DMB53D0UDW

Document number: DS31675 Rev. 5 - 2

4 of 7

www.diodes.com

December 2009

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DMB53D0UDW

MOSFET (continued)

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

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

°

300

RC/W

θJA

°

= 500