STPS5045S datasheet(3/7 Pages) STMICROELECTRONICS

部件名	STPS5045S

功能描述	Power Schottky rectifier

PDF	7 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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STPS5045S

Characteristics

Doc ID022861 Rev 1

3/7

Figure 1.

Average forward power dissipation

versus average forward current

Figure 2.

Average forward current versus

ambient temperature

(

δ = 0.5)

Figure 3.

Normalized avalanche power

derating versus pulse duration

Figure 4.

Relative variation of thermal

impedance junction to case versus

pulse duration

(W)

F(AV)

203040

6070

δ = 0.05

δ = 0.1 δ = 0.2

δ = 0.5

δ = 1

(A)

F(AV)

δ=tp/T

(A)

F(AV)

100

125

150

175

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

(°C)

amb

δ=t /T

P(t )

(10µs)

ARM p

ARM

0.001

0.01

0.1

100

1000

t (µs)

Z/R

th(j-c)

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

1.E-05

1.E-04

1.E-03

1.E-02

1.E-01

1.E+00

Single pulse

t (s)

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