IRF9540NS/LPbF

www.irf.com

5

1E-006

1E-005

0.0001

0.001

0.01

0.1

t1 , Rectangular Pulse Duration (sec)

0.001

0.01

0.1

1

10

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 Zthjc + Tc

Fig 10a. Switching Time Test Circuit

Fig 10b. Switching Time Waveforms

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

Fig 9. Maximum Drain Current vs.

Case Temperature

-10V

Pulse Width ≤ 1 µs

Duty Factor ≤ 0.1 %

D.U.T.

90%

10%

25

50

75

100

125

150

TC , Case Temperature (°C)

0

4

8

12

16

20

24

Ri (°C/W)

τi (sec)

0.1737838 0.0000610

0.4335992 0.0019590

0.4921007 0.0260060

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

τ

C

Ci

i

/Ri

Ci=

τi/Ri