SUW64815C

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DC DC converters are basically electrical circuits that maintain a fixed DC output voltage by altering input voltage. The SUW64815C converter is one such application from Murata Power Solutions. It is a high-efficiency, wide-input single channel converter.

The SUW64815C has a low-voltage input range of 4-15 VDC and a wide-input temperature range of -40 to +85 °C. It is especially designed for use in applications where a low-voltage source needs to be boosted up to a higher output. It has a high accuracy of ±1%. The converter features a PFM (pulse frequency modulation) mode of operation, which provides excellent stability and high efficiency even during low-load conditions. The output current is limited to 1.25A and the output voltage can be adjusted from 5V to 15V.

The SUW64815C converter has a wide range of applications such as industrial equipment, automotive, avionics, handheld devices, etc. It is designed to work in a temperature range of -40 to +85°C and can withstand shock and vibration up to 20G and 200m/s² respectively. Furthermore, it features built-in protection against over-voltage, over-temperature, over-current and short-circuits.

The SUW64815C operates in a PFM mode that helps to maintain high efficiency over varying load conditions. In this mode, the converter switches the output voltage on and off at very fast intervals and the frequency of switching varies depending on the load current drawn from the output. The output voltage is regulated by proportionately increasing or decreasing the duty cycle. This in turn reduces switching losses, which increases the overall efficiency of the converter.

The SUW64815C is also designed with a selectable output voltage limit. This feature prevents output voltage overshoot during start-up and allows the converter to safely operate in a range limited by a 24V maximum voltage. This eliminates the need for an external protection circuit in order to efficiently and safely operate the converter.

The SUW64815C is an excellent choice for applications where a low-voltage and wide-input range DC DC converter is needed. It delivers high efficiency, a wide-temperature and input range, and switches at a wide frequency. It is simple, compact, and requires very little external circuitry, making it an ideal choice for many industrial, automotive, and other applications.

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