High-frequency digital PWM controller IC for DC-DC converters

被引：474

作者：

Patella, BJ ^{[1
]}

Prodic, A

Zirger, A

Maksimovic, D

机构：

[1] Hewlett Packard Co Syst, Ft Collins, CO 80521 USA

[2] VLSI Technol Div, Ft Collins, CO 80521 USA

[3] Univ Colorado, Dept Elect & Comp Engn, Boulder, CO 80309 USA

[4] Natl Semicond Corp, Portable Power Syst, Longmont, CO 80501 USA

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 2003年 / 18卷 / 01期

关键词：

DC-DC switch-mode power conversion; digital control; digital pulse width modulation;

D O I：

10.1109/TPEL.2002.807121

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：

This paper describes a complete digital PWM controller IC for high-frequency switching converters. Novel architecture and configurations of the key building blocks are A/D converter, compensator, and digital pulse-width modulator, are introduced to meet the requirements of tight output voltage regulation, high-speed dynamic response, and programmability without external passive components. The implementation techniques are experimentally verified on a prototype chip that takes less than 1 mm(2) of silicon area in a standard 0.5 mu digital complementary metal. oxide semiconductor (CMOS) process and operates at the switching frequency of 1 MHz.

引用

页码：438 / 446

页数：9

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