VWRAS2-D12-D12-SIP

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DC DC Converters

DC to DC converters are circuitry designed to convert dc current from one voltage level to another. The VWRAS2-D12-D12-SIP is a high-performance dc dc converter specifically designed for low impedance, high frequency power applications. In this article, we will delve into its application field and explore its working principle.

Application Field

The VWRAS2-D12-D12-SIP dc dc converter is designed for applications which require low impedance, high frequency power, such as thin-film transistor (TFT) LCD and video displays, as well as graphics and audio processors. It is also suitable for high speed power switching, typically seen in power driver, speed control and motor control circuits. Additionally, its small size and efficient design make it suitable for embedded applications, such as digital micro-controllers, PDAs, cell phones and notebook computers.

Working Principle

The VWRAS2-D12-D12-SIP employs a flyback topology with synchronous rectification, producing a regulated power supply from an input voltage range of 6-14V dc. The output voltage is adjustable from 0.8 to 12V dc, making it ideal for powering devices with different operating voltages. The power loss of the dc dc converter is very low, making the unit ideal for energy efficient applications.

The dc dc converter consists of primary and secondary windings for charging the output capacitor. A power MOSFET is used as the main switch, triggering a transformer with high frequency through a pulse width modulation (PWM) control circuit. When powering a device, the main switch is open, causing the output capacitor to be charged. Then, the main switch is closed and the charged energy is released in the form of high frequency pulse width modulation (PWM) signals in the transformer. This in turn causes current in the secondary winding of the transformer which is then converted to the appropriate output voltage provided to the device.

Conclusion

The VWRAS2-D12-D12-SIP dc dc converter is a high performance, compact device designed for low impedance, high frequency applications. It employs flyback topology with synchronous rectification, with adjustable voltage output range of 0.8 to 12V dc. The unit also boasts impressive power efficiency, making it ideal for energy efficient applications. We now have an understanding of the application field and working principle of the VWRAS2-D12-D12-SIP dc dc converter, enabling us to better select the appropriate dc dc converter for our application.

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