SXN15-48S05

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DC-DC converters are widely used in many applications for powering electronic devices and changing voltage levels. The ability to transform a given voltage into a suitable voltage for a particular application is made possible by the use of a switched mode power supply (SMPS) unit, a type of DC-DC converter.

SXN15-48S05 is one such DC-DC converter designed as a surface mount module for higher current applications, operating at 15-48V input range and 5V output and satisfies high-performance demands. The module also offers thermal protection and high efficiency up to 94%. Widely used as an interface for electronic devices, its main application areas are automotive, medical, industrial, and computing.

Working Principle

The working of the SXN15-48S05 is based on the principle of switching mode power supply. It is basically a SMPS that works on the principle of pulse width modulation. In this case, the SXN15-48S05 acts as a step-down converter, which alters the voltage from the 15-48V input range to 5V output.

An onboard oscillator creates a variable signal with a fixed frequency. This signal is then used to control the widths of the pulses, whereby the duty cycle of the pulse determines the output voltage. The signal then controls a switch, which is usually a MOSFET that switches the energy from the input to the output.

The energy stored in the inductor flows to charge the output capacitor, while the switch is open. When the input voltage is greater than the output voltage, the inductor will release its power to maintain the output voltage. During this time, the switch remains closed, and the output capacitor voltage charges.

In order to assure that the output voltage remains within specifications, the signal is then compared against a fixed reference voltage. If the output voltage deviates, the duty cycle of the pulse is altered accordingly to modify the output voltage. This ensures that the voltage remains within the established limits, making the SXN15-48S05 one of the most reliable DC-DC converters available.

Conclusion

The SXN15-48S05 is a reliable DC-DC converter capable of transforming a given voltage into suitable voltage levels for multiple applications. Its main application areas include automotive, medical, industrial, and computing. This is possible through its switching mode power supply (SMPS) unit, which works on the principle of pulse width modulation and alters the voltage from the 15-48V input range to the 5V output.

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