IRF7831PbF

www.irf.com

5

1E-006

1E-005

0.0001

0.001

0.01

0.1

1

10

100

t1 , Rectangular Pulse Duration (sec)

0.001

0.01

0.1

1

10

100

0.20

0.10

D = 0.50

0.02

0.01

0.05

SINGLE PULSE

( THERMAL RESPONSE )

Notes:

1. Duty Factor D = t1/t2

2. Peak Tj = P dm x Zthja + Tc

τ

J

τ

J

τ

1

τ

1

τ

2

τ

2

τ

3

τ

3

R

1

R

1

R

2

R

2

R

3

R

3

C

Ci=

τi/Ri

τ

τ

C

τ

4

τ

4

R

4

R

4

τ

5

τ

5

R

5

R

5

Ri (°C/W)

τi (sec)

0.514

0.000182

2.445

0.030949

20.64

0.36354

17.80

6.99

8.604

109

Fig 11. Maximum Effective Transient Thermal Impedance, Junction-to-Ambient

Fig 9. Maximum Drain Current Vs.

Case Temperature

Fig 10. Threshold Voltage Vs. Temperature

-75

-50

-25

0

25

50

75

100 125 150

TJ , Temperature ( °C )

1.0

1.2

1.4

1.6

1.8

2.0

2.2

2.4

ID = 250µA

25

50

75

100

125

150

TJ , Junction Temperature (°C)

0

4

8

12

16

20

24