V28A28M200BG3

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DC-DC converters are components of systems which convert direct current from one voltage level to another. Their main application is to provide an interface between DC sources and DC loads in various electronic systems.
The V28A28M200BG3 converters are one of the most reliable components for DC-DC conversion. They are able to offer an accurate voltage output with a low ripple for both normal and low output current levels. The maximum and minimum output voltage of the V28A28M200BG3 converter can be easily programmed and adjusted by using onboard trim controls. The fast-response design of the device ensures fast transient response and high efficiency. The integrated protection circuit allows the converter to operate safely in a wide voltage range.

Working Principle

The V28A28M200BG3 converter utilizes a buck+/-boost step-down/step-up DC-DC converter topology. This type of interface allows the input and output voltages to be adjusted independently. The input voltage is regulated by a buck regulator stage while the output voltage is regulated by a +/-boost regulator stage. This topology enables the input and output voltages to be changed without compromising the efficiency, accuracy and power density of the device. Both stages are controlled by a single pulse-width modulation (PWM) controller.When operating in buck mode, the output voltage is set with a voltage divider and the on/off control of the internal MOSFET switch is activated by the PWM. When the MOSFET is off, the voltage across the inductor is stored and is released into the output capacitor when the MOSFET is activated again. This process repeats itself, thus creating alternating current (AC) on the output terminal.In addition to the buck mode, the +/-boost regulator is used to regulate the output voltage. This is achieved by controlling the ratio of the two MOSFET switches, which are connected between the input and output terminals. Watching the capacitor voltage, the PWM controller adjusts the switching ratio to ensure that the output voltage is set correctly.

Application Field

The V28A28M200BG3 DC-DC converters are suitable for a wide range of applications. They can be used to provide an interface between a DC source and a DC load, such as a solar panel and a battery. The converters can also be used to step-down/step-up a low/high voltage input in order to provide the desired output voltage. The device is also well-suited for converting DC power from one voltage level to another in order to power DC motors, LED lighting, power supplies, and more.The V28A28M200BG3 converters offer high efficiency, low noise, wide voltage range, and low cost. These features make it an ideal choice for applications which require reliable and accurate power regulation. With its fast transient response, the converter is also well-suited for real-time control, such as in motor control and robotic systems.

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