IRF740

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Vishay Siliconix

S21-0853-Rev. D, 16-Aug-2021

4

Document Number: 91054

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

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

91054_07

0.50

1.10

0.90

0.70

1.50

1.30

25

150

V

91054_08

Operation in this area limited

by R

DS(on)

T

T

Single Pulse

2

5

1

2

5

2

5

2

5

0.1

1

10

25

2

5

2

5

25

0.1

10

91054_09

0

4

6

8

10

25

150

125

100

75

50

2

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

91054_11

0

- 0.5

0.2

0.1

0.05

0.01

Single Pulse

(Thermal Response)

P

DM

t

1

t

2

Notes:

1. Duty Factor, D = t

2. Peak T

0.02

10

1

0.1

0.1

1

10