Voltage loop of boost PWM DC-DC converters with peak current-mode control

被引：99

作者：

Bryant, B ^{[1
]}

Kazimierczuk, MK ^{[1
]}

机构：

[1] Wright State Univ, Dept Elect Engn, Dayton, OH 45435 USA

来源：

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS | 2006年 / 53卷 / 01期

关键词：

peak current-mode control (PCM); pulsewidth modulated (PWM) power converters; sample-and-hold effect; switch-mode power supply; voltage loop control;

D O I：

10.1109/TCSI.2005.854611

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A new transfer function from control voltage to duty cycle, the closed-current loop, which captures the natural sampling effect is used to design a controller for the voltage-loop of a pulsewidth modulated (PWM) dc-dc converter operating in continuous-conduction mode (CCM) with peak current-mode control (PCM). This paper derives the voltage loop gain and the closed-loop transfer function from reference voltage to output voltage. The closed-loop transfer function from the input voltage to the output voltage, or the closed-loop audio-suceptibility is derived. The closed-loop transfer function from output current to output voltage, or the closed loop output impedance is also derived. The derivation is performed using an averaged small-signal model of the example boost converter for CCM. Experimental verification is presented. The theoretical and experimental results were in good agreement, confirming the validity of the transfer functions derived.

引用

页码：99 / 105

页数：7

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