POSEICO
ATF543 FAST SWITCHING THYRISTOR
POSEICO SPA
POwer SEmiconductors Italian COrporation
FINAL SPECIFICATION mag 06 - ISSUE : 07
SWITCHING CHARACTERISTICS
REVERSE RECOVERY CHARGE
Tj = 125 °C
2000
1800
1600
1400
1200
1000
800
1000 A
500 A
250 A
600
400
200
0
0
50
100
150
200
250
300
350
400
di/dt [A/µs]
REVERSE RECOVERY CURRENT
Tj = 125 °C
1200
1000
800
600
400
200
0
1000 A
500 A
250 A
0
50
100
150
200
250
300
350
400
di/dt [A/µs]
di/dt
ta = Irr / (di/dt)
Softness (s factor) s = tb / ta
Energy dissipation during recovery Er = Vr · (Qrr - Irr ·ta / 2 )
tb = trr - ta
IF
ta
tb
Irr
Vr
POSEICO [ POWER SEMICONDUCTORS ]
