Dms3012sfg – Diodes DMS3012SFG User Manual

Page 5

Advertising
background image

POWERDI is a registered trademark of Diodes Incorporated.

DMS3012SFG

Document number: DS35441 Rev. 7 - 2

5 of 8

www.diodes.com

October 2012

© Diodes Incorporated

DMS3012SFG





0

10

20

15

25

30

Fig. 6 Typical On-Resistance

vs. Drain Current and Gate Voltage

I , DRAIN-SOURCE CURRENT (A)

D

5

0.05

R

, D

R

AI

N

-S

O

U

R

C

E

O

N

-R

ES

IS

T

A

N

C

E (

)

DS

(O

N)

Ω

0

0.04

0.01

0.02

0.03

V

= 2.5V

GS

V

= 4.5V

GS

V

= 10V

GS

0

5

10

15

20

25

30

I , DRAIN CURRENT (A)

D

Fig. 7 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 = 85°C

A

T = 25°C

A

T = -55°C

A

T = 150°C

A

V

= 10V

GS

T = 125°C

A

-50

-25

0

25

50

75

100

125 150

T , AMBIENT TEMPERATURE (°C)

A

Fig. 8 On-Resistance Variation with Temperature

R

, D

R

AI

N

-S

O

U

R

C

E

ON-

RES

IST

A

NCE (

NORM

A

L

IZ

E

D)

DS

O

N

0.6

0.8

1.0

1.2

1.4

1.6

V

= 10V

I = 5A

GS

D

V

= 10V

I = 10A

GS

D

Fig. 9 On-Resistance Variation with Temperature

-50

-25

0

25

50

75

100

125 150

T , AMBIENT TEMPERATURE (°C)

A

0

0.01

0.03

R

, D

R

AI

N

-S

O

U

R

C

E

O

N

-R

ES

IS

T

A

N

C

E (

)

DS

O

N

Ω

R

, D

R

AI

N

-S

O

U

R

C

E

O

N

-R

ES

IS

T

A

N

C

E (

)

DS

O

N

Ω

0.02

V

= 10V

I = 10A

GS

D

V

= 10V

I = 5A

GS

D

Fig. 10 Gate Threshold Variation vs. Ambient Temperature

-50

-25

0

25

50

75

100

125

150

T , AMBIENT TEMPERATURE (°C)

A

0

0.5

1.0

1.5

2.0

2.5

3.0

V,

G

A

T

E

T

H

R

ES

H

O

LD

V

O

L

T

A

G

E (

V)

GS

(T

H

)

I = 1mA

D

I = 250µA

D

0

5

10

15

20

25

30

0

0.4

0.6

0.8

1.0

1.2

Fig. 11 Diode Forward Voltage vs. Current

V

, SOURCE-DRAIN VOLTAGE (V)

SD

0.2

I,

S

O

U

R

C

E

C

U

R

R

E

N

T

(A

)

S

T = 25°C

A

Advertising