Dmn4026ssd – Diodes DMN4026SSD User Manual

Page 4

Advertising
background image

DMN4026SSD

Document number: DS36351 Rev. 3 - 2

4 of 6

www.diodes.com

August 2013

© Diodes Incorporated

DMN4026SSD





0

0.005

0.01

0.015

0.02

0.025

0.03

0.035

0.04

-50

-25

0

25

50

75

100

125 150

T , JUNCTION TEMPERATURE ( C)

Figure 7 On-Resistance Variation with Temperature

J

R

, D

R

AI

N

-S

O

U

R

C

E

O

N-

R

ES

IST

AN

C

E (

)

DS

(O

N)

V

= 4.5V

I = 5A

GS

D

V

=

V

I = 10A

GS

D

10

1

1.2

1.4

1.6

1.8

2

2.2

2.4

2.6

2.8

3

-50

-25

0

25

50

75

100

125

150

T , JUNCTION TEMPERATURE ( C)

Figure 8 Gate Threshold Variation vs. Ambient Temperature

J

I = 1mA

D

I = 250µA

D

V

, GA

T

E

T

HRESHOL

D VOL

T

A

G

E

(

V

)

GS

(t

h

)

0

5

10

15

20

25

30

0

0.3

0.6

0.9

1.2

1.5

V

, SOURCE-DRAIN VOLTAGE (V)

SD

Figure 9 Diode Forward Voltage vs. Current

I,

S

O

U

R

C

E

C

U

R

R

EN

T

(A

)

S

T = 150°C

A

T = 125°C

A

T = 85°C

A

T = 25°C

A

T = -55°C

A

0.001

0.01

0.1

1

0.00001

0.0001

0.001

0.01

0.1

1

10

100

1,000

t1, PULSE DURATION TIME (sec)

Figure 10 Transient Thermal Resistance

r(t

), T

R

A

N

SI

E

N

T T

H

E

R

M

AL

R

ESI

ST

A

N

C

E

D = 0.5

D = 0.7

D = 0.9

D = 0.3

D = 0.1

D = 0.05

D = 0.02

D = 0.01

D = 0.005

D = Single Pulse

R

(t) = r(t) * R

R

= 94°C/W

Duty Cycle, D = t1/ t2

JA

JA

JA

Advertising