Safe operating area, Derating curve, Transient thermal impedance – Diodes DXT690BP5 User Manual

Page 3: Pulse power dissipation, Dxt690bp5, Thermal characteristics and derating information

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PowerDI is a registered trademark of Diodes Incorporated.

DXT690BP5

Document number: DS31801 Rev. 3 - 2

3 of 7

www.diodes.com

February 2014

© Diodes Incorporated

DXT690BP5

A Product Line of

Diodes Incorporated






Thermal Characteristics and Derating Information

10

100

1000

10000

20

40

60

80

100

120

140

160

180

10

100

1000

10000

0

1

2

3

4

100m

1

10

10m

100m

1

10

Single Pulse. T

A

=25°C

50mm x 50mm 2oz FR4

V

CE(sat)

Limited

100µs

1ms

10ms

100ms

1s

DC

Safe Operating Area

I

C

Col

le

ct

or

Current

(A

)

V

CE

Collector-Emitter Voltage (V)

0

25

50

75

100

125

150

175

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

MRP
1oz FR4

25mm x 25mm
1oz FR4

50mm x 50mm
2oz FR4

Derating Curve

Temperature (°C)

M

a

x P

o

w

er

Di

ss

ipat

ion (W)

100µ

1m

10m 100m

1

10

100

1k

0

10

20

30

40

Power Rating vs. Cu Area

Thermal Resistance vs. Cu Area

50mm x 50mm
2oz FR4

Transient Thermal Impedance

D=0.5

D=0.2

D=0.1

Single Pulse

D=0.05

T

h

e

rm

a

l Re

si

st

a

nce

(

°C

/W

)

Pulse Width (s)

100µ

1m

10m 100m

1

10

100

1k

1

10

100

Single Pulse. T

A

=25°C

50mm x 50mm

2oz FR4

Pulse Power Dissipation

Pulse Width (s)

M

a

x P

ow

e

r Di

ss

ipat

ion (W)

2 oz. weight Copper

Copper Area (sq mm)

T

herm

a

l R

es

ist

an

ce

C/

W)

1 oz. weight Copper

1 oz. weight Copper

2 oz. weight Copper

P

o

wer Rat

ing (W)

Copper Area (sq mm)

T

A

= 25°C

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