AFF450HVI
FINAL SPECIFICATION apr 17 - ISSUE : 1
SWITCHING CHARACTERISTICS
FORWARD RECOVERY VOLTAGE
160
140
120
100
80
Tj = 150 °C
Tj = 125 °C
IF
VFR
60
40
VF
20
0
0
200
400
600
800
1000
di/dt [A/µs]
REVERSE RECOVERY CURRENT
REVERSE RECOVERY CHARGE
Tj = 125 °C
Tj = 125 °C
Tj = 150°
Tj = 150°
900
800
700
600
500
400
300
200
100
0
2000
1800
1600
1400
1200
1000
800
1000 A
1000 A
500 A
500 A
600
400
200
0
0
100
200
300
400
0
100
200
300
400
di/dt [A/µs]
di/dt [A/µs]
IF
d i/d t
ta = Irr / (di/dt)
Softness (s factor) s = tb / ta
Energy dissipation during recovery Er = Vr · (Qrr - Irr ·ta / 2 )
tb = trr - ta
ta
tb
Irr
Vr
POSEICO [ POWER SEMICONDUCTORS ]
