PXCM0348WS05A Power Supplies - Board Mount

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DC-DC converters are essential for many applications in modern power electronic systems, such as telecommunications, computers, and data processing networks. The PXCM0348WS05A is one such device, and it offers a number of advantages over other solutions. In this article, we’ll take a closer look at the application field and working principle of this device.

The PXCM0348WS05A is a synchronous buck switching DC-DC converter that has a 4-A (max) output current. It is designed with a wide adjustable output voltage from 0.8V to 5.5V. Additionally, the device integrates a 0.5V reference voltage and has excellent ripple rejection of up to 85dB. Furthermore, the device features a high efficiency of up to 92%.

The PXCM0348WS05A is an ideal choice for power supplies used in highly integrated applications. Its unique design provides several beneficial features that make it well-suited for use in those demanding environments. The switch frequency of up to 500kHz enables the device to be used in systems that require short response times. And the integrated soft start-up circuit helps to reduce the inrush current during start-up.

The device’s wide operating voltage range of 4.5V to 20V makes it suitable for use with a variety of different power sources. This means it can be used in systems that need to cope with changing input voltages. Additionally, the low-temperature cycle can be used to protect the device from voltage fluctuation and thermal stress, further enhancing its versatility. Finally, the device has a high switching frequency of 33MHz, meaning that it’s capable of quickly delivering the required output voltage.

The PXCM0348WS05A is also highly integrated and easy to use. It features over-temperature protection, overload protection, and under-voltage lockout in order to protect the device against excessive input voltage. It also includes thermal shutdown protection, output short-circuit protection, and active cycle gating to reduce power usage. In addition, there is frequency synchronization and over-voltage protection for enhanced safety.

The working principle of the device is simple. The device receives power from the input DC power source, which is then converted to a regulated DC output voltage determined by an external voltage reference. The device also monitors the output voltage to ensure it remains within safe limits. The output voltage is continuously regulated by adjusting the switching frequency and duty cycle of the power switches, which adjusts the current through the output inductor.

In conclusion, the PXCM0348WS05A is an ideal choice for DC-DC conversion applications, thanks to its high efficiency, wide operating voltage range, integrated protection, and fast switching time. It is also easy to integrate and use — making it a great solution for a wide range of applications.

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