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Switched-Mode Power Supply Des
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2009-11-28
欲望都市
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Switched-Mode Power Supply Design Manual:Switched-Mode Power Supply (SMPS) design is a slow iterative process involving cycles of calculation and experimentation on real hardware. Simulations of SMPS circuits by conventional methods is slow because many switching operations need processing. State-averaging provides all major SMPS characteristics quickly without simulating individual switching cycles, but retaining the transfer characteristics of the circuit. State averaged models of power supply configurations form the basis of this product.The software described in this manual alleviates the problem of excessive simulation time and allows simulation of switching power supplies in both time- and frequency-domains. Various standard configurations of power supplies have been modeled, each of which can be tailored to a designer’s required
application.This software has been designed to run exclusively with the VeriBest Analog Simulation Engine (VBASE), and the VeriBest DIABLO Behavioral Language Option. Detailed information about DIABLO can be found in the VeriBest Analog Simulation Engine Reference Manual.
A technique known as state-averaging was used to produce the models for this design aid. The stateaveraging technique will be explained in detail in this chapter, but briefly, state-averaging allows the designer to examine the overall transfer-characteristic of the supply without performing any switching operations. This leads to fast simulation runs and allows examination of the usual test criteria such as step-load-changes, overshoot, settling time and gain- and phase-margin.
application.This software has been designed to run exclusively with the VeriBest Analog Simulation Engine (VBASE), and the VeriBest DIABLO Behavioral Language Option. Detailed information about DIABLO can be found in the VeriBest Analog Simulation Engine Reference Manual.
A technique known as state-averaging was used to produce the models for this design aid. The stateaveraging technique will be explained in detail in this chapter, but briefly, state-averaging allows the designer to examine the overall transfer-characteristic of the supply without performing any switching operations. This leads to fast simulation runs and allows examination of the usual test criteria such as step-load-changes, overshoot, settling time and gain- and phase-margin.
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