V72C5M100B3

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DC–DC converters are electrical devicesused for converting the voltage of a DC source (typically a battery) to another DC voltage leveling and/or providing electrical isolation. The V72C5M100B3 converter is a component belonging to this type of converter. This specific converter is a fixed frequency, variable input voltage, monolithic, sepic style DC-DC converter.

Application Field and Working Principle of V72C5M100B3

Application Field

The V72C5M100B3 converter is mainly used in protection, communication, outdoor and automotive applications. Examples for such applications are, but not limited to, passenger entertainment systems, satellite data link, in-car network, in-flight Wi-Fi link, smart meters, base stations, computer motherboards, industrial equipment, etc.

Working Principle

The V72C5M100B3 converter is an isolated power module based on a SEPIC converter topology. The SEPIC topology is a type of buck-boost converter that is able to raise or lower a voltage while at the same time maintaining an isolated output voltage from the input voltage. This kind of converter uses a single switch and a single inductor to convert the voltage level. The operation is generated by a fixed frequency control. This control uses PWM (pulse width modulation) to switch on the switch at the desired time. The output voltage is regulated by a loop (called feedback loop) where a controller is used to control the output voltage.

The loop consists of the output voltage, the error amplifier and the PWM comparator. The output voltage is compared to a reference level and the difference is then amplified to produce an error signal. This signal is then used to control the duty cycle of the PWM comparator, thus adjusting the output voltage to the desired level.

The V72C5M100B3 converter offers a high efficiency, it is capable of regulating the output voltage from 0.5V to 5V and can deliver up to 72W of power with up to 100V of input voltage. Furthermore, the built-in EMI filter allows to secure robust operation in any application while keeping minimal noise.

Conclusions

The V72C5M100B3 converter is a reliable and efficient solution for applications in the communication, protection, automotive and outdoor markets. This converter provides a high power density, good power efficiency, wide input voltage range and robust operation in any environment. Furthermore, the EMI filter built-in guarantees minimal noise while operating. This converter is the perfect choice for applications where efficiency, reliability and robustness are paramount.

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