DE3876388D1 - Spannungsregler mit zwei eingaengen mit niedrigem spannungsverlust. - Google Patents
Spannungsregler mit zwei eingaengen mit niedrigem spannungsverlust.Info
- Publication number
- DE3876388D1 DE3876388D1 DE8888118785T DE3876388T DE3876388D1 DE 3876388 D1 DE3876388 D1 DE 3876388D1 DE 8888118785 T DE8888118785 T DE 8888118785T DE 3876388 T DE3876388 T DE 3876388T DE 3876388 D1 DE3876388 D1 DE 3876388D1
- Authority
- DE
- Germany
- Prior art keywords
- inputs
- loss
- voltage
- low voltage
- voltage regulator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
- G05F1/565—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor
- G05F1/569—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor for protection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
Landscapes
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Continuous-Control Power Sources That Use Transistors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/121,613 US4779037A (en) | 1987-11-17 | 1987-11-17 | Dual input low dropout voltage regulator |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3876388D1 true DE3876388D1 (de) | 1993-01-14 |
DE3876388T2 DE3876388T2 (de) | 1993-05-13 |
Family
ID=22397782
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19883876388 Expired - Fee Related DE3876388T2 (de) | 1987-11-17 | 1988-11-11 | Spannungsregler mit zwei eingaengen mit niedrigem spannungsverlust. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4779037A (de) |
EP (1) | EP0316781B1 (de) |
JP (1) | JPH01161512A (de) |
CA (1) | CA1295015C (de) |
DE (1) | DE3876388T2 (de) |
Families Citing this family (70)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0823793B2 (ja) * | 1989-12-13 | 1996-03-06 | 富士通株式会社 | メモリカード |
JPH087636B2 (ja) * | 1990-01-18 | 1996-01-29 | シャープ株式会社 | 半導体装置の電圧降下回路 |
DE4015351A1 (de) * | 1990-05-12 | 1991-11-14 | Daimler Benz Ag | Einrichtung zur stromversorgung einer elektronischen rechenanlage in einem kraftfahrzeug |
US5103157A (en) * | 1990-07-10 | 1992-04-07 | National Semiconductor Corp. | Common emitter amplifiers operating from a multiplicity of power supplies |
IT1245421B (it) * | 1991-02-27 | 1994-09-20 | Sgs Thomson Microelectronics | Regolatore di tensione a bassa caduta |
US5227714A (en) * | 1991-10-07 | 1993-07-13 | Brooktree Corporation | Voltage regulator |
US5274323A (en) * | 1991-10-31 | 1993-12-28 | Linear Technology Corporation | Control circuit for low dropout regulator |
US5412309A (en) * | 1993-02-22 | 1995-05-02 | National Semiconductor Corporation | Current amplifiers |
GB9308379D0 (en) * | 1993-04-22 | 1993-06-09 | Thames Water Utilities | Consumption meter |
US5552697A (en) * | 1995-01-20 | 1996-09-03 | Linfinity Microelectronics | Low voltage dropout circuit with compensating capacitance circuitry |
US5631598A (en) * | 1995-06-07 | 1997-05-20 | Analog Devices, Inc. | Frequency compensation for a low drop-out regulator |
US5686820A (en) * | 1995-06-15 | 1997-11-11 | International Business Machines Corporation | Voltage regulator with a minimal input voltage requirement |
US5675241A (en) * | 1995-07-06 | 1997-10-07 | Texas Instruments Incorporated | Voltage regulator with low drop out voltage |
TW296506B (de) * | 1995-07-25 | 1997-01-21 | Thomson Consumer Electronics | |
US6040639A (en) * | 1995-09-29 | 2000-03-21 | Telefonaktiebolaget Lm Ericsson | Circuit for improved load transient response in power supplies |
FR2755316B1 (fr) * | 1996-10-25 | 1999-01-15 | Sgs Thomson Microelectronics | Regulateur de tension a selection automatique d'une tension d'alimentation la plus elevee |
FR2756984B1 (fr) * | 1996-12-05 | 1999-01-08 | Gec Alsthom Syst Et Serv | Alimentation de secours destinee a suppleer provisoirement a une carence d'une source d'alimentation principale |
KR19980064252A (ko) * | 1996-12-19 | 1998-10-07 | 윌리엄비.켐플러 | Pmos 패스 소자를 가진 저 드롭-아웃 전압 조절기 |
DE19710440A1 (de) * | 1997-03-13 | 1998-09-24 | Bosch Gmbh Robert | Stromversorgungsschaltung |
US5923129A (en) * | 1997-03-14 | 1999-07-13 | Linfinity Microelectronics | Apparatus and method for starting a fluorescent lamp |
US5930121A (en) * | 1997-03-14 | 1999-07-27 | Linfinity Microelectronics | Direct drive backlight system |
