High Frequency 24 V-to-1 V DC-DC Converters Using EPC’s Gallium Nitride (GaN) Power Transistors
24 V input DC-DC converters find use in a variety of systems including pre-regulators for on board Voltage Regulating Modules (VRMs) of high performance systems. Additional conversion is then required to bring the voltage to levels suitable for operating the processor. In addition to demanding high currents, high performance processors require fast and responsive power sources to account for high current demand fluctuations specially when they switch from an inactive state to an active one. Transient response of the power source in such systems plays a detrimental role in the effectiveness and response of the overall system.
Since VRMs are required to provide high cur-rents at a very short notice, they are generally “on board” products. With system sizes constantly in a downward motion, it is important that the VRM not consume a considerable portion of real estate on board to allow for integration of more and more functions as they become necessary.
EPC’s GaN transistors offer the possibility to eliminate the intermediate stage and provide a VRM for direct conversion from 24 V to the final voltage levels, while preserving overall system response and performance. Furthermore, small space requirements of EPC’s GaN transistors allow integration of the 24 V – 1 V converter on directly on-board, alongside the processor.
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[ DC-DC Converters ] |
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Technical Documentation |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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2017/06/16 |
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AN007 |
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600 KB |
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