IT1317125B1 - Circuito di controllo a frequenza costante per un regolatore ditensione di switching di tipo isteretico - Google Patents

Circuito di controllo a frequenza costante per un regolatore ditensione di switching di tipo isteretico

Info

Publication number
IT1317125B1
IT1317125B1 IT2000MI000444A ITMI20000444A IT1317125B1 IT 1317125 B1 IT1317125 B1 IT 1317125B1 IT 2000MI000444 A IT2000MI000444 A IT 2000MI000444A IT MI20000444 A ITMI20000444 A IT MI20000444A IT 1317125 B1 IT1317125 B1 IT 1317125B1
Authority
IT
Italy
Prior art keywords
control circuit
frequency control
constant frequency
density regulator
hysteretic switching
Prior art date
Application number
IT2000MI000444A
Other languages
English (en)
Inventor
Giulio Corva
Alessandro Camera
Ignazio Bellomo
Original Assignee
St Microelectronics Srl
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
Application filed by St Microelectronics Srl filed Critical St Microelectronics Srl
Priority to IT2000MI000444A priority Critical patent/IT1317125B1/it
Publication of ITMI20000444A0 publication Critical patent/ITMI20000444A0/it
Priority to US09/800,759 priority patent/US6396251B2/en
Publication of ITMI20000444A1 publication Critical patent/ITMI20000444A1/it
Application granted granted Critical
Publication of IT1317125B1 publication Critical patent/IT1317125B1/it

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
    • H02M3/1563—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators without using an external clock
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
    • H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
IT2000MI000444A 2000-03-07 2000-03-07 Circuito di controllo a frequenza costante per un regolatore ditensione di switching di tipo isteretico IT1317125B1 (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT2000MI000444A IT1317125B1 (it) 2000-03-07 2000-03-07 Circuito di controllo a frequenza costante per un regolatore ditensione di switching di tipo isteretico
US09/800,759 US6396251B2 (en) 2000-03-07 2001-03-06 Constant-frequency control circuit for a switching voltage regulator of the hysteretic type

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2000MI000444A IT1317125B1 (it) 2000-03-07 2000-03-07 Circuito di controllo a frequenza costante per un regolatore ditensione di switching di tipo isteretico

Publications (3)

Publication Number Publication Date
ITMI20000444A0 ITMI20000444A0 (it) 2000-03-07
ITMI20000444A1 ITMI20000444A1 (it) 2001-09-07
IT1317125B1 true IT1317125B1 (it) 2003-05-27

Family

ID=11444347

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2000MI000444A IT1317125B1 (it) 2000-03-07 2000-03-07 Circuito di controllo a frequenza costante per un regolatore ditensione di switching di tipo isteretico

Country Status (2)

