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DC DC Converters

DC/DC converters are electronic circuits, which are used to convert a direct current (DC) power source to a different direct current voltage. The most common use of a DC/DC converter is to convert a higher DC voltage to a lower DC voltage. The converter achieves this by using switching elements such as transistors or relays, and an energy storing element like a capacitor or inductor. The most commonly used DC/DC converters are step-down converters and buck converters.

V72B48C250BS3 application field and working principle

The V72B48C250BS3 is a step-down DC/DC converter designed for use in a variety of applications, such as LED lighting, portable electronics, automotive and more. This converter is optimized for size and efficiency while providing wide input ranges and low power consumption. The V72B48C250BS3 has a wide input voltage range of 12-48V and provides a constant output voltage of 25V with a maximum output current of 5A. The converter features synchronous rectification for increased efficiency, as well as over-voltage protection, over-current protection, and short circuit protection.

The V72B48C250BS3 works by controlling the on and off time of a power switch. When the LED is on, a constant current output of 25V is supplied to the load. When the power switch is off, a charge is stored on the inductor, which is then used to maintain the output voltage when the power switch is off. This switching provides power conversion from an input to the output. The converter uses a control loop to regulate the output voltage and current, and the power switch operates at a frequency above the audible range to minimize switching noise.

The V72B48C250BS3 is ideal for use in space-constrained applications that require a wide input range and high efficiency. The converter features low power consumption and has a maximum operating temperature of 125°C. It is CE, FCC, and UL certified for safety, and is backed by a two-year limited warranty.

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