STPS1045BTRRPBF datasheet(4/7 Pages) IRF

No de pièce	STPS1045BTRRPBF

Description	SCHOTTKY RECTIFIER

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Fabricant	IRF [International Rectifier]

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STPS1045BPbF

Bulletin PD-21098 rev. B 08/06

4

www.irf.com

Fig. 5 - Maximum Allowable Case Temperature

Vs. Average Forward Current

Fig. 6 - Forward Power Loss Characteristics

Fig. 7 - Maximum Non-Repetitive Surge Current

(2)

Formula used: T

C = TJ - (Pd + PdREV) x RthJC;

Pd = Forward Power Loss = I

F(AV) x VFM @ (IF(AV) / D) (see Fig. 6);

Pd

REV = Inverse Power Loss = VR1 x IR (1 - D); IR @ VR1 = 80% rated VR

Average Forward Current - I

F(AV) (A)

Square Wave Pulse Duration - t

p

(microsec)

Average Forward Current - I

F(AV)

(A)

140

150

160

170

180

0

2

4

6

8

10

12

14

16

DC

Square wave (D = 0.50)

80% Rated Vr applied

see note (2)

0

2

4

6

8

10

12

14

16

0

2

4

6

8

10

12

14

16

DC

RMS Limit

D = 0.20

D = 0.25

D = 0.33

D = 0.50

D = 0.75

10

100

1000

10

100

1000

10000

At Any Rated Load Condition

And With Rated Vrrm Applied

Following Surge

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