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

被引：466
|
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
收藏
页码：438 / 446
页数：9
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