STPS1545CFP datasheet(3/8 Pages) STMICROELECTRONICS

Part #	STPS1545CFP

Description	POWER SCHOTTKY RECTIFIER

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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STPS1545CT/CF/CG/CFP/CR

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1E-3

1E-2

1E-1

1E+0

0

20

40

60

80

100

120

t(s)

IM(A)

Tc=100°C

Tc=50°C

Tc=150°C

IM

t

δ=0.5

Fig. 5-1: Non repetitive surge peak forward current

versus overload duration (maximum values, per

diode) (TO-220AB and D

2PAK).

0

25

50

75

100

125

150

175

0

1

2

3

4

5

6

7

8

9

Tamb(°C)

IF(av)(A)

Rth(j-a)=15°C/W

Rth(j-a)=Rth(j-c)

TO-220AB

D²PAK

ISOWATT220AB

TO-220FPAB

Rth(j-a)=40°C/W

T

δ=tp/T

tp

Fig.

2:

Average

current

versus

ambient

temperature (

δ= 0.5, per diode).

1E-3

1E-2

1E-1

1E+0

0

10

20

30

40

50

60

70

80

t(s)

IM(A)

Tc=100°C

Tc=50°C

Tc=150°C

IM

t

δ=0.5

Fig. 5-2: Non repetitive surge peak forward current

versus overload duration (maximum values, per

diode) (ISOWATT220AB, TO-220FPAB).

0123456789

10

0

1

2

3

4

5

6

IF(av) (A)

PF(av)(W)

T

δ=tp/T

tp

δ = 1

δ = 0.5

δ = 0.2

δ = 0.1

δ = 0.05

Fig. 1: Average forward power dissipation versus

average forward current (per diode).

0

0.2

0.4

0.6

0.8

1

1.2

0

25

50

75

100

125

150

T (°C)

j

P(t )

P

(25°C)

ARM p

ARM

Fig. 4: Normalized avalanche power derating

versus junction temperature.

0.001

0.01

0.1

0.01

1

0.1

10

100

1000

1

t (µs)

p

P(t )

P

(1µs)

ARM p

ARM

Fig. 3: Normalized avalanche power derating

versus pulse duration.

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