STPS2545C-Y datasheet(3/7 Pages) STMICROELECTRONICS

Part #	STPS2545C-Y

Description	Automotive power Schottky rectifier

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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STPS2545C-Y

Characteristics

Doc ID 17260 Rev 2

3/7

Figure 1.

Conduction losses versus average

current)

Figure 2.

Average forward current versus

ambient temperature (

δ = 0.5)

0

1

2

3

4

5

6

7

8

9

10

0.0

2.5

5.0

7.5

10.0

12.5

15.0

I

(A)

F(AV)

δ = 0.05 δ = 0.1

δ = 0.2

δ = 0.5

δ = 1

P

(W)

F(AV)

T

δ=tp/T

tp

0

2

4

6

8

10

12

14

0

25

50

75

100

125

150

175

T

(°C)

amb

Rth

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

Rth

(j-a)=50°C/W

I

(A)

F(AV)

T

δ=tp/T

tp

Figure 3.

Normalized avalanche power

derating versus pulse duration

Figure 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(tp)

P

(1 µs)

ARM

0

0.2

0.4

0.6

0.8

1

1.2

25

50

75

100

125

150

T (°C)

j

P(Tj)

P

(25 °C)

ARM

Figure 5.

Non repetitive surge peak forward

current versus overload duration

(maximum values)

Figure 6.

Relative variation of thermal

impedance junction to case versus

pulse duration

0

20

40

60

80

100

120

140

160

180

200

1.E-03

1.E-02

1.E-01

1.E+00

t(s)

T

C=25°C

T

C=75°C

T

C=125°C

I (A)

M

IM

t

δ=0.5

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

1.E-03

1.E-02

1.E-01

1.E+00

t (s)

P

Zth(j-c) / Rth(j-c)

δ = 0.5

δ = 0.2

δ = 0.1

Single pulse

T

δ=tp/T

tp

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