JPS645352A - Protection circuit for chopper type switching regulator - Google Patents

Protection circuit for chopper type switching regulator

Info

Publication number
JPS645352A
JPS645352A JP15960787A JP15960787A JPS645352A JP S645352 A JPS645352 A JP S645352A JP 15960787 A JP15960787 A JP 15960787A JP 15960787 A JP15960787 A JP 15960787A JP S645352 A JPS645352 A JP S645352A
Authority
JP
Japan
Prior art keywords
emitter
base
protection circuit
diodes
switching regulator
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.)
Pending
Application number
JP15960787A
Other languages
English (en)
Inventor
Kazuhiko Kasahara
Yoshiharu Tanizawa
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP15960787A priority Critical patent/JPS645352A/ja
Publication of JPS645352A publication Critical patent/JPS645352A/ja
Pending legal-status Critical Current

Links

JP15960787A 1987-06-29 1987-06-29 Protection circuit for chopper type switching regulator Pending JPS645352A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15960787A JPS645352A (en) 1987-06-29 1987-06-29 Protection circuit for chopper type switching regulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15960787A JPS645352A (en) 1987-06-29 1987-06-29 Protection circuit for chopper type switching regulator

Publications (1)

Publication Number Publication Date
JPS645352A true JPS645352A (en) 1989-01-10

Family

ID=15697406

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15960787A Pending JPS645352A (en) 1987-06-29 1987-06-29 Protection circuit for chopper type switching regulator

Country Status (1)

Country Link
JP (1) JPS645352A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07137835A (ja) * 1989-12-20 1995-05-30 Messerschmitt Boelkow Blohm Gmbh <Mbb> 品物の分配を管理・監視する系

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07137835A (ja) * 1989-12-20 1995-05-30 Messerschmitt Boelkow Blohm Gmbh <Mbb> 品物の分配を管理・監視する系

Similar Documents

Publication Publication Date Title
JPS6429018A (en) Input protection device for semiconductor circuit device
JPS645352A (en) Protection circuit for chopper type switching regulator
JPS637017A (en) Contactless relay
JPS60169182A (en) Semiconductor-laser protecting system
JPS60106178A (en) Gate circuit of compound semiconductor element
JPS62234416A (en) Power supply switching circuit
JPS561620A (en) Output circuit
JPH01298949A (en) Surge voltage suppressor circuit
SU1457047A1 (ru) Устройство дл защиты нагрузки от понижени рабочего напр жени на выходе стабилизированного источника питани
JPH02250521A (en) Semiconductor serial breaker
JPS5780265A (en) Method for connecting switching element in series in chopper
JPH03232283A (en) Semiconductor laser drive circuit
JPS6331216A (en) Pulse generating circuit
JPS6270902A (en) Controller for current output multiplexing
JPS6444119A (en) Tow-way semiconductor switch
JPS62293328A (en) Constant voltage generating circuit
JPH02290329A (en) Logic circuit
JPS58221517A (en) Pulse voltage generating circuit
JPS61106063A (en) Drive circuit of self-extinguishing element
JPS63287209A (en) Base drive circuit for transistor
JPS56132608A (en) Trouble detecting circuit for load driver
JPH0260317A (en) Simultaneous output prohibiting circuit
JPH02214420A (en) Power supply circuit
JPS6481410A (en) Semiconductor switch circuit
JPH03126315A (en) Driving circuit for switching regulator