TEN 40-4812N

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DC-DC converters are electronic devices that convert a DC input voltage to a different DC output voltage. A common example is a power supply that converts an AC mains voltage to a lower DC voltage. DC-DC converters are widely used in a variety of applications, such as telecommunications, automotive, and industrial systems. The TEN 40-4812N is a high performance DC-DC converter designed for telecom applications. It features a wide input voltage range of 20-72V DC and outputs a regulated 12V DC at up to 48A.

The TEN 40-4812N is a non-isolated type converter, meaning that the input and output grounds are connected. This allows for higher efficiency than isolated converters, as power does not need to be transformed between different ground potentials. The part also features a maximum efficiency of 96%, making it suitable for applications where power efficiency is important. The wide temperature operating range of -40°C to +85°C makes the device suitable for a range of environmental conditions. The device is housed in a standard quarter-brick package which allows for easy mounting and thermal management.

The working principle of the TEN 40-4812N converter is based on a buck topology. Buck converters are typically used when the input voltage is higher than the output voltage. The converter works by using a switch and power inductor to create a voltage divider circuit. This consists of an inductor and capacitor in series, connected between the input and output. When the switch is closed, current flows through the inductor, storing energy in its magnetic field. As the switch opens, the current flowing through it is reduced, and energy stored in the inductor is released and stored in the capacitor. This creates a stepped-down voltage at the output.

At the heart of the TEN 40-4812N is an advanced high frequency PWM control IC. This device controls the duty cycle of the switch so that the output voltage is regulated. The IC contains built-in protection features, such as over-voltage protection, over-current protection, and over-temperature protection, to ensure the device operates reliably and safely. The presence of the integrated protections makes the TEN 40-4812N ideal for harsh operating environments where reliable operation is critical.

The TEN 40-4812N is a robust, high-performance DC-DC converter ideal for telecom applications. It features a wide input voltage range of 20-72V DC, a maximum efficiency of 96%, and a standard quarter-brick package. The part has integrated protection features to ensure reliable operation in harsh environments. Its working principle is based on a buck topology, using a switch and power inductor to create a voltage divider circuit. This makes the device suitable for applications where power efficiency is important.

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