APPLICATION DATA (Cont’d)

I F

V F

V Fp

1.1V F

V F

F

dI /dt

0

0t

t

I Fmax

tfr

Fig. 4 : TURN-ON CHARACTERISTICS

Turn-on losses :

Ratings and characteristics

curves are ON

GOING.

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

0.0

0.5

1.0

1.5

2.0

2.5

3.0

P1(W)

IF(av) (A)

δ = 0.2

δ = 0.5

δ = 1

δ = 0.05

δ = 0.1

Fig. 5: Conduction losses versus average current.

0

20

40

60

80

100 120 140 160 180 200

0.00

0.05

0.10

0.15

0.20

0.25

0.30

0.35

P3(W)

Tj=125°C

F=20KHz

VR=400V

IL=2A

IL=4A

dIF/dt(A/us)

Fig. 6: Switching OFF losses versus dIF/dt.

0

20

40

60

80

100

120

140

160

180

200

0

0.05

0.1

0.15

0.2

dIF/dt(A/us)

P4(W)

Tj=125°C F=100KHz IF=IF(AV)

Fig. 7: Switching ON losses versus dIF/dt.

0

20

40

60

80

100

120

140

160

180

200

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

Tj=125°C F=20KHz

VR=400V

IL=2A

IL=4A

P5(W)

dIF/dt(A/us)

Fig. 8: Switching losses in transistor due to the diode.

STTA206S

5/8