RHRG75120 データシートの表示（PDF） - Fairchild Semiconductor
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RHRG75120 Datasheet PDF : 5 Pages
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RHRG75120
Typical Performance Curves (Continued)
100
TC = 25oC, dIF/dt = 100A/µs
80
Trr
60
ta
40
tb
20
0
1
10
80
IF, FORWARD CURRENT (A)
FIGURE 3. Trr, ta AND tb CURVES vs FORWARD CURRENT
80
60
DC
40
SQ. WAVE
20
0
25
50
75
100
125
150
175
TC, CASE TEMPERATURE (oC)
FIGURE 4. CURRENT DERATING CURVE
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 5. Trr TEST CIRCUIT
IMAX = 1.6A
L = 40mH
R < 0.1Ω
EAVL = 1/2LI2 [VR(AVL)/(VR(AVL) - VDD)]
Q1 = IGBT (BVCES > DUT VR(AVL))
L
CURRENT
SENSE
Q1
DUT
R
+
VDD
VDD
-
FIGURE 7. AVALANCHE ENERGY TEST CIRCUIT
dIF
IF
dt
0
trr
ta
tb
0.25 IRM
IRM
FIGURE 6. Trr WAVEFORMS AND DEFINITIONS
VAVL
IL
IL
IV
t0
t1
t2
t
FIGURE 8. AVALANCHE CURRENT AND VOLTAGE
WAVEFORMS
©2001 Fairchild Semiconductor Corporation
3
RHRG75120 Rev. C1
www.fairchildsemi.com
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