GP50B60PD datasheet(9/10 Pages) IRF

9 / 10 page

IRGP50B60PD

www.irf.com

Fig. WF1 - Typ. Turn-off Loss Waveform

@ TJ = 25°C using Fig. CT.3

Fig. WF2 - Typ. Turn-on Loss Waveform

@ TJ = 25°C using Fig. CT.3

Fig. WF3 - Reverse Recovery Waveform and

Definitions

4. Qrr - Area under curve defined by trr

and IRRM

trr X IRRM

Qrr =

5. di(rec)M/dt - Peak rate of change of

current during tb portion of trr

trr

Qrr

I RRM

0.5

di(rec)M/dt

0.75 IRRM

di /dt

1. dif/dt - Rate of change of current

through zero crossing

2. IRRM - Peak reverse recovery current

3. trr - Reverse recovery time measured

from zero crossing point of negative

going IF to point where a line passing

through 0.75 IRRM and 0.50 IRRM

extrapolated to zero current

-100

100

200

300

400

500

600

700

-0.05

0.05

0.1

0.15

Time (uS)

-5

Eoff Loss

90% Ice

5% Vce

5% Ice

Vce

Ice

-100

100

200

300

400

500

600

700

3.95

4.05

4.15

4.25

Time (uS)

-10

Eon

Loss

90% Ice

10% Ice

5% Vce

Vce

Ice

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