JP4762723B2 - 電源装置及びこれを備えた電子機器 - Google Patents

電源装置及びこれを備えた電子機器 Download PDF

Info

Publication number
JP4762723B2
JP4762723B2 JP2006002398A JP2006002398A JP4762723B2 JP 4762723 B2 JP4762723 B2 JP 4762723B2 JP 2006002398 A JP2006002398 A JP 2006002398A JP 2006002398 A JP2006002398 A JP 2006002398A JP 4762723 B2 JP4762723 B2 JP 4762723B2
Authority
JP
Japan
Prior art keywords
voltage
output
power supply
transistor
circuit
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.)
Active
Application number
JP2006002398A
Other languages
English (en)
Japanese (ja)
Other versions
JP2007185066A (ja
JP2007185066A5 (enExample
Inventor
昌貴 大参
徹 高橋
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.)
Rohm Co Ltd
Original Assignee
Rohm Co 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
Application filed by Rohm Co Ltd filed Critical Rohm Co Ltd
Priority to JP2006002398A priority Critical patent/JP4762723B2/ja
Priority to US12/088,754 priority patent/US7868602B2/en
Priority to PCT/JP2006/325836 priority patent/WO2007080777A1/ja
Priority to CN2006800370248A priority patent/CN101283502B/zh
Priority to TW096100079A priority patent/TW200733532A/zh
Publication of JP2007185066A publication Critical patent/JP2007185066A/ja
Publication of JP2007185066A5 publication Critical patent/JP2007185066A5/ja
Application granted granted Critical
Publication of JP4762723B2 publication Critical patent/JP4762723B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Dc-Dc Converters (AREA)
JP2006002398A 2006-01-10 2006-01-10 電源装置及びこれを備えた電子機器 Active JP4762723B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2006002398A JP4762723B2 (ja) 2006-01-10 2006-01-10 電源装置及びこれを備えた電子機器
US12/088,754 US7868602B2 (en) 2006-01-10 2006-12-26 Power supply device and electronic appliance therewith
PCT/JP2006/325836 WO2007080777A1 (ja) 2006-01-10 2006-12-26 電源装置及びこれを備えた電子機器
CN2006800370248A CN101283502B (zh) 2006-01-10 2006-12-26 电源装置及其电子设备
TW096100079A TW200733532A (en) 2006-01-10 2007-01-02 Power supply device and electronic device provided with the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006002398A JP4762723B2 (ja) 2006-01-10 2006-01-10 電源装置及びこれを備えた電子機器

Publications (3)

Publication Number Publication Date
JP2007185066A JP2007185066A (ja) 2007-07-19
JP2007185066A5 JP2007185066A5 (enExample) 2009-02-19
JP4762723B2 true JP4762723B2 (ja) 2011-08-31

Family

ID=38340683

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006002398A Active JP4762723B2 (ja) 2006-01-10 2006-01-10 電源装置及びこれを備えた電子機器

Country Status (1)

Country Link
JP (1) JP4762723B2 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI400991B (zh) * 2009-03-06 2013-07-01 Grenergy Opto Inc Control circuit with frequency compensation
KR101069960B1 (ko) 2009-12-14 2011-10-04 삼성전기주식회사 백라이트 유니트의 초기 구동 회로
JP2013198252A (ja) 2012-03-19 2013-09-30 Ricoh Co Ltd スイッチングレギュレータ
JP6673622B2 (ja) * 2016-03-31 2020-03-25 Fdk株式会社 電源回路
JP6967421B2 (ja) * 2017-10-23 2021-11-17 ローム株式会社 スイッチ装置
CN117411323B (zh) * 2023-12-14 2024-04-26 和为盛泰技术有限公司 一种恒压恒流大功率dcdc电源电路
CN118747028B (zh) * 2024-06-20 2025-08-15 芯海科技（深圳）股份有限公司 供电选择电路、芯片及电子设备
CN118707389B (zh) * 2024-08-30 2024-12-27 苏州元脑智能科技有限公司 一种电源测试装置、方法、产品和可读存储介质

Also Published As

Publication number Publication date
JP2007185066A (ja) 2007-07-19

Similar Documents

Publication Publication Date Title
WO2007080777A1 (ja) 電源装置及びこれを備えた電子機器
JP5174390B2 (ja) 電源装置及びこれを備えた電子機器
US7714546B2 (en) Step-up regulator with multiple power sources for the controller
KR100927882B1 (ko) Ｄｃ-ｄｃ 컨버터 및 ｄｃ-ｄｃ 컨버터의 제어 방법
CN100379135C (zh) 电源电路
CN100588096C (zh) 升压型dc/dc转换器以及具备该转换器的电子设备
JP4762722B2 (ja) 電源装置及びこれを備えた電子機器
JP5133579B2 (ja) 昇圧型スイッチング電源装置及びこれを備えた電子機器
JP4781744B2 (ja) 電源装置及びこれを用いた電気機器
JP2009303303A (ja) スイッチングレギュレータ
JP2009146130A (ja) ドロッパ型レギュレータ
JP4573697B2 (ja) スイッチングレギュレータ及びこれを備えた電子機器
JP5039371B2 (ja) スイッチングレギュレータの制御回路および電源装置、電子機器
JP4791762B2 (ja) スイッチングレギュレータの制御回路およびそれを利用した電源装置、電子機器
JP2006271182A (ja) 昇降圧レギュレータ回路及びこれを用いた液晶表示装置
US6307359B1 (en) DC-DC converter powered by doubled output voltage
JP4762723B2 (ja) 電源装置及びこれを備えた電子機器
JP4236602B2 (ja) スイッチング電源回路及びそれを用いた電子機器
JP7061330B1 (ja) Ｄｃ・ｄｃコンバータ
CN106533172B (zh) 直流降压型稳压器及其脉冲频率调制控制电路和方法
JP4938425B2 (ja) スイッチング制御回路
JP2016025747A (ja) Ｄｃ／ｄｃコンバータ及び電子機器
JP2008206376A (ja) スイッチングレギュレータおよびその制御回路、方法
JP4688559B2 (ja) Ｄｃ／ｄｃコンバータ及びこれを備えた電子機器
JP2008148503A (ja) スイッチング電源の制御回路およびそれを利用した電源装置ならびに電子機器

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20081225

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20081226

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20110607

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20110608

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140617

Year of fee payment: 3

R150 Certificate of patent or registration of utility model

Ref document number: 4762723

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

RD03 Notification of appointment of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: R3D03

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250