CMR0505SA3C

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DC-DC converters are devices which can be used to convert a DC source voltage to either a higher or a lower voltage. CMR0505SA3C is a new type of DC DC converter. It is a synchronous rectified DC to DC converter with a low input voltage and high output voltage range. It is a non-isolated solution with synchronous rectification and smart power design. It features high efficiency over a wide output loading range, low noise and low temperature drifting.

The CMR0505SA3C DC-DC converter provides up to 15A of output current at 50V with an efficiency up to 94%. It is suitable for point of load ( PoL ) applications such as LCD monitors, embedded system applications or embedded power systems, and directly drives up to 50V output efficiently. The device also provides a unique feature of low voltage compensation ( LVC ) to maintain the excellent regulation performance at the output.

The main application of CMR0505SA3C DC-DC converter is to convert a DC source such as battery, AC mains or DC adapter to a regulated output voltage. It can be used in various devices such as high power LEDs, industrial automation, medical equipment, process control, networking and communication systems, test & measurement equipment or consumer applications.

The working principle of CMR0505SA3C DC-DC converter is based on peak-shift current-mode switching. It features a unique combination of peak shifting and current mode control, which can reduce switching loss and close the inner loop faster. The overall architecture is designed for high efficiency and a wide output voltage range. The output current is regulated by sensing the peak voltage of the inductor and comparing it to the reference voltage. The converter utilizes a synchronous rectification to reduce the switching loss and increase the efficiency.

The unique LVC mode also allows the CMR0505SA3C DC-DC converter to maintain a stable output from a decreasing input voltage. This feature helps reduce the input power and improve power saving mode. For maximum efficiency, the converter employs frequency jitter and duty cycle control to adjust the power distribution based on the load changes.

In conclusion, the CMR0505SA3C DC-DC converter is an ideal solution for low input voltage and high output voltage range applications such as LCD monitors, embedded system applications or embedded power systems. Its unique LVC feature allows the device to maintain a stable output from a decreasing input voltage which helps reduce the input power and improve power saving mode. The converter’s peak-shift current-mode switching and synchronous rectification are designed for high efficiency and a wide output voltage range.

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