GDU 90-20721
TIMING CHARACTERISTICS
Symbol
t *†
1
t
2
t3*†
t4
t*
5
t6
t7
t*
8
t9
t10
t
11
t12
Parameter
No response pulse width of
input signal
Delay time emitter
current to receiver o/p
Turn-on delay emitter
current to 10% IFGM
IFGM pulse width
Minimum on time
10% IFGM to 90% IG(ON)
Receiver storage time
Turn-off delay.
Emitter current to 90% I
G(ON)
Minimum off time
90% I to 10% I
G(ON)
FGM
Delay time
Gate volts to o/p emitter current
Turn-off delay
Gate volts to test receiver o/p
Storage time
Gate volts to o/p emitter current
Turn-on delay
Gate volts to test receiver o/p
Conditions
Adjustable by R81 + R82
-
-
-
Adjustable by R37
-
-
Adjustable by R38
-
-
Measured at low IGQM
Measured at low IGQM
Min. Typ. Max. Units
2
-
3
µs
0.2
-
0.4
µs
5.0
-
5.8
µs
-
25
-
µs
80
-
110 µs
0.8
-
1.2
µs
1.5
-
2.3
µs
80
-
110 µs
-
0.2
-
µs
-
0.8
-
µs
-
0.11
-
µs
-
0.31
-
µs
* t1,t3,t5,t8 are factory settings. † Adjustment of t1 alters t3.
1. Varies with IGQM due to gate lead impedance.
Test circuit
t1
emitter current
t2
t6
Control card
receiver output
10µs
Gate current
dIFG/dt
t3
0V
Gate voltage
Control card emitter current
10%
t4
t5
Min. ON time
dIGQ/dt
-8V
t9
t7
90% IG(ON)
QGQT
t8
Min. OFF
-8V
t11
Test circuit receiver output
t10
t12
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