VI-21P-EY-F1

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DC to DC converters are devices used to convert a single DC voltage level to another DC voltage level, typically with a transfer of energy between the two voltage levels. The VI-21P-EY-F1 is one type of DC to DC converter that can provide energy transfer from one DC power supply to another. It is an efficient, high-performance unit designed for applications that require tight regulation and fast transient response.

The VI-21P-EY-F1 is a synchronous buck-boost DC-DC converter that utilizes a unique Pulse Frequency Modulation (PFM) control technique to provide efficient operation over a wide input voltage range. It is designed to accept input voltages ranging from 9 to 50 VDC and provides a regulated, adjustable output voltage that can be set between 1.6 and 24 VDC. The output voltage can also be programmed to provide a fixed 5 or 12 VDC output option.

The VI-21P-EY-F1 can provide up to 21A of output current and is protected against short circuits and over-temperature conditions. Its adjustable output voltage is adjustable via 7 external sense pins, allowing it to be tailored to application-specific requirements. This device also incorporates soft-start circuitry to reduce in-rush current on startup.

The device\'s PFM control technique helps to reduce ripple and noise in the output, while also providing a very fast transient response time. The combination of these features helps to ensure that the output voltage remains tightly regulated, regardless of input voltage variations, line and load changes, or temperature fluctuations.

The VI-21P-EY-F1 is suitable for use in a wide variety of applications ranging from power supply modules, battery charging systems, and industrial robots, to telecommunications equipment and consumer electronics. Given its high efficiency, adjustable output voltage, and fast transient response time, it is an ideal choice for applications that require tight voltage regulation and fast response to transient conditions.

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