GB2531394B - Low-power switching linear regulator - Google Patents

Low-power switching linear regulator Download PDF

Info

Publication number
GB2531394B
GB2531394B GB1512809.3A GB201512809A GB2531394B GB 2531394 B GB2531394 B GB 2531394B GB 201512809 A GB201512809 A GB 201512809A GB 2531394 B GB2531394 B GB 2531394B
Authority
GB
United Kingdom
Prior art keywords
low
power switching
linear regulator
switching linear
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
Application number
GB1512809.3A
Other versions
GB201512809D0 (en
GB2531394A (en
Inventor
Zolnhofer Jens
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Technologies International Ltd
Original Assignee
Qualcomm Technologies International Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US14/196,457 external-priority patent/US9606558B2/en
Application filed by Qualcomm Technologies International Ltd filed Critical Qualcomm Technologies International Ltd
Publication of GB201512809D0 publication Critical patent/GB201512809D0/en
Publication of GB2531394A publication Critical patent/GB2531394A/en
Application granted granted Critical
Publication of GB2531394B publication Critical patent/GB2531394B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05FSYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00Automatic 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
    • G05F1/10Regulating voltage or current
    • G05F1/46Regulating voltage or current wherein the variable actually regulated by the final control device is dc
    • G05F1/56Regulating 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
    • G05F1/575Regulating 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 characterised by the feedback circuit
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05FSYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00Automatic 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
    • G05F1/10Regulating voltage or current
    • G05F1/46Regulating voltage or current wherein the variable actually regulated by the final control device is dc
    • G05F1/56Regulating 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
    • G05F1/563Regulating 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 including two stages of regulation at least one of which is output level responsive, e.g. coarse and fine regulation
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05FSYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00Automatic 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
    • G05F1/10Regulating voltage or current
    • G05F1/46Regulating voltage or current wherein the variable actually regulated by the final control device is dc
    • G05F1/56Regulating 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
    • G05F1/565Regulating 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

Landscapes

  • Engineering & Computer Science (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)
GB1512809.3A 2014-03-04 2014-08-07 Low-power switching linear regulator Expired - Fee Related GB2531394B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/196,457 US9606558B2 (en) 2014-03-04 2014-03-04 Lower power switching linear regulator
GB1414014.9A GB2523860B (en) 2014-03-04 2014-08-07 Low power switching linear regulator

Publications (3)

Publication Number Publication Date
GB201512809D0 GB201512809D0 (en) 2015-09-02
GB2531394A GB2531394A (en) 2016-04-20
GB2531394B true GB2531394B (en) 2021-01-27

Family

ID=55590686

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1512809.3A Expired - Fee Related GB2531394B (en) 2014-03-04 2014-08-07 Low-power switching linear regulator

Country Status (1)

Country Link
GB (1) GB2531394B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113746178A (en) * 2021-09-15 2021-12-03 上海伏达半导体有限公司 Battery charging device, method and controller

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006018409A (en) * 2004-06-30 2006-01-19 Denso Corp Power supply circuit
US20070018711A1 (en) * 2005-07-25 2007-01-25 Denso Corporation Power supply circuit
US20120236674A1 (en) * 2008-06-09 2012-09-20 Wolfram Kluge Circuit and Method for Operating a Circuit
US20130021091A1 (en) * 2011-07-20 2013-01-24 Peter Robertson Power control circuit and method therefor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006018409A (en) * 2004-06-30 2006-01-19 Denso Corp Power supply circuit
US20070018711A1 (en) * 2005-07-25 2007-01-25 Denso Corporation Power supply circuit
US20120236674A1 (en) * 2008-06-09 2012-09-20 Wolfram Kluge Circuit and Method for Operating a Circuit
US20130021091A1 (en) * 2011-07-20 2013-01-24 Peter Robertson Power control circuit and method therefor

Also Published As

Publication number Publication date
GB201512809D0 (en) 2015-09-02
GB2531394A (en) 2016-04-20

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20210427