A DC-DC Converter using a high speed soft-start control circuit

Author

Shibata, Kimio ; Pham, Cong-Kha

Author_Institution

Univ. of Electro-Commun., Chofu, Japan

fYear

2010

fDate

May 30 2010-June 2 2010

Firstpage

833

Lastpage

836

Abstract

In this paper, a high speed soft-start control circuit is proposed to implement the Current-Mode DC-DC Converter. The time for the soft-start does not depend on the load condition from no load to the maximum load current. The proposed circuit consists of SS_RAMP, VREF_RAMP and a small differential-voltage generator. The SS_RAMP is a piecewise linear voltage that has four different ramps. The VREF_RAMP is a linear ramp voltage. The HSPICE simulation results show that the proposed high speed soft-start control circuit to implement to the Current-Mode DC-DC Converter achieved 150μs and has been shortened to 1/50 compared with a commonly available high performance converter which achieves in about 7.5 ms.

Keywords

DC-DC power convertors; current-mode circuits; HSPICE simulation; current-mode DC-DC converter; differential-voltage generator; high performance converter; high speed soft-start control circuit; linear ramp voltage; maximum load current; piecewise linear voltage; Batteries; Circuit simulation; DC-DC power converters; Electronic components; Inductors; Piecewise linear techniques; Surges; Switches; Virtual colonoscopy; Voltage control; current-mode; dc-dc converter; inrush current; overshoot; soft-start;

fLanguage

English

Publisher

ieee

Conference_Titel

Circuits and Systems (ISCAS), Proceedings of 2010 IEEE International Symposium on

Conference_Location

Paris

Print_ISBN

978-1-4244-5308-5

Electronic_ISBN

978-1-4244-5309-2

Type

conf

DOI

10.1109/ISCAS.2010.5537434

Filename

5537434