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RHRD4120 Datasheet, PDF (3/4 Pages) Intersil Corporation – 4A, 1200V Hyperfast Diodes
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RHRD4120, RHRD4120S
Typical Performance Curves (Continued)
75
100
TC = 25oC, dIF/dt = 100A/µs
TC = 100oC, dIF/dt = 100A/µs
60
trr
45
80
trr
60
30
ta
tb
15
40
ta
tb
20
0
0.5
1
4
IF, FORWARD CURRENT (A)
FIGURE 3. trr, ta AND tb CURVES vs FORWARD CURRENT
0
0.5
1
4
IF, FORWARD CURRENT (A)
FIGURE 4. trr, ta AND tb CURVES vs FORWARD CURRENT
125
TC = 175oC, dIF/dt = 100A/µs
100
trr
75
50
ta
tb
25
0
0.5
1
4
IF, FORWARD CURRENT (A)
FIGURE 5. trr, ta AND tb CURVES vs FORWARD CURRENT
Test Circuits and Waveforms
VGE AMPLITUDE AND
RG CONTROL dIF/dt
t1 AND t2 CONTROL IF
L
VGE
t1
t2
DUT CURRENT
RG
SENSE
+
IGBT
- VDD
FIGURE 7. trr TEST CIRCUIT
5
4
DC
3
SQ. WAVE
2
1
0
125
135
145
155
165
175
TC, CASE TEMPERATURE (oC)
FIGURE 6. CURRENT DERATING CURVE
dIF
IF
dt
0
trr
ta
tb
0.25 IRM
IRM
FIGURE 8. trr WAVEFORMS AND DEFINITIONS
3
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