NKE1215DC Power Supplies - Board Mount

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DC-DC converters are commonly used in various applications for converting an input DC voltage to another, usually higher or lower, DC voltage. The NKE1215DC is a special type of DC-DC converter and is designed to provide a stable output voltage with a wide input voltage range, making it suitable for a wide variety of applications. In this article, we will discuss the NKE1215DC\'s application field and working principle.

The NKE1215DC has a wide input voltage range that covers from 2V to 28V as its input and provides a regulated output voltage of 5V or 12V. It is designed to offer high efficiency, reliable operation, low output ripple and long life. This makes it suitable for use in a variety of applications, including personal computers, communication equipment, instrumentation systems and other electronic devices.

The NKE1215DC operates on an isolated topology as it uses a transformer to provide galvanic insulation between the input and the output. This topology provides a high level of protection for the load by restricting any current that may flow between the two power planes. The output voltage is regulated by controlling the duty cycle of the switching oscillator. The duty cycle can be adjusted by adjusting the feedback voltage that is sensed at the output.

The NKE1215DC also features a combined switching controller and driver IC. This IC provides support for various safety features, such as an input under-voltage lockout, output over-voltage and over-temperature protection, as well as an output short-circuit protection. Additionally, an output over-current protection can be added to the IC, making it suitable for more demanding applications.

The NKE1215DC is also designed with a low standby power consumption, which makes it suitable for energy-efficient applications. It is equipped with a Soft-Start function that helps to reduce inrush current during startup and load transition. The controller IC also provides support for a Power Save mode, which reduces the switching frequency to reduce the overall power consumption when the load is light.

The NKE1215DC offers protection against a wide range of faults, including input under-voltage, output over-voltage, output over-current, output short-circuit and over-temperature. It also has an adjustable output voltage, allowing its output voltage to be set and maintained. This can be done via a voltage setting pin located on the controller IC.

The NKE1215DC is an efficient and reliable DC-DC converter that is suitable for a wide range of applications. It offers a wide input voltage range and a regulated output voltage, as well as a variety of safety features to protect the load from unwanted faults. Additionally, its low standby power consumption and adjustable output voltage make it suitable for energy-efficient applications.

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