...临界电流模式；总谐波畸变 [gap=549]Keywords: Switching power supply; Active power factor correction; critical current mode; total harmonic distortion ...
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A critical current mode based on the peak current control technology to achieve switching power supply power factor correction task is proposed.
提出了一种基于临界电流模式的峰值电流控制技术来实现开关电源的功率因数校正任务。
Firstly it expounds peak current control technology of the critical current mode, then discusses a 100w laboratory prototype based on control chip UCC38051.
首先论述了临界电流模式的峰值电流控制技术的基本思想，其次论述了采用控制芯片ucc 38051制作了一台输出功率为100w的原理样机。
In this paper, we studied on critical current mode active Power Factor Correction technology, and did a detailed analysis and design on voltage reference circuit and analog multiplier circuit.
本文研究了有源功率因数校正技术中的临界导通模式的基本原理，并对其中的电压基准源和模拟乘法器做了详细的分析和设计。
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