AT406920B (de) * | 1997-05-30 | 2000-10-25 | Siemens Ag Oesterreich | Netzgerät |
US6005378A (en) * | 1998-03-05 | 1999-12-21 | Impala Linear Corporation | Compact low dropout voltage regulator using enhancement and depletion mode MOS transistors |
US6097178A (en) * | 1998-09-14 | 2000-08-01 | Linear Technology Corporation | Circuits and methods for multiple-input, single-output, low-dropout voltage regulators |
US6198234B1 (en) | 1999-06-09 | 2001-03-06 | Linfinity Microelectronics | Dimmable backlight system |
US6198266B1 (en) * | 1999-10-13 | 2001-03-06 | National Semiconductor Corporation | Low dropout voltage reference |
US6455953B1 (en) * | 2000-02-08 | 2002-09-24 | Peter Ar-Fu Lam | Dual power modes electronics apparatus |
FR2807847B1 (fr) * | 2000-04-12 | 2002-11-22 | St Microelectronics Sa | Regulateur lineaire a faible surtension en regime transitoire |
US6188212B1 (en) * | 2000-04-28 | 2001-02-13 | Burr-Brown Corporation | Low dropout voltage regulator circuit including gate offset servo circuit powered by charge pump |
US6512353B2 (en) * | 2000-07-13 | 2003-01-28 | Sipex Corporation | Synchronized, ripple independent window comparator for switch-mode power converters |
DE10050761A1 (de) * | 2000-10-13 | 2002-05-16 | Infineon Technologies Ag | Spannungsregelungsschaltung, insbelondere für Halbleiterspeicher |
US6333623B1 (en) | 2000-10-30 | 2001-12-25 | Texas Instruments Incorporated | Complementary follower output stage circuitry and method for low dropout voltage regulator |
US6677735B2 (en) * | 2001-12-18 | 2004-01-13 | Texas Instruments Incorporated | Low drop-out voltage regulator having split power device |
US7400121B2 (en) * | 2002-08-06 | 2008-07-15 | Texas Instruments Incorporated | Soft-start system for voltage regulator and method of implementing soft-start |
US6979959B2 (en) | 2002-12-13 | 2005-12-27 | Microsemi Corporation | Apparatus and method for striking a fluorescent lamp |
ATE350810T1 (de) * | 2003-08-27 | 2007-01-15 | Fraunhofer Ges Forschung | Schaltung und verfahren zum verarbeiten einer speisespannung mit spannungsspitzen |
US7187139B2 (en) | 2003-09-09 | 2007-03-06 | Microsemi Corporation | Split phase inverters for CCFL backlight system |
US7183727B2 (en) | 2003-09-23 | 2007-02-27 | Microsemi Corporation | Optical and temperature feedbacks to control display brightness |
US7468722B2 (en) | 2004-02-09 | 2008-12-23 | Microsemi Corporation | Method and apparatus to control display brightness with ambient light correction |
US7112929B2 (en) | 2004-04-01 | 2006-09-26 | Microsemi Corporation | Full-bridge and half-bridge compatible driver timing schedule for direct drive backlight system |
US7755595B2 (en) | 2004-06-07 | 2010-07-13 | Microsemi Corporation | Dual-slope brightness control for transflective displays |
GB2416605A (en) * | 2004-07-26 | 2006-02-01 | Wolfson Ltd | Dual power bus for battery powered device |
US7402986B2 (en) | 2004-07-26 | 2008-07-22 | Wolfson Microelectronics Plc | Power supply circuit for portable battery powered device |
US7274176B2 (en) * | 2004-11-29 | 2007-09-25 | Stmicroelectronics Kk | Regulator circuit having a low quiescent current and leakage current protection |
US7106032B2 (en) * | 2005-02-03 | 2006-09-12 | Aimtron Technology Corp. | Linear voltage regulator with selectable light and heavy load paths |
US7212043B2 (en) * | 2005-03-11 | 2007-05-01 | Broadcom Corporation | Line regulator with high bandwidth (BW) and high power supply rejection ration (PSRR) and wide range of output current |
US20060273771A1 (en) * | 2005-06-03 | 2006-12-07 | Micrel, Incorporated | Creating additional phase margin in the open loop gain of a negative feedback amplifier system |
WO2007016045A1 (en) * | 2005-07-27 | 2007-02-08 | Analog Devices, Inc. | Distributed transistor structure for high linearity active catv power splitter |
US7414371B1 (en) | 2005-11-21 | 2008-08-19 | Microsemi Corporation | Voltage regulation loop with variable gain control for inverter circuit |
US7569998B2 (en) | 2006-07-06 | 2009-08-04 | Microsemi Corporation | Striking and open lamp regulation for CCFL controller |
