JP2020047193A5 - - Google Patents

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Publication number
JP2020047193A5
JP2020047193A5 JP2018177359A JP2018177359A JP2020047193A5 JP 2020047193 A5 JP2020047193 A5 JP 2020047193A5 JP 2018177359 A JP2018177359 A JP 2018177359A JP 2018177359 A JP2018177359 A JP 2018177359A JP 2020047193 A5 JP2020047193 A5 JP 2020047193A5
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JP
Japan
Prior art keywords
switch
gate
terminal
power supply
generation circuit
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JP2018177359A
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English (en)
Japanese (ja)
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JP2020047193A (ja
JP6998850B2 (ja
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Priority claimed from JP2018177359A external-priority patent/JP6998850B2/ja
Priority to JP2018177359A priority Critical patent/JP6998850B2/ja
Priority to TW108129991A priority patent/TW202013117A/zh
Priority to KR1020190111283A priority patent/KR20200034604A/ko
Priority to US16/572,225 priority patent/US10969815B2/en
Priority to CN201910891265.8A priority patent/CN110941305B/zh
Publication of JP2020047193A publication Critical patent/JP2020047193A/ja
Publication of JP2020047193A5 publication Critical patent/JP2020047193A5/ja
Publication of JP6998850B2 publication Critical patent/JP6998850B2/ja
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JP2018177359A 2018-09-21 2018-09-21 定電流回路 Active JP6998850B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2018177359A JP6998850B2 (ja) 2018-09-21 2018-09-21 定電流回路
TW108129991A TW202013117A (zh) 2018-09-21 2019-08-22 定電流電路
KR1020190111283A KR20200034604A (ko) 2018-09-21 2019-09-09 정전류 회로
US16/572,225 US10969815B2 (en) 2018-09-21 2019-09-16 Constant current circuit
CN201910891265.8A CN110941305B (zh) 2018-09-21 2019-09-20 恒流电路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2018177359A JP6998850B2 (ja) 2018-09-21 2018-09-21 定電流回路

Publications (3)

Publication Number Publication Date
JP2020047193A JP2020047193A (ja) 2020-03-26
JP2020047193A5 true JP2020047193A5 (https=) 2021-05-20
JP6998850B2 JP6998850B2 (ja) 2022-01-18

Family

ID=69884497

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018177359A Active JP6998850B2 (ja) 2018-09-21 2018-09-21 定電流回路

Country Status (5)

Country Link
US (1) US10969815B2 (https=)
JP (1) JP6998850B2 (https=)
KR (1) KR20200034604A (https=)
CN (1) CN110941305B (https=)
TW (1) TW202013117A (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113473671B (zh) * 2021-07-28 2022-09-23 上海晶丰明源半导体股份有限公司 用于恒流型驱动电路的控制电路及恒流型驱动电路
CN115268547B (zh) * 2022-08-09 2023-11-07 骏盈半导体(上海)有限公司 带隙基准电路

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07106869A (ja) * 1993-09-30 1995-04-21 Nec Corp 定電流回路
JP4077242B2 (ja) * 2002-05-17 2008-04-16 新日本無線株式会社 定電圧定電流制御回路
JP4256338B2 (ja) 2004-12-28 2009-04-22 東光株式会社 定電流源回路
JP2006352193A (ja) * 2005-06-13 2006-12-28 Seiko Instruments Inc 差動増幅器
TWI307002B (en) * 2005-12-15 2009-03-01 Realtek Semiconductor Corp Bandgap voltage generating circuit and relevant device using the same
US7554313B1 (en) * 2006-02-09 2009-06-30 National Semiconductor Corporation Apparatus and method for start-up circuit without a start-up resistor
JP5168910B2 (ja) * 2007-01-18 2013-03-27 株式会社リコー 定電流回路及び定電流回路を使用した発光ダイオード駆動装置
JP2008197994A (ja) 2007-02-14 2008-08-28 Oki Electric Ind Co Ltd 起動回路
US8339117B2 (en) * 2007-07-24 2012-12-25 Freescale Semiconductor, Inc. Start-up circuit element for a controlled electrical supply
TW201025812A (en) * 2008-12-25 2010-07-01 Advanced Analog Technology Inc DC-DC converter providing soft-start function
JP2011118532A (ja) * 2009-12-01 2011-06-16 Seiko Instruments Inc 定電流回路
EP2450768B1 (en) * 2010-09-20 2013-11-13 Dialog Semiconductor GmbH Startup circuit for self-supplied voltage regulator
JP5762205B2 (ja) * 2011-08-04 2015-08-12 ラピスセミコンダクタ株式会社 半導体集積回路
JP2013097551A (ja) * 2011-10-31 2013-05-20 Seiko Instruments Inc 定電流回路及び基準電圧回路
CN105246207B (zh) * 2015-10-30 2018-03-20 上海晶丰明源半导体股份有限公司 芯片的启动电路、led驱动器、led驱动电路及芯片的启动方法
JP6837899B2 (ja) * 2017-04-13 2021-03-03 エイブリック株式会社 充放電制御回路およびバッテリ装置
CN107294369B (zh) * 2017-07-12 2019-03-29 电子科技大学 一种应用于升压变换器的恒流启动电路
JP6892357B2 (ja) * 2017-08-31 2021-06-23 エイブリック株式会社 スイッチングレギュレータ
JP7097749B2 (ja) * 2018-06-05 2022-07-08 エイブリック株式会社 レベルシフト回路

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