JPH0254027B2 - - Google Patents
Info
- Publication number
- JPH0254027B2 JPH0254027B2 JP56099550A JP9955081A JPH0254027B2 JP H0254027 B2 JPH0254027 B2 JP H0254027B2 JP 56099550 A JP56099550 A JP 56099550A JP 9955081 A JP9955081 A JP 9955081A JP H0254027 B2 JPH0254027 B2 JP H0254027B2
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- power
- voltage
- output
- drive
- 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 - Lifetime
Links
- 238000004804 winding Methods 0.000 claims description 32
- 239000003990 capacitor Substances 0.000 claims description 22
- 238000001514 detection method Methods 0.000 claims description 20
- 239000004020 conductor Substances 0.000 description 15
- 230000006378 damage Effects 0.000 description 12
- 230000001105 regulatory effect Effects 0.000 description 9
- 230000004044 response Effects 0.000 description 8
- 238000002955 isolation Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 241000721047 Danaus plexippus Species 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000003079 width control Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
- H03K17/082—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit
- H03K17/0826—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit in bipolar transistor switches
Landscapes
- Dc-Dc Converters (AREA)
- Electronic Switches (AREA)
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/163,679 US4318168A (en) | 1980-06-27 | 1980-06-27 | Over stress sense circuit for flyback power supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5743212A JPS5743212A (en) | 1982-03-11 |
| JPH0254027B2 true JPH0254027B2 (en]) | 1990-11-20 |
Family
ID=22591099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56099550A Granted JPS5743212A (en) | 1980-06-27 | 1981-06-26 | Power source |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4318168A (en]) |
| JP (1) | JPS5743212A (en]) |
| DE (1) | DE3123804A1 (en]) |
| DK (1) | DK283581A (en]) |
| FR (1) | FR2485825B1 (en]) |
| GB (1) | GB2079082B (en]) |
| IT (1) | IT1142779B (en]) |
| NO (1) | NO163719C (en]) |
| SE (1) | SE457921B (en]) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5879472A (ja) * | 1981-11-02 | 1983-05-13 | Hitachi Ltd | Ｄｃ―ｄｃコンバータのスイッチング方法 |
| US4562522A (en) * | 1983-12-30 | 1985-12-31 | Honeywell Inc. | Power supply for an electrostatic air cleaner with a modulated pulse width voltage input having a backup pulse width limiting means |
| US4559592A (en) * | 1984-05-31 | 1985-12-17 | Pitney Bowes Inc. | Electronic postage meter having a switching power supply employing integrated circuit timer |
| US4594649A (en) * | 1985-03-01 | 1986-06-10 | Ncr Corporation | Bootstrap drive for a two-transistor forward converter |
| JPH0675641B2 (ja) * | 1985-12-27 | 1994-09-28 | ティーディーケイ株式会社 | 噴霧乾燥方法及び装置 |
| US4858052A (en) * | 1986-11-28 | 1989-08-15 | Ro Associates | Method and means for protecting converter circuits |
| US4755922A (en) * | 1987-03-26 | 1988-07-05 | Xerox Corporation | DC to DC converter for ethernet transceiver |
| US4791546A (en) * | 1987-12-23 | 1988-12-13 | Dci Technology | Voltage regulator circuit |
| US4907116A (en) * | 1988-06-09 | 1990-03-06 | Rca Licensing Corporation | Power supply fault protection circuit |
| US4890210A (en) * | 1988-11-15 | 1989-12-26 | Gilbarco, Inc. | Power supply having combined forward converter and flyback action for high efficiency conversion from low to high voltage |
| US5285369A (en) * | 1992-09-01 | 1994-02-08 | Power Integrations, Inc. | Switched mode power supply integrated circuit with start-up self-biasing |
| US6081439A (en) * | 1996-06-19 | 2000-06-27 | Kijima Co., Ltd. | Inverter provided with output regulating mechanism |
| GB2316556A (en) * | 1996-08-19 | 1998-02-25 | Thomson Multimedia Sa | Power supply with protection arrangement |
| US5896279A (en) * | 1997-04-10 | 1999-04-20 | Api Technology Co., Ltd. | Constant-voltage clamping forward conversion switching power supply |
| US6208534B1 (en) * | 2000-04-04 | 2001-03-27 | Switch Power, Inc. | Generating bias voltage in a voltage converter |
| US6865094B2 (en) | 2002-05-14 | 2005-03-08 | International Business Machines Corporation | Circuit for AC adapter to reduce power drawn from an AC power source |
| US11424683B2 (en) * | 2019-12-06 | 2022-08-23 | Fremont Micro Devices Corporation | Darlington transistor drive circuit, method and constant current switching power supply |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3859586A (en) * | 1973-09-26 | 1975-01-07 | Bell Telephone Labor Inc | Overcurrent protection circuit utilizing peak detection circuit with variable dynamic response |
| US3873903A (en) * | 1974-02-15 | 1975-03-25 | Ncr Co | Volt-second balancing means for a high frequency switching power supply |
| NL7415666A (nl) * | 1974-12-02 | 1976-06-04 | Philips Nv | Geschakelde voedingsspanningsschakeling. |
| US4063307A (en) * | 1976-06-28 | 1977-12-13 | Teletype Corporation | Direct current power converter with start-up and protection circuits |
| US4037271A (en) * | 1976-12-03 | 1977-07-19 | Boschert Associates | Switching regulator power supply |
| FR2413710A1 (fr) * | 1977-12-29 | 1979-07-27 | Thomson Csf | Circuit de commande de puissance et alimentation a decoupage l'utilisant |
| US4150425A (en) * | 1978-02-09 | 1979-04-17 | Nasa | Module failure isolation circuit for paralleled inverters |
-
1980
- 1980-06-27 US US06/163,679 patent/US4318168A/en not_active Expired - Lifetime
-
1981
- 1981-04-21 GB GB8112333A patent/GB2079082B/en not_active Expired
- 1981-05-27 IT IT48547/81A patent/IT1142779B/it active
- 1981-06-16 DE DE19813123804 patent/DE3123804A1/de active Granted
- 1981-06-23 SE SE8103938A patent/SE457921B/sv not_active IP Right Cessation
- 1981-06-24 NO NO812161A patent/NO163719C/no unknown
- 1981-06-26 JP JP56099550A patent/JPS5743212A/ja active Granted
- 1981-06-26 DK DK283581A patent/DK283581A/da not_active Application Discontinuation
- 1981-06-29 FR FR8112735A patent/FR2485825B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2485825B1 (fr) | 1985-12-13 |
| JPS5743212A (en) | 1982-03-11 |
| IT8148547A0 (it) | 1981-05-27 |
| DE3123804A1 (de) | 1982-04-22 |
| GB2079082A (en) | 1982-01-13 |
| US4318168A (en) | 1982-03-02 |
| DK283581A (da) | 1981-12-28 |
| SE8103938L (sv) | 1981-12-28 |
| IT1142779B (it) | 1986-10-15 |
| DE3123804C2 (en]) | 1992-04-30 |
| SE457921B (sv) | 1989-02-06 |
| FR2485825A1 (fr) | 1981-12-31 |
| NO812161L (no) | 1981-12-28 |
| NO163719C (no) | 1990-07-04 |
| GB2079082B (en) | 1983-11-30 |
| NO163719B (no) | 1990-03-26 |
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