GB2448905A (en) * | 2007-05-02 | 2008-11-05 | Zetex Semiconductors Plc | Voltage regulator for LNB |
US8093839B2 (en) | 2008-11-20 | 2012-01-10 | Microsemi Corporation | Method and apparatus for driving CCFL at low burst duty cycle rates |
US7907430B2 (en) * | 2008-12-18 | 2011-03-15 | WaikotoLink Limited | High current voltage regulator |
TWI395079B (zh) * | 2009-03-13 | 2013-05-01 | Advanced Analog Technology Inc | 具限流機制之低壓降穩壓器 |
EP2354881A1 (de) * | 2010-02-05 | 2011-08-10 | Dialog Semiconductor GmbH | Dominospannungsregler |
US8450936B1 (en) | 2010-05-13 | 2013-05-28 | Whelen Engineering Company, Inc. | Dual range power supply |
CN102609025B (zh) * | 2012-03-16 | 2013-12-11 | 电子科技大学 | 一种动态电流倍增电路及集成该电路的线性稳压器 |
ITMI20120628A1 (it) * | 2012-04-17 | 2013-10-18 | Metersit S R L | Contatore gas statico con sistema di allarme batteria |
US9170592B2 (en) * | 2012-09-05 | 2015-10-27 | Atmel Corporation | Fully integrated voltage regulator using open loop digital control for optimum power stepping and slew rate |
KR101422924B1 (ko) * | 2012-10-18 | 2014-08-13 | 삼성전기주식회사 | 저전압 강하 레귤레이터 |
US10698432B2 (en) | 2013-03-13 | 2020-06-30 | Intel Corporation | Dual loop digital low drop regulator and current sharing control apparatus for distributable voltage regulators |
CN103218003B (zh) * | 2013-04-26 | 2015-06-10 | 无锡中星微电子有限公司 | 一种多电源输入的低压差稳压器 |
CN103441675A (zh) * | 2013-08-29 | 2013-12-11 | 福尔斯通电子(昆山)有限公司 | 一种恒流稳压电路 |
CN103529893A (zh) * | 2013-10-18 | 2014-01-22 | 苏州贝克微电子有限公司 | 一种减小静态工作电流的低压差稳压器 |
CN103529894A (zh) * | 2013-10-25 | 2014-01-22 | 苏州贝克微电子有限公司 | 一种双输入低压差稳压器 |
CN103941798B (zh) * | 2014-04-30 | 2015-12-02 | 杭州士兰微电子股份有限公司 | 低压差线性稳压器 |
IT201700035474A1 (it) * | 2017-03-31 | 2018-10-01 | St Microelectronics Srl | Circuito regolatore di tensione, dispositivo, apparecchiatura e procedimento corrispondenti |
EP3832428B1 (de) | 2019-12-04 | 2023-07-19 | Nxp B.V. | Vorrichtungen und verfahren mit umschaltung zwischen zwei eingängen einer leistungsverstärkerschaltung |
KR20220037280A (ko) * | 2020-09-17 | 2022-03-24 | 삼성전자주식회사 | 전력 제공 방법 및 이를 이용하는 전자 장치 |
JP2023141944A (ja) * | 2022-03-24 | 2023-10-05 | Fdk株式会社 | バックアップ電源装置及びバックアップ電源装置の制御方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4209710A (en) * | 1978-06-27 | 1980-06-24 | Honeywell Inc. | Battery back-up regulator |
JPS5512252U (de) * | 1978-07-08 | 1980-01-25 | ||
US4384350A (en) * | 1980-11-03 | 1983-05-17 | Fairchild Camera & Instrument Corp. | MOS Battery backup controller for microcomputer random access memory |
US4354118A (en) * | 1981-01-30 | 1982-10-12 | Bell & Howell Company | Battery backup supply control means and method |
US4716354A (en) * | 1985-11-12 | 1987-12-29 | Norand Corporation | Automatic voltage regulator means providing a dual low power responsive and output-voltage-controlling regulator signal particularly for a plural source battery powered system |
FR2536921A1 (fr) * | 1982-11-30 | 1984-06-01 | Thomson Csf | Regulateur a faible tension de dechet |
US4645943A (en) * | 1984-10-15 | 1987-02-24 | Dallas Semiconductor Corporation | Space-saving back-up power supply |
JPS62174814A (ja) * | 1986-01-28 | 1987-07-31 | Nec Ic Microcomput Syst Ltd | 安定化電源回路 |
US4673824A (en) * | 1986-03-03 | 1987-06-16 | Tektronix, Inc. | Power supply switch circuit |
IT1203335B (it) * | 1987-02-23 | 1989-02-15 | Sgs Microelettronica Spa | Stabilizzatore di tensione a minima caduta di tensione,atto a sopportare transitori di tensione elevati |
-
1987
- 1987-11-17 US US07/121,613 patent/US4779037A/en not_active Expired - Lifetime
-
1988
- 1988-11-11 DE DE19883876388 patent/DE3876388T2/de not_active Expired - Fee Related
- 1988-11-11 EP EP19880118785 patent/EP0316781B1/de not_active Expired - Lifetime
- 1988-11-16 CA CA 583212 patent/CA1295015C/en not_active Expired - Fee Related
- 1988-11-17 JP JP63289002A patent/JPH01161512A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0316781B1 (de) | 1992-12-02 |
EP0316781A1 (de) | 1989-05-24 |
US4779037A (en) | 1988-10-18 |
DE3876388T2 (de) | 1993-05-13 |
CA1295015C (en) | 1992-01-28 |
JPH01161512A (ja) | 1989-06-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |