ISM0112D15

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DC-DC converters are electronic components that convert one form of direct current (DC) to another. The ISM0112D15 is a type of converter that takes an input voltage and converts it to a specific output voltage. It is typically used in applications such as industrial controls, automotive systems, and communication systems. In this article, we will discuss the application field and working principle of the ISM0112D15 DC-DC converter.

The ISM0112D15 is a synchronous buck step-down DC-DC converter. It is designed to provide a constant output voltage with an input voltage range of 6V to 15V. The device supports an output current of up to 1.2A and an adaptive on-time control PWM. The output voltage is adjustable from 0.8V to 5.5V and can be set via an external resistor divider.

This DC-DC converter is designed to provide reliable power in industrial control, automation, motor control, automotive, and communications applications. It has a wide input voltage range, low ripple noise, and high efficiency. The device offers adjustable over-current protection, short-circuit protection, and thermal protection features. In addition, it is RoHS compliant and AEC-Q100 qualified for automotive applications.

The ISM0112D15 DC-DC converter uses a synchronous buck topology. In this topology, an inductor is connected between the input and output pins, and the output voltage is regulated by controlling the duty cycle of the switch. The device\'s PWM controller includes a voltage mode control circuit, a current limit circuit, and an adaptive on-time control circuit. This enables the device to provide high efficiency, low output ripple, and fast transient response.

The voltage mode control circuit is used to regulate the output voltage. It compares the feedback voltage and the reference voltage and then adjusts the duty cycle of the switch accordingly. The current limit circuit monitors the output current and limits the maximum current when it exceeds the set level. The adaptive on-time control circuit is used to optimize the switching frequency of the device. This ensures an efficient use of energy and prevents the device from entering into a continuous mode of operation.

The ISM0112D15 DC-DC converter is also equipped with external protection features such as over-current protection, short-circuit protection, and thermal protection. The over-current protection feature protects the device from over-current conditions by shutting down the device when the current exceeds the set level. The short-circuit protection feature is used to protect the device from potential damage caused by short-circuiting the output pins. The thermal protection feature is used to prevent the converter from overheating by shutting down the device when the temperature exceeds a certain level.

In conclusion, the ISM0112D15 is a synchronous buck step-down DC-DC converter that provides a constant output voltage with an input voltage range of 6V to 15V. It is typically used industrial controls, automation, motor control, automotive, and communications applications. The device uses a synchronous buck topology and incorporates external protection features. The device is suitable for high-efficiency, low-ripple, and fast transient response applications.

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