JPS6425619A - Fet driving circuit - Google Patents
Fet driving circuitInfo
- Publication number
- JPS6425619A JPS6425619A JP62181049A JP18104987A JPS6425619A JP S6425619 A JPS6425619 A JP S6425619A JP 62181049 A JP62181049 A JP 62181049A JP 18104987 A JP18104987 A JP 18104987A JP S6425619 A JPS6425619 A JP S6425619A
- Authority
- JP
- Japan
- Prior art keywords
- fet
- voltage
- ground
- field effect
- driving 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.)
- Pending
Links
Landscapes
- Electronic Switches (AREA)
Abstract
PURPOSE:To prevent a FET element from being destructed due to the FET source potential fluctuation at turn-on, turn-off by making the ground of a FET driving circuit equipotential to the source of the FET and isolating the power supply from ground. CONSTITUTION:A transistor TR1 is operated by an input signal and connected to ground, then a transistor(TR)2 is operated. A current starts flowing to a field effect TR FET and a voltage of an inductance L is generated. The collector current of the TR2 is increased and the TR2 transits from the active region to the saturation region. The gate voltage of the field effect TR FET reaches the voltage VCC charged in the capacitor C1. The current in the field effect TR FET is made constant and the voltage of the inductance L is made constant and stable.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62181049A JPS6425619A (en) | 1987-07-22 | 1987-07-22 | Fet driving circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62181049A JPS6425619A (en) | 1987-07-22 | 1987-07-22 | Fet driving circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6425619A true JPS6425619A (en) | 1989-01-27 |
Family
ID=16093882
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62181049A Pending JPS6425619A (en) | 1987-07-22 | 1987-07-22 | Fet driving circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6425619A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004336533A (en) * | 2003-05-09 | 2004-11-25 | Toyota Industries Corp | Driving circuit for voltage driven device |
-
1987
- 1987-07-22 JP JP62181049A patent/JPS6425619A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004336533A (en) * | 2003-05-09 | 2004-11-25 | Toyota Industries Corp | Driving circuit for voltage driven device |
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