IRF820S, SiHF820S, IRF820L, SiHF820L

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Vishay Siliconix

S15-1659-Rev. D, 20-Jul-15

5

Document Number: 91060

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

Fig. 12a - Unclamped Inductive Test Circuit

Fig. 12b - Unclamped Inductive Waveforms

Fig. 12c - Maximum Avalanche Energy vs. Drain Current

Fig. 13a - Basic Gate Charge Waveform

Fig. 13b - Gate Charge Test Circuit

R

g

0.01

W

D.U.T

L

V

DS

+

-

V

DD

10 V

500

0

100

200

300

400

25

150

125

100

75

50

Bottom

Top

I

D

1.1 A

1.6 A

2.5 A

V

91060_12c

Q

GS

Q

GD

Q

G

Charge

10 V

D.U.T.

3 mA

V

GS

V

DS

I

G

I

D

0.3 µF

0.2 µF

50 k

Ω

12 V

Current regulator

Current sampling resistors

Same type as D.U.T.

+

-