STPS2L40UF datasheet(3/8 Pages) STMICROELECTRONICS

Part #	STPS2L40UF

Description	Low drop power Schottky rectifier

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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STPS2L40

Characteristics

3/8

Figure 3.

Average forward current versus

ambient temperature (

δ = 0.5)

SMB flat

Figure 4.

Non repetitive surge peak forward

current versus overload duration

(maximum values) SMB

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

2.2

0

25

50

75

100

125

150

I

(A)

F(AV)

SMB flat

T

(°C)

amb

R

=100°C/W

th(j-a)

R=R

th(j-a)

th(j-l)

T

δ=tp/T

tp

0

1

2

3

4

5

6

7

8

9

10

11

12

1.E-03

1.E-02

1.E-01

1.E+00

IM

t

δ=0.5

I (A)

M

t(s)

T =25°C

a

T =75°C

a

T =125°C

a

SMB

Figure 5.

Non repetitive surge peak forward

current versus overload duration

(maximum values) SMB flat

Figure 6.

Normalized avalanche power

derating versus pulse duration

0

5

10

15

20

25

30

1.E-03

1.E-02

1.E-01

1.E+00

I (A)

M

T =25°C

L

T =75°C

L

T =125°C

L

SMB flat

(non exposed pad)

IM

t

δ=0.5

t(s)

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

Figure 7.

Normalized avalanche power

derating versus junction

temperature

Figure 8.

Relative variation of thermal

impedance junction to ambient

versus pulse duration - SMB

0

0.2

0.4

0.6

0.8

1

1.2

25

50

75

100

125

150

T (°C)

j

P(t )

P

(25°C)

ARM p

ARM

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

1.E-02

1.E-01

1.E+00

1.E+01

1.E+02

1.E+03

Z/R

th(j-a)

T

δ=tp/T

tp

t (s)

p

Single pulse

SMB

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