TWI371989B - Boost driver circuit with fast discharging function - Google Patents

Boost driver circuit with fast discharging function

Info

Publication number
TWI371989B
TWI371989B TW097136751A TW97136751A TWI371989B TW I371989 B TWI371989 B TW I371989B TW 097136751 A TW097136751 A TW 097136751A TW 97136751 A TW97136751 A TW 97136751A TW I371989 B TWI371989 B TW I371989B
Authority
TW
Taiwan
Prior art keywords
driver circuit
discharging function
fast discharging
boost driver
boost
Prior art date
Application number
TW097136751A
Other languages
English (en)
Other versions
TW201014458A (en
Inventor
Kwan Jen Chu
Nien Hui Kung
Tzu Huan Chiu
Chien Ping Lu
Original Assignee
Richtek Technology Corp
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 Richtek Technology Corp filed Critical Richtek Technology Corp
Priority to TW097136751A priority Critical patent/TWI371989B/zh
Priority to US12/384,154 priority patent/US7994728B2/en
Publication of TW201014458A publication Critical patent/TW201014458A/zh
Application granted granted Critical
Publication of TWI371989B publication Critical patent/TWI371989B/zh

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]
    • H05B45/38—Switched mode power supply [SMPS] using boost topology
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
TW097136751A 2008-09-24 2008-09-24 Boost driver circuit with fast discharging function TWI371989B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
TW097136751A TWI371989B (en) 2008-09-24 2008-09-24 Boost driver circuit with fast discharging function
US12/384,154 US7994728B2 (en) 2008-09-24 2009-04-01 Boost driver circuit with fast discharging function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW097136751A TWI371989B (en) 2008-09-24 2008-09-24 Boost driver circuit with fast discharging function

Publications (2)

Publication Number Publication Date
TW201014458A TW201014458A (en) 2010-04-01
TWI371989B true TWI371989B (en) 2012-09-01

Family

ID=42036940

Family Applications (1)

Application Number Title Priority Date Filing Date
TW097136751A TWI371989B (en) 2008-09-24 2008-09-24 Boost driver circuit with fast discharging function

Country Status (2)

Country Link
US (1) US7994728B2 (zh)
TW (1) TWI371989B (zh)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010010446A (ja) * 2008-06-27 2010-01-14 Nec Corp 発光素子の駆動回路と駆動方法、及び光送信器
CN101839397B (zh) * 2009-03-20 2011-11-16 凹凸电子（武汉）有限公司 可携式照明装置及提供电源至负载电路的方法
US8508142B2 (en) 2009-03-20 2013-08-13 O2Micro Inc. Portable lighting device and method thereof
DE102010006437B9 (de) * 2010-02-01 2012-07-19 Austriamicrosystems Ag Spannungswandleranordnung und Verfahren zur Spannungswandlung
CN103747578B (zh) * 2013-12-30 2015-11-25 深圳市华星光电技术有限公司 Led背光驱动电路以及液晶显示器
FR3023060A1 (fr) * 2014-06-26 2016-01-01 St Microelectronics Tours Sas Composant de protection contre des surtensions

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6864641B2 (en) * 2003-02-20 2005-03-08 Visteon Global Technologies, Inc. Method and apparatus for controlling light emitting diodes
EP1691581B1 (en) * 2005-02-11 2015-10-07 STMicroelectronics Srl Power-efficient led drive circuit
KR100771780B1 (ko) * 2006-04-24 2007-10-30 삼성전기주식회사 과전압 보호 및 듀티 제어 기능을 갖는 ｌｅｄ 구동장치

Also Published As

Publication number Publication date
US7994728B2 (en) 2011-08-09
TW201014458A (en) 2010-04-01
US20100072915A1 (en) 2010-03-25

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