VTM48EF030T070A00

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DC-DC converters are electronic devices that convert direct current (DC) from one voltage level to another. They come in a variety of designs and types – such as buck converters, boost converters, flyback converters, and more – and are available as integrated circuits (ICs) or discrete components. The VTM48EF030T070A00 is a synchronous step-down converter developed by Vicor’s Vi*lOR™ product family. In this article, we will discuss the application field as well as the working principle of this particular model.

Applications of VTM48EF030T070A00

The VTM48EF030T070A00 is a high-efficiency, synchronous step-down DC-DC converter intended for use as the main or equalizer current/voltage converter in dc-dc power systems. The device features include a maximum input voltage of 36 V, a maximum continuous output current of 78 A and an output voltage range of 0.6 V to 36 V. It also provides a highly adjustable output voltage range through an accurate, low power control loop, current sharing for multi-phase applications, and remote sense for optimizing voltage regulation.

The VTM48EF030T070A00 is suitable for a broad range of applications such as powering high-end FPGAs, ASICs, and GPUs as well as driving high current accessories, such as industrial motors, high-efficiency lighting, and digital signal processors. The device is an ideal solution for distributed power systems, providing improved performance and reliability while simplifying and speeding up the development process.

Working Principle of VTM48EF030T070A00

The VTM48EF030T070A00 is based on a synchronous buck-converter design, which uses one power semiconductor switch and one diode (normally referred to as synchronous rectification) to regulate the output voltage. The device starts up from a wide input voltage range, and also provides power management with programmable current level limiting, undervoltage lockout, and an enable control function.

The major advantages of the VTM48EF030T070A00 are its high efficiency and wide operating range. Its high efficiency is attributed to the synchronous rectification topology which reduces power losses, and to its advanced PWM controller, which is based on a bandgap voltage reference for improved line and load transient response and excellent line and load regulation. The device’s wide operating range allows it to be used in various applications, allowing for power topologies with high efficiency and compact form factor.

The VTM48EF030T070A00 also provides an array of programmable features, including adjustable slope compensation and programmable soft-start for improved transient performance, and an external temperature monitor and over-temperature flag for thermal management.

In addition, the VTM48EF030T070A00 offers a range of digital and analog control features, such as output voltage sequencing, voltage margining and remote sensing. These features make it an ideal solution for power-system designs that require precision, flexibility and robustness.

Conclusion

The VTM48EF030T070A00 is a high-efficiency, synchronous step-down DC-DC converter developed by Vicor’s Vi*lOR™ product family. The device is suitable for a broad range of applications such as powering high-end FPGAs, ASICs, and GPUs as well as driving high current accessories, such as industrial motors, high-efficiency lighting, and digital signal processors. It is based on a synchronous buck-converter design, and provides power management with several programmable features. Its wide input voltage range and high efficiency make it an ideal solution for distributed power systems, providing improved performance and reliability while simplifying and speeding up the development process.

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