V300A3V3M200BF3

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DC-DC converters are widely used in many military, industrial, and commercial applications. They are the backbone of any energy system, providing energy efficient, reliable, and safe electrical regulation and management of various DC-DC inputs. The V300A3V3M200BF3 is a compact, scalar control DC-DC converter from Vernier that offers superior performance in its class.

The V300A3V3M200BF3 is specifically designed to convert a wide range of DC input voltages from 12 to 48V into an output voltage of 3.3V. The scalar control architecture regulates the output voltage by varying the duty cycle of the control switch over a wide range of output current. The device is rated for continuous output currents up to 200mA, with up to 10A of in-rush current. In addition, the V300A3V3M200BF3 includes thermal and short-circuit protection, as well as a wide input voltage range.

The V300A3V3M200BF3 requires 6 external components and minimal external wiring to assemble. It utilizes an internal power MOSFET and current-mode control topology. The switching frequency can be adjusted from 300kHz to 1MHz depending on the application requirement. This makes the device an ideal choice for applications wherein the output voltage must remain constant regardless of the load requirements. The V300A3V3M200BF3 features over-temperature protection via its integrated thermal sensor, which shuts down the converter when temperatures exceed a predetermined limit.

A wide range of applications can take advantage of the V300A3V3M200BF3 as it is designed for various industrial applications such as telecommunications, test and measurement equipment, military and medical applications, and other types of DC-DC conversion-reliant systems. It offers a 50µA quiescent current, low radiated emission, and maximum input surge voltage of 50V.

The V300A3V3M200BF3’s working principle revolves around scalar control to achieve its output voltage. Scalar control is a switching frequency control technique that varies the duty cycle and switching frequency of the MOSFET switch. As the load reaches a certain level, the control logic adjusts the duty cycle of the FET, reducing the output voltage linearly. This, in turn, maintains the output voltage regulated at the desired level.

In summary, the V300A3V3M200BF3 is a feature-rich DC-DC converter designed to provide reliable voltage conversion between DC inputs of 12 to 48V and an output of 3.3V with a maximum current of 200mA. It incorporates the scalar control technique to attain its performance and features a wide range of input and output capabilities. The device is suitable for a variety of industrial applications.

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