estimator configured to determine an estimated inductor current through an inductor of the switching converter based on a previous sample of a current through the inductor and a switch control configured to control activation and deactivation of the at least one switch based on the estimated inductor...
Figure 3shows a low-cost buck-boost converter based on the LM5010 buck-regulator IC that converts a 10 to 50V positive supply voltage into –12V. Although many applications use a fixed switching frequency and modulate the output pulse width, this design features a constant-on-time approach in...
Continuous conduction mode (CCM) boost converter is difficult to compensate due to the right half plane (RHP) zero. This paper presents a quasi fixed frequency constant on time (COT) controlled boost converter, it has no loop compensation requirement. With the proposed COT control, pulse frequenc...
14. The controller of claim 12, wherein the boost converter includes a first switch and the inverting buck converter includes a second switch, said controller further comprising: a constant on-time generator for turning on the first sw... MM Walters - EP 被引量: 3发表: 2012年 Two-level ...
电子科技大学 UNIVERSITYOFELECTRONICSCIENCEANDTECHNOLOGYOFCHINA 专业学位硕士学位论文 MASTERTHESISFORPROFESSIONALDEGREE 论文题目基于ConstantOff-TimeBOOST变换器 的环路研究与设计 专业学位类别 工程硕士 学号 201522032034 作者姓名 魏秀凌 指导教师明鑫 副教授 分类号 密级 UDC注^ 学位论文 基于 ConstantOff-TimeBOOST ...
An adaptive <sc>on/off</sc>-time approach is adopted to regulate the switching frequency and also to retain high load efficiency. A 100-W 12/48-V 3L-FC boost converter prototype is developed in the laboratory. Experimental results are presented to demonstrate superior transient performance with...
On-chip boost regulator with projected off- and on-time control The boost type power supplies are widely used in portable consumer electronics to step up the input voltage to adapt for the high voltage applications like... Xiao-ru,XU,Meng-lian,... - 《Journal of Zhejiang University》 被引...
Setting the crossover frequency to 1/5 of the switching frequency: f0 = fsw/5 = 1 MHz/5 = 200 kHz Setting the compensation zero at 1/5 to 1/10 the crossover frequency for the phase boost: FZ = 1 2π x RC x CC = F0 5 Setting CC = 1 nF and solve for RC RC = ...
In contrast to the conventional boost power factor correction (PFC) converter, the buck PFC converter can achieve high efficiency in the entire universal input voltage range. A critical conduction mode (CRM) soft-switched buck PFC converter with constant on-time control is presented in this paper...
Description 1 SW Switching Node 2 BST Boost Pin 3 N/C Do not connect 4 RTN Ground pin 5 UV Input pin for the under voltage indicator 6 UVO Under voltage status indicator 7 FB Feedback Input from Regulated Output 8 RT/SD On-time set pin and shutdown input 9 VCC Output from the ...