For more information, please refer to the following application notes related to the power losses :

•

AN604: Calculation of conduction losses in a power rectifier

•

AN4021: Calculation of reverse losses on a power diode

1.1

Characteristics (curves)

average forward current

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

1.1

1.2

1.3

1.4

1.5

1.6

1.7

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

2.2

P

( W)

F(AV)

T

=tp/T

tp

= 1

= 0.1

= 0.05

= 0.5

= 0.2

δ

δ

δ

δ

δ

δ

IF(AV)(A)

temperature (δ = 0.5, SMA / 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

175

I

(A)

F(AV)

T

=tp/T

tp

SMB

R

= 80°C/W

S

= 1.5cm

th(j-a)

(CU)

2

T

amb

R

=R

th(j-a)

t h(j-I)

SMA

R

= 100°C/W

S

= 1.5cm

th(j-a)

(CU)

2

SMA

SMB

δ

temperature (δ = 0.5, SMB Flat)

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

175

SMBflat

R

= R

th(j-a)

th(j-l)

R

= 40 °C/W

th(j-a)

S

= 2.5 cm

CU

2

I

(A)

F(AV)

T

tp

T

(°C)

amb

temperature (δ = 0.5, SMA Flat, SMA Flat Notch)

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

2 5

5 0

7 5

100

125

150

175

T

tp

T

(°C)

amb

I

(A)

F(AV)

SMA Flat

SMA Flat Notch

STPS2H100

Characteristics (curves)

DS1452 - Rev 10

page 3/19