Dual loop voltage regulator based on inverter amplifier and voltage regulating method thereof

A technology of voltage regulators and amplifiers, applied in the direction of adjusting electrical variables, control/regulating systems, instruments, etc., can solve problems such as increasing manufacturing costs and increasing defect rates, and achieves reducing defect rates, reducing manufacturing costs, and fast response. and the effect of stabilizing the power output

Active Publication Date: 2016-06-22
SAMSUNG ELECTRONICS CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Capacitors with relatively large capacitance are installed inside or outside the chip for stabilizing the output voltage by reducing ripple, which increases manufacturing cost and increases defect rate

Method used

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  • Dual loop voltage regulator based on inverter amplifier and voltage regulating method thereof
  • Dual loop voltage regulator based on inverter amplifier and voltage regulating method thereof
  • Dual loop voltage regulator based on inverter amplifier and voltage regulating method thereof

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Embodiment Construction

[0050] Embodiments will be described in detail with reference to the drawings. However, the present disclosure may be embodied in various different forms and should not be construed as limited to only the illustrated embodiments. Rather, these embodiments are provided as examples so that this disclosure will be thorough and complete, and will fully convey the concept of the disclosure to those skilled in the art. Accordingly, known procedures, elements and techniques are not described with respect to some of the embodiments of the present disclosure. Unless otherwise indicated, like reference numerals designate like elements throughout the drawings and written description, and thus description will not be repeated. In the drawings, the size and relative sizes of layers and regions may be exaggerated for clarity.

[0051] It will be understood that although the terms "first", "second", "third" etc. may be used herein to describe various elements, components, regions, layers a...

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Abstract

The invention provides a dual loop voltage regulator based on an inverter amplifier and a voltage regulating method thereof. A voltage regulator includes a pass element, a buffer, and an error amplifier. The voltage regulator further includes a fast push-pull driver that has an inverter type amplification structure, is connected between a power output and a control input of the pass element, and reduces positive and negative peaks of the power output at a speed faster than a speed of a main feedback loop.

Description

[0001] Priority is claimed from Korean Patent Application No. 10-2014-0178639 filed with the Korean Intellectual Property Office on December 11, 2014, the entire contents of which are hereby incorporated by reference. technical field [0002] Embodiments of the present disclosure described herein relate to a power supply device, and more particularly, to a voltage regulator that is easily mounted on-chip. Background technique [0003] With the development of high-end mobile devices such as smart phones, tablet PCs, etc., various attempts are being made to improve performance, reduce costs, and reduce defect rates. [0004] As one of these attempts, research on low power consumption is underway to use batteries of mobile devices for a longer period of time. In addition, research is ongoing on powering electronics in mobile devices to ensure reliable operation of the mobile devices. [0005] A low-dropout voltage regulator supplies power to electronics in a system-on-chip, su...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05F1/56
CPCH03K19/0013H03K19/01714G05F1/575G05F1/56G05F1/561G05F1/562H03K3/012H03K17/687
Inventor 梁埈赫金大容庾成敏
Owner SAMSUNG ELECTRONICS CO LTD
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