DS11609 Rev. C-4

4 of 4

DT455N

0.01

0.1

1

10

30

0.1

1

10

50

V , DRAIN-SOURCE VOLTAGE (V)

Fig. 5, Maximum Safe Operating Area

DS

R

LIMIT

DS(ON)

V

= 10V

GS

SINGLE PULSE

R

= 42 C

QJA

TA=25 C

1ms

10ms

100ms

1s

10s

dc

100

s

0.001

0.01

0.1

1.0

0.0001

0.001

0.01

0.1

1.0

10

100

t , SQUARE WAVE PULSE DURATION (seconds)

Fig. 6, Typical Normalized Transient Thermal Impedance Curves

1

1000

3000

Single Pulse

0.01

0.05

0.1

0.2

0.02

D = 0.5

T - T = P b R

(t)

Duty Cycle,D=t /t

J

A

PK

QJA

12

R

(t) = r(t) b R

R

= See Note 1c

QJA

QJA

QJA