regulate the output voltage and ensure that it remains within the target range.

To summarize, the ISH1224A-H is an isolated DC DC converter that can provide power to systems that require a specific voltage and current. Its wide range of applications include automotive and industrial control systems, medical and telecommunications, and battery-powered systems. In terms of working principle, it converts the input voltage in a buck topology, limits current, and regulates the output voltage using a feedback loop.

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