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4 of 4

SSM6679M

Rev.2.02 4/06/2004

100

1000

10000

1

5

9

13

17

21

25

29

f=1.0MHz

Ciss

Coss

Crss

0

2

4

6

8

10

12

020

40

60

80

Fig 9. Gate Charge Characteristics

Fig 10. Typical Capacitance Characteristics

0.01

0.1

1

10

100

0.1

1

10

100

1ms

10ms

100ms

1s

DC

Single Pulse

0.001

0.01

0.1

1

0.0001

0.001

0.01

0.1

1

10

100

1000

t , Pulse Width (s)

Duty factor = t/T

Rthja=125

t

T

0.02

0.01

0.05

0.1

0.2

Duty factor=0.5

Single Pulse

Fig 7. Maximum Safe Operating Area

Fig 8. Effective Transient Thermal Impedance

10%

90%

Q

-4.5V

Charge

Fig 11. Switching Time Waveform

Fig 12. Gate Charge Waveform