VE-J74-MZ-F4

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DC–DC converters are power electronic circuits that convert a direct current (DC) voltage from one level to another. The VE-J74-MZ-F4 from Vicor is an adjustable bus converter, ideal for use in applications that require high efficiency, board space, and power density. The device provides a practical and cost-effective alternative to conventional discrete solutions by utilizing the Vicor VI chips architecture.

Introduction to VE-J74-MZ-F4

The VE-J74-MZ-F4 is a fully integrated, low profile, high efficiency, single-stage bus converter with 16.3V nominal output voltage. The package size is 8.6mm x 21mm, making it ideal for high power density requirements. The device is ideal for powering processor cores and I/O voltages for digital circuitry. The VE-J74-MZ-F4 also features a low input ripple current (LIAC) mode, that allows the device to run at high efficiency for low output currents, allowing it to operate efficiently at a wide range of output currents.

Application field for VE-J74-MZ-F4

The VE-J74-MZ-F4 is ideal for applications requiring high efficiency, compact design, and high power density. It is well suited for powering processor cores, I/O voltages, and digital circuitry in notebook, server, industrial, embedded, and consumer applications.

The VE-J74-MZ-F4 is also ideal for telecom, LEDs, instrumentation, medical applications, and other power systems that require high efficiency and high power density. Its tight output regulation allows it to maintain precise voltages over wide temperature and load variations.

Working Principle of VE-J74-MZ-F4

The VE-J74-MZ-F4 uses a flyback topology, which is the simplest topology of a DC-DC converter. It uses a primary-side switching power stage to regulate an output voltage, with the primary side regulating the voltage. The primary switch supplies short bursts of power during each cycle to a storage inductor. Energy stored in the inductor is converted to the output voltage on the secondary side via an energy transfer.

The VE-J74-MZ-F4 uses an external control circuitry to monitor and regulate the output voltage. This control circuitry, combined with the flyback topology, ensures a quasi-constant output voltage over a wide range of temperatures and loads. The stability and accuracy of the VE-J74-MZ-F4’s output voltage is maintained by internal compensation.

Conclusion

The VE-J74-MZ-F4 is a highly efficient DC-DC converter that provides a cost effective solution for a variety of applications. Its flyback topology allows it to maintain precise output voltages over wide variations in temperature and load. The device is ideal for powering processor cores and I/O voltages for digital circuitry in a variety of settings, and is well suited for applications that require high efficiency, compact design, and high power density.

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