VI-2NZ-IY

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DC-DC converters are devices that can change the electrical output of a DC source, such as batteries, to a desired voltage or current level. In a VI-2NZ-IY application, the converter is used to step up the voltage of a low-voltage DC source to a higher-voltage DC power to operate other components or devices.

The VI-2NZ-IY is a high-efficiency DC-DC converter that can boost a 3.3V input voltage to an output voltage range of 5V to 15V with minimum efficiency of 85%. The device consists of two stages of regulation: the first comprises a buck-boost converter that regulates input to 1.5V and the second stage consists of an on-chip DC-DC converter that steps the voltage to the desired output levels.

A unique feature of the VI-2NZ-IY is its integrated high-precision Analog-to-Digital Converter (ADC), which allows for faster and finer tuning of the converter. It also allows for monitoring of the output voltage over the complete range and can support programmable over-current, over-voltage and short-circuit protection.

The VI-2NZ-IY can operate in either current-mode or voltage-mode control. In current-mode control, the output voltage is set by controlling the output current. The current-mode control is used when the load is not sensitive to voltage variations. In voltage-mode control, the output voltage is set by controlling the voltage at the feedback resistor. This mode is used when the load is extremely sensitive to voltage variations.

The VI-2NZ-IY also has an adjustable frequency control. It can control switching frequency from 250 kHz to 2.2 MHz in order to minimize the size of external components. The converter is also equipped with a line-under voltage lockout (UVLO) circuit , which shuts down the converter at low input voltages to protect the power source.

The VI-2NZ-IY can provide an output current ranging from 300 mA to 1.25A. It has a maximum voltage spike suppression voltage of 15V and a minimum input voltage of 1V. This makes it ideal for a variety of applications, including automotive, medical, consumer, and industrial applications.

Overall, the VI-2NZ-IY is a high-efficiency DC-DC converter that can provide precise and adjustable output voltages. Its high-precision ADC, adjustable frequency control, and adjustable current control provide excellent performance, making it an ideal device for many applications.

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