Quick-loading voltage regulating circuit
A technology for loading voltage and regulating circuits, which is applied in the direction of regulating electric variables, control/regulating systems, electrical components, etc., and can solve problems such as limited loading speed and affecting the fast response load of CUP
Inactive Publication Date: 2015-07-15
CHENGDU UNIV OF INFORMATION TECH
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Problems solved by technology
[0005] The purpose of the present invention is to provide a fast loading voltage regulation circuit, which aims to solve the problem that the loading speed of the traditional Buck circuit is limited and thus affects the ability of the CUP to quickly respond to load increases.
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[0025] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0026] A fast loading voltage regulation circuit such as Figure 1~2 shown, including the load resistor R L And a dual-input Buck circuit 1; the dual-input Buck circuit 1 includes a L Traditional Buck circuit module 1-1 for step-down and voltage regulation, additional power supply v B , and is used to control the additional power supply v according to the switching-out and switching-in signals B A switch bank module 1-2 for cut-out and cut-in operations; wherein,
[0027] The additional power supply v B The output terminal is connected to the input terminal of the switch group module 1-2, t...
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The invention provides a quick-loading voltage regulating circuit. The quick-loading voltage regulating circuit comprises a load resistor and a double-input Buck circuit, wherein the double-input Buck circuit comprises a traditional Buck circuit module for reducing and stabilizing the voltage of the load resistor, an additional power supply as well as a switching group module for switching on and off the additional power supply correspondingly according to switching-on and switching-off signals; an output end of the additional power supply is connected with an input end of the switching group module, an output end of the switching group module is connected with an input end of the traditional Buck circuit module, and an output end of the traditional Buck circuit module is connected with an input end of the load resistor. Besides, the quick-loading voltage regulating circuit further comprises a control module and a drive module, wherein the control module is used for sending corresponding control operation signals to the traditional Buck circuit module and the switching group module, and the drive module is used for performing power amplification on the operation signals of the control module. The quick-loading voltage regulating circuit solves the problems that the difference between the Buck input and output voltage cannot be large enough and the poor loading performance is caused accordingly.
Description
technical field [0001] The invention belongs to the technical field of voltage regulation circuits, in particular to a fast-loading voltage regulation circuit. Background technique [0002] The traditional Buck circuit is a step-down circuit, such as figure 1 shown, including the DC power supply v A , the third driving power switch S, power diode D, inductor L, capacitor C and equivalent resistance R C (on behalf of the CPU); wherein, the output terminal of the first drive power switch K1 is connected to the DC power supply v A input terminal connection, the DC power supply v A The output end is connected to the input end of the third driving power switch S, the output end of the third driving power switch S is divided into two ways and connected to the input end of the power diode D and the inductor L respectively, and the output end of the power diode D is grounded , the output terminal of the inductor L is divided into two circuits, respectively connected with the cap...
Claims
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IPC IPC(8): H02M3/156H02M3/157
Inventor 倪雨巨辉张雪原刘兴茂庄慧敏张绍全蒋秀洁何西凤张江林伍瑾斐
Owner CHENGDU UNIV OF INFORMATION TECH