Dmp3012lps – Diodes DMP3012LPS User Manual

Page 4

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POWERDI is a registered trademark of Diodes Incorporated.

DMP3012LPS

Document number: DS35247 Rev. 2 - 2

4 of 6

www.diodes.com

April 2014

© Diodes Incorporated

DMP3012LPS


T , AMBIENT TEMPERATURE (°C)

A

Figure 7 Gate Threshold Variation vs. Ambient Temperature

-V

, G

A

TE

T

H

R

ES

H

O

LD

V

O

LT

A

GE (

V

)

GS

(T

H

)

0

0.5

1

1.5

2

2.5

-50

-25

0

25

50

75

100

125 150

I = -1mA

D

I = -250µA

D

-V , SOURCE-DRAIN VOLTAGE (V)

SD

Figure 8 Diode Forward Voltage vs. Current

-I

,

S

O

U

R

C

E

C

U

R

R

E

NT

(

A

)

S

0

5

10

15

20

25

30

0

0.3

0.6

0.9

1.2

1.5

T = -55°C

A

T = 25°C

A

T = 85°C

A

T = 125°C

A

T = 150°C

A

-V , DRAIN-SOURCE VOLTAGE (V)

DS

Figure 9 Typical Total Capacitance

C

, J

U

N

C

TI

O

N

C

AP

A

C

IT

A

N

C

E (

pF

)

T

100

1000

10000

100000

0

5

10

15

20

25

30

f = 1MHz

C

iss

C

rss

C

oss

Q , OTAL GATE CHARGE (nC)

Figure 10 Gate-Source Voltage vs. Total Gate Charge

g

T

-V

, A

T

E-

SOUR

CE

VOL

TA

G

E

(V)

GS

G

0

1

2

3

4

5

6

7

8

9

10

0

30

60

90

120

150

V

= -15V

I = -10A

DS

D

t , PULSE DURATION TIME (s)

1

Figure 11 Transient Thermal Response

R

(t) = r(t) *

θJA

R

R

= 95°C/W

θ

θ

JA

JA

Duty Cycle, D = t /t

1 2

D = 0.7

D = 0.3

D = 0.1

D = 0.05

D = 0.02

D = 0.01

D = 0.005

D = Single Pulse

D = 0.9

D = 0.5

0.0001

0.001

0.01

0.1

1

10

100

1000

r(

t)

, T

ra

ns

ie

nt

T

he

rm

al

R

es

is

ta

nc

e

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