On the stability of V2C controlled boost converter in continuous conduction mode

The operation principle and the stability of V2C controlled boost converter operating in continuous conduction mode (CCM) is analyzed in this paper. It is found that V2C control is essentially a kind of control technique utilizing peak capacitor voltage and inductor current, quite similar to peak current control. Its corresponding control waveform and the sub-harmonic oscillation are investigated subsequently. It is shown that sub-harmonic oscillation can be eliminated by slope compensation. Simulation results are given to verify analysis results.

[1]  Bin Wang,et al.  Comparison Study of Switching DC-DC Converter Control Techniques , 2006, 2006 International Conference on Communications, Circuits and Systems.

[2]  Abraham Pressman,et al.  Switching Power Supply Design , 1997 .

[3]  P. Patra,et al.  Optimal slope compensation for step load in peak current controlled dc-dc buck converter , 2008, 2008 13th International Power Electronics and Motion Control Conference.

[4]  Xu Jian-ping.  Modeling and Analysis of V~2C Controlled Buck Converter , 2006 .

[5]  Thomas V. Papathomas.  On the Stability of Peak Current-Controlled Converters: Analysis, Simulation, and Experiments , 1986, IEEE Transactions on Industrial Electronics.

[6]  Jianping Xu,et al.  Modeling and simulation of V/sup 2/ controlled switching converters , 2003, The Fifth International Conference on Power Electronics and Drive Systems, 2003. PEDS 2003..

[7]  Hiroki Sakurai,et al.  Analysis and Design of a Current-Mode PWM Buck Converter Adopting the Output-Voltage Independent Second-Order Slope Compensation Scheme , 2005, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

[8]  R.D. Middlebrook,et al.  Topics in multiple-loop regulators and current-mode programming , 1985, 1985 IEEE Power Electronics Specialists Conference.

[9]  Xu Jun-feng.  MODELING AND ANALYSIS OF V~2 CONTROLLED BUCK CONVERTER , 2005 .