IRGP20B60PDPBF datasheet(9/11 Pages) IRF

9 / 11 page

IRGP20B60PDPbF

www.irf.com

Fig. WF1 - Typ. Turn-off Loss Waveform

@ TJ = 125°C using Fig. CT.3

Fig. WF2 - Typ. Turn-on Loss Waveform

@ TJ = 125°C using Fig. CT.3

Fig. WF3 - Reverse Recovery Waveform and

Definitions

-50

100

150

200

250

300

350

400

450

-0.20

0.00

0.20

0.40

0.60

0.80

Time(µs)

-2

90% I

5% V

5% I

Eoff Loss

-50

100

150

200

250

300

350

400

450

7.75

7.85

7.95

8.05

8.15

Time (µs)

-5

TEST CURRENT

90% test current

5% V

10% test current

Eon Loss

trr

Qrr

I RRM

0.5

di(rec)M/dt

0.75 IRRM

di /dt

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

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

IRGP20B60PDPBF Datasheet(PDF) 9 Page - International Rectifier

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