Dmc4050ssd, A product line of diodes incorporated – Diodes DMC4050SSD User Manual

Page 5

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DMC4050SSD

Document number: DS33310 Rev. 2 - 2

5 of 11

www.diodes.com

March 2011

© Diodes Incorporated

DMC4050SSD

A Product Line of

Diodes Incorporated





0

0.01

0.02

0.03

0.04

0.05

0.06

0

5

10

15

20

25

30

Fig. 3 Typical On-Resistance

vs. Drain Current and Gate Voltage

I , DRAIN-SOURCE CURRENT (A)

D

R

, DRAIN

-S

OURCE ON-

RESIS

T

A

NCE (

)

DS

(O

N)

Ω

V

= 4.5V

GS

V

= 10V

GS

0

0.01

0.02

0.03

0.04

0

5

10

15

20

25

30

I , DRAIN CURRENT (A)

D

Fig. 4 Typical On-Resistance

vs. Drain Current and Temperature

R

,

D

R

AI

N

-S

O

U

R

C

E

O

N

-R

ESI

S

T

A

N

C

E (

)

DS

(O

N)

Ω

T = -55°C

A

T = 25°C

A

T = 85°C

A

T = 125°C

A

T = 150°C

A

V

= 10V

GS

0.5

0.7

0.9

1.1

1.3

1.5

1.7

Fig. 5 On-Resistance Variation with Temperature

-50

-25

0

25

50

75

100

125 150

T , AMBIENT TEMPERATURE (°C)

A

R

, DRAIN

-S

OURC

E

ON-

RE

S

IST

A

NCE (

NORM

A

L

IZ

E

D)

DS

O

N

V

= 10V

I = 20A

GS

D

V

= 4.5V

I = 10A

GS

D

0

0.01

0.02

0.03

0.04

0.05

0.06

Fig. 6 On-Resistance Variation with Temperature

-50

-25

0

25

50

75

100

125 150

T , AMBIENT TEMPERATURE (°C)

A

R

, DR

AIN-

S

O

U

RCE ON-

RE

S

IST

A

NCE (

)

DS

O

N

Ω

V

= 10V

I = 20A

GS

D

V

= 4.5V

I = 10A

GS

D

0

0.3

0.6

0.9

1.2

1.5

1.8

2.1

2.4

2.7

3.0

Fig. 7 Gate Threshold Variation vs. Ambient Temperature

-50

-25

0

25

50

75

100

125 150

T , AMBIENT TEMPERATURE (°C)

A

V

,

G

A

T

E

T

HRES

HOL

D V

O

L

T

AGE (

V

)

GS

(T

H

)

I = 250µA

D

I = 1mA

D

0

2

4

6

8

10

12

14

16

18

20

0.2

0.4

0.6

0.8

1.0

1.2

Fig. 8 Diode Forward Voltage vs. Current

V

, SOURCE-DRAIN VOLTAGE (V)

SD

I,

S

O

U

R

C

E

C

U

R

R

EN

T

(A)

S

T = 25°C

A

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