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首页> 外文会议>Twenty-Eighth Annual IEEE Applied Power Electronics Conference and Exposition >Integrated low-ripple fast-transient switching power converter with dynamic current compensation and sensor-free quasi-SCB hysteretic control
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Integrated low-ripple fast-transient switching power converter with dynamic current compensation and sensor-free quasi-SCB hysteretic control

机译：集成式低纹波快速瞬态开关电源转换器，具有动态电流补偿和无传感器的准SCB滞回控制

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摘要

A low-ripple, fast-transient, switching power converter is presented in this paper. It employs a dynamic current compensation (DCC) technique to enhance load or dynamic voltage scaling (DVS) tracking transient responses. A sensor-free, quasi-single-current-band (quasi-SCB) control is proposed to obviate the use of large-ESR filtering capacitor in conventional hysteretic control, leading to highly reduced output voltage ripples. The converter was designed with a TSMC 0.35µm CMOS process. Its input voltage can vary from 2.7 to 3.3V while the output can be regulated at any voltage level from 0.5 to 1.8V, at a switching frequency of 500kHz. Compared with its conventional counterpart, the converter achieves 153 times and 15 times speed improvement on load transient and DVS tracking, respectively.
机译：本文提出了一种低纹波，快速瞬态开关电源转换器。它采用动态电流补偿（DCC）技术来增强负载或动态电压缩放（DVS）跟踪瞬态响应。为了避免传统的磁滞控制中使用大型ESR滤波电容器，建议采用无传感器的准单电流带（准SCB）控制，从而大大降低了输出电压纹波。该转换器采用TSMC 0.35µm CMOS工艺设计。其输入电压可以在2.7至3.3V之间变化，而输出可以在500kHz的开关频率下在0.5至1.8V的任何电压电平下进行调节。与传统产品相比，该转换器在负载瞬态和DVS跟踪方面分别实现了153倍和15倍的速度提高。

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