NSD15-48S3

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DC-DC converters are widely used in electrical systems such as automobiles, robotics, communication and medical devices as well as commercial and military applications. The NSD15-48S3 is a type of DC-DC converter manufactured by AEL, renowned for its efficient and reliable operation. It is suitable for applications such as circuit protection, isolation, and distribution of DC power and load regulation.

The NSD15-48S3 is a 1 form A, 15 W, 48 Vdc to 3.3 Vdc non-isolated, DC-DC converter. It provides excellent efficiency, wide input range, adjustable outputs, and high thermal performance. It is designed to meet MIL-STD-810, EN60601-1, UL60950-1, and IEC60721-3-3 standards. It features a wide input range of 16 to 48 Vdc and a quiescent current of 250 µA.

The NSD15-48S3 has a wide output current range of 0 to 5 A, with a maximum output power of 15 W. Its input voltage range is adjustable from 16 to 48 Vdc. It is designed with an over voltage protection circuit that can protect the device from over voltage conditions, such as a faulty power supply or unexpected power surge. It also incorporates short circuit and over temperature protection.

The NSD15-48S3 features a built-in constant current limiting circuit that limits the output current to 5 A. This feature allows the users to use higher dynamic loads compared to other types of converters. It also features an ON/OFF pin that enables the users to select the ON and OFF state of the device from the input voltage. The device is equipped with an auto retry function for recovering from a short circuit event.

The NSD15-48S3 has a wide operating temperature range of -40°C to 85°C. It is also designed to withstand up to 5 G vibration and 10 G shocks. It is packaged in a compact, micro-sized SIP package, making it space-efficient and easy to use.

The NSD15-48S3 operates in a buck-boost converter circuit, which is a DC to DC converter circuit. It is used in applications where the input voltage varies over a wide range. The buck-boost converter circuit is composed of a voltage regulator, an inductor, and two diodes. It operates by alternatively connecting the inductor and the diode to the power source, allowing it to accept either high or low voltage.

When the input voltage is lower than the required output voltage, the inductor is connected to the input voltage and the diode is not connected. This causes the inductor to store and deliver energy to the output when the voltage is low. Conversely, when the input voltage is higher than the output voltage, the diode is connected to the input voltage, allowing it to pass current to the output when needed.

To ensure reliable and safe operation, the NSD15-48S3 features an internal input-output differential selectable filter, which blocks high frequency noise and keeps the output voltage stable. It also contains a temperature compensated current limit circuit, which prevents the device from overheating by limiting the output current according to its operating temperature.

In conclusion, the NSD15-48S3 is an advanced, versatile DC-DC converter designed to meet the demanding requirements of a wide variety of applications. It offers excellent efficiency, wide input range, adjustable outputs, high thermal performance and robust protection. With its built-in features and compact package, it is one of the best solutions for circuit protection and DC power regulation.

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