參數(shù)資料
型號: MIG20J501L
廠商: Toshiba Corporation
英文描述: MIG20J501L
中文描述: MIG20J501L
文件頁數(shù): 12/20頁
文件大?。?/td> 200K
代理商: MIG20J501L
MIG20J501L
2001-05-07
12
Timing Chart for Over Temperature Protection Sequence (OT)
(1)
Using temperature dependent characteristics of diode on low side control IC, the junction temperature (Tc)
is detected. Upon occasion of over temperature condition, V
GE
of the lower arm IGBT is interrupted.
(This condition continues between OT Trip Level and OT Reset Level as shown in the chart)
An error signal output (V
FO
) stays in ‘L’ level until the case temperature goes below the reset level after
the temperature reaches to the trip level. (Only low side arm faults are output)
The reset operation is provided on condition that case temperature goes below the OT reset level and input
signal turns from operation “H” to “L”.
(2)
(3)
Timing Chart
(Only low side)
V
IN
V
GE
I
C
V
FO
t
FO
H
L
0
0
0
OT Trip Level
OT Reset Level
Tc
0
t
FO
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