4-437

FIGURE 1. NORMALIZED POWER DISSIPATION vs CASE

TEMPERATURE

FIGURE 2. MAXIMUM CONTINUOUS DRAIN CURRENT vs

CASE TEMPERATURE

FIGURE 3. NORMALIZED MAXIMUM TRANSIENT THERMAL IMPEDANCE

FIGURE 4. FORWARD BIAS SAFE OPERATING AREA

FIGURE 5. PEAK CURRENT CAPABILITY

1.2

1.0

0.8

0.6

0.4

0.2

0

0

25

50

75

100

125

150

175

10

8

6

4

2

0

25

50

75

100

125

150

175

12

14

1

0.1

0.01

NOTES:

0.01

0.02

0.05

0.1

0.2

0.5

SINGLE PULSE

50

10

1

0.1

1

10

100

1ms

100

µs

10ms

DC

OPERATION IN THIS

AREA MAY BE

SINGLE PULSE

10

100

t, PULSE WIDTH (ms)

TRANSCONDUCTANCE

MAY LIMIT CURRENT

IN THIS REGION

DERATE PEAK CURRENT

CAPABILITY AS FOLLOWS:

II

25

*

175

T

C

–

150

----------------------

=

200

RFD3055, RFD3055SM, RFP3055