VI-23D-MW-B1

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DC DC converters, such as the VI-23D-MW-B1, are devices that convert a direct current (DC) to a different DC voltage level. The VI-23D-MW-B1 converter, in particular, is a high-efficiency, high-power, single-chip with an internal controller used for AC/DC power supplies. It is designed to run off a wide input voltage range and can give a stable output voltage.

The primary application field for the VI-23D-MW-B1 is telecommunications equipment, as well as medical imaging and consumer appliances. It is also widely employed as an electronic component for regulating voltage in electric current, providing steady and reliable performance.

The features of the VI-23D-MW-B1 converter include its wide input voltage range (6.5-20V), high power density (up to 1500W/in3), high efficiency (up to 96.7%), low electromagnetic interference (EMI), and high power factor (up to 0.95), with input range of ≤ 0.9A, output range of 0.9-7A, and a wide range of output voltage options, from 0.8V to 19V.

The working principle of the VI-23D-MW-B1 converter is based on the buck converter in switching power supplies. The buck converter works by allowing current to pass through a transistor switch between the input voltage and the output voltage. The voltage ratio across the switch is dependent upon the ratio of its pulse width modulation (PWM) “on” time, also known as the duty cycle. This is managed by a controllable oscillator, which determines how often the transistor switch is opened and closed.

The oscillator, in conjunction with the feedback loop, samples the output voltage and signals the controller to adjust the duty cycle. The controller then adjusts the ratio of the PWM “on” time, adjusting the transistor switches between the input voltage and the target output voltage. This is where the VI-23D-MW-B1 is able to maintain a steady output voltage, providing reliable performance. With all these features, the VI-23D-MW-B1 is a versatile and efficient DC-to-DC converter that is widely applicable in most DC applications.

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