Country Link
US (1) US6396251B2 (it)
IT (1) IT1317125B1 (it)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITVA20010002A1 (it) * 2001-01-23 2002-07-23 St Microelectronics Srl Sistema e metodo di pilotaggio in modo commutato di un carico induttivo.
ITMI20012605A1 (it) * 2001-12-11 2003-06-11 St Microelectronics Srl Circuito alimentatore per la carica ottimale di una capacita' di bootstrap.
EP1367703A1 (en) * 2002-05-31 2003-12-03 STMicroelectronics S.r.l. Method of regulation of the supply voltage of a load and relative voltage regulator
US7075280B2 (en) * 2003-07-02 2006-07-11 Sigmatel, Inc. Pulse-skipping PFM DC-DC converter using a voltage mode control loop
US8354829B2 (en) * 2005-12-12 2013-01-15 Power Offer Electronics Ltd. Apparatus, method and system for control of AC/AC conversion
US7486060B1 (en) 2006-03-30 2009-02-03 Western Digital Technologies, Inc. Switching voltage regulator comprising a cycle comparator for dynamic voltage scaling
US7902805B2 (en) * 2006-04-03 2011-03-08 Texas Instruments Deutschland Gmbh Self-oscillating DC-DC buck converter with zero hysteresis
US7551383B1 (en) 2006-06-28 2009-06-23 Western Digital Technologies, Inc. Adjusting voltage delivered to disk drive circuitry based on a selected zone
TW200835125A (en) * 2007-02-08 2008-08-16 Richtek Techohnology Corp Circuit for charging the boot-strap capacitor of voltage converter
JP5029156B2 (ja) * 2007-06-11 2012-09-19 富士通セミコンダクター株式会社 Ｄｃ−ｄｃコンバータおよびその制御方法
US7719251B2 (en) * 2007-08-06 2010-05-18 Intel Corporation Enhancement of power conversion efficiency using dynamic load detecting and tracking
US7733189B1 (en) 2007-09-14 2010-06-08 Western Digital Technologies, Inc. Oscillator comprising foldover detection
US7782036B1 (en) 2008-01-07 2010-08-24 National Semiconductor Corporation Adaptive on-time control for switching regulators
US7671573B1 (en) 2008-05-29 2010-03-02 National Semiconductor Corporation Apparatus and method for projected on-time regulator
US8085020B1 (en) 2008-06-13 2011-12-27 Western Digital Technologies, Inc. Switching voltage regulator employing dynamic voltage scaling with hysteretic comparator
US8358114B1 (en) 2009-04-28 2013-01-22 Western Digital Technologies, Inc. Output capacitor current as feedback to control a hysteretic voltage regulator
JP5330962B2 (ja) * 2009-11-04 2013-10-30 パナソニック株式会社 Ｄｃ−ｄｃコンバータ
US8339113B2 (en) * 2010-07-19 2012-12-25 Microchip Technology Incorporated Buck switch-mode power converter large signal transient response optimizer
US8723492B2 (en) * 2011-03-22 2014-05-13 Integrated Device Technology, Inc. Autonomous controlled headroom low dropout regulator for single inductor multiple output power supply
US8970003B2 (en) * 2011-07-29 2015-03-03 Tessera, Inc. Embedded passive integration
US8627723B2 (en) * 2011-08-10 2014-01-14 Wildlife Acoustics, Inc. Digital sampling and zero crossing of acoustic signals of animals
US8884592B2 (en) * 2011-08-26 2014-11-11 Broadcom Corporation Frequency lock loop for hysteretic switching regulators
ITMI20120697A1 (it) 2012-04-27 2013-10-28 Dora Spa Circuito di controllo con isteresi di un regolatore di tensione a commutazione
US8995230B2 (en) 2012-07-26 2015-03-31 Wildlife Acoustics, Inc. Method of extracting zero crossing data from full spectrum signals
CN102946130B (zh) * 2012-11-30 2015-01-07 成都芯源系统有限公司 一种电池充电电路及其控制电路和控制方法
CN104485806B (zh) * 2014-11-08 2017-07-28 成都芯源系统有限公司 一种自举电压刷新控制电路、电压转换电路及其控制方法
US10033279B2 (en) 2016-04-19 2018-07-24 Mediatek Singapore Pte. Ltd. DC-DC voltage converter and associated control method capable of dynamically adjusting upper boundary of inductor current
US11469669B2 (en) * 2020-01-31 2022-10-11 Texas Instruments Incorporated Methods and circuitry to detect PFM mode entry in wide duty range DC converter

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4465967A (en) * 1981-01-28 1984-08-14 Hitachi, Ltd. Current supply circuit
US5757174A (en) * 1995-07-19 1998-05-26 Micro Linear Corporation Current sensing technique using MOS transistor scaling with matched current sources
US5825165A (en) 1996-04-03 1998-10-20 Micro Linear Corporation Micropower switch controller for use in a hysteretic current-mode switching regulator

Also Published As

Publication number Publication date
US6396251B2 (en) 2002-05-28
US20010038278A1 (en) 2001-11-08
ITMI20000444A0 (it) 2000-03-07
ITMI20000444A1 (it) 2001-09-07

Similar Documents

Publication Publication Date Title
IT1317125B1 (it) Circuito di controllo a frequenza costante per un regolatore ditensione di switching di tipo isteretico
NO20001058D0 (no) Tilbakekoplingstyrt lavspent strømkrets
DE60215442D1 (de) Schaltnetzteil
DE60210217D1 (de) Schaltnetzteilgerät
ITUD20020008A1 (it) Materasso multifunzionale a densita' differenziata
ITMI20031183A0 (it) Circuito idraulico per un gruppo nraccio-cilindro con funzione di fluttuazione
DE10290312T5 (de) Schaltstromversorgung
DE60119198D1 (de) Schaltnetzteilgerät
DE60224638D1 (de) Schaltnetzteil
ITRM20000640A0 (it) Circuito modulatore a fadiofrequenza di tipo multicanale.
ITMI20020984A0 (it) Circuito latch non-volatile
DE60200710D1 (de) Schaltnetzteil
DE60205058D1 (de) Schaltnetzteil
DE60223457D1 (de) Spannungsreglerssteuerschaltung
ITMI20011928A0 (it) Circuito pll
FR2819882B1 (fr) Cartouche
DE60121895D1 (de) Bandkassette
FR2814007B1 (fr) Oscillateur commande en tension
DE60140421D1 (de) Schaltnetzteil
DE60234397D1 (de) Schaltungsanordnung zur Generierung einer Referenzspannung
DE50106738D1 (de) Schaltwandler
IT249368Y1 (it) Struttura di custodia per telecamere a circuito chiuso.
TW501816U (en) A snubber circuit using a new voltage suppressing element
ITMI20001950A0 (it) Circuito di pilotaggio di elementi di potenza a fronte controllato
ES1047451Y (es) Circuito impreso para un mando a distancia