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MUR1540 Datasheet, PDF (3/4 Pages) Fairchild Semiconductor – 15A, 400V - 600V Ultrafast Diodes
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MUR1540, MUR1560, RURP1540, RURP1560
Typical Performance Curves (Continued)
60
50
40
trr
30
ta
20
10
tb
0
1
10
20
IF, FORWARD CURRENT (A)
FIGURE 3. trr, ta AND tb CURVES vs FORWARD CURRENT
16
14
DC
12
10
SQ. WAVE
8
6
4
2
0
120
130
140
150
160
170
180
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
I = 1A
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
©2002 Fairchild Semiconductor Corporation
MUR1540, MUR1560, RURP1540, RURP1560 Rev. B
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