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Document Number: 91038

4

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

IRF644N, IRF644NS, IRF644NL, SiHF644N, SiHF644NS, SiHF644NL

Vishay Siliconix

Fig. 3 - Typical Transfer Characteristics

Fig. 4 - Normalized On-Resistance vs. Temperature

Fig. 5 - Typical Capacitance vs. Drain-to-Source Voltage

Fig. 6 - Typical Gate Charge vs. Gate-to-Source Voltage

20μs PULSE WIDTH

4

6

8

10

11

13

15

1

10

100

-60 -40 -20

0

20 40 60 80 100 120 140160 180

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

Coss

Crss

Ciss

1

10

100

10

100

1000

10000

f = 1 MHZ

012

24

36

48

60

0

4

8

12

16

18