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Mosfet (continued), Dmb54d0udw – Diodes DMB54D0UDW User Manual

Page 4

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DMB54D0UDW

Document number: DS31677 Rev. 4 - 2

4 of 7

www.diodes.com

December 2009

© Diodes Incorporated

DMB54D0UDW


MOSFET (continued)

V

,

G

A

T

E

T

HRESH

O

L

D V

O

L

T

AG

E (

V

)

GS

(T

H

)

Fig. 7 Gate Threshold Variation vs. Ambient Temperature

-50

-25

0

25

50

75

100

125 150

T , AMBIENT TEMPERATURE (°C)

A

0.5

0.6

0.7

0.8

0.9

1.0

1.1

I = 250µA

D

V

, SOURCE-DRAIN VOLTAGE (V)

SD

I,

S

O

U

R

C

E

C

U

R

R

EN

T

(A

)

S

Fig. 8 Diode Forward Voltage vs. Current

0.0001

0.001

0.01

0.1

1

0.1

0.3

0.5

0.7

0.9

1.1

T = -55°C

A

T = 25°C

A

T = 85°C

A

T = 125°C

A

T = 150°C

A

-50

0

50

100

150

250

200

150

50

100

0

T , AMBIENT TEMPERATURE ( C)

Fig. 9 Derating Curve - Total Package Power Dissipation

A

°

P

,

P

O

WE

R

DI

SSI

P

A

T

IO

N

(mW

)

D

300

R

C/W

θJA

°

= 500