Document Number: 91033

www.vishay.com

S-Pending-Rev. A, 19-Jun-08

5

IRF634N, IRF634NL, IRF634NS, SiHF634N, SiHF634NL, SiHF634NS

Vishay Siliconix

Fig. 7 - Typical Source-Drain Diode Forward Voltage

Fig. 8 - Maximum Safe Operating Area

Fig. 9 - Maximum Drain Current vs. Case Temperature

Fig. 10a - Switching Time Test Circuit

Fig. 10b - Switching Time Waveforms

1

0.2

1.0

0.8

0.6

0.4

V

91033_07

T

T

10

0.1

1.2

Operation in this area limited

by R

DS(on)

T

T

Single Pulse

0.1

1

10

110

91033_08

0.0

2.0

4.0

6.0

8.0

10.0

25

150

125

100

75

50

91033_09

175

Pulse width ≤ 1 µs

Duty factor ≤ 0.1 %

R

D

V

GS

R

G

D.U.T.

10 V

+

-

V

DS

V

DD

V

DS

90 %

10 %

V

GS

t

d(on)

t

r

t

d(off)

t

f