IRF7853PbF

www.irf.com

5

1E-006

1E-005

0.0001

0.001

0.01

0.1

1

10

100

1000

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 = Pdm x Zthja + Ta

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

Fig 10a. Switching Time Test Circuit

90%

10%

Fig 10b. Switching Time Waveforms

Pulse Width ≤ 1 µs

Duty Factor ≤ 0.1 %

D.U.T.

10V

+

Fig 9. Maximum Drain Current vs.

Ambient Temperature

25

50

75

100

125

150

TC , CaseTemperature (°C)

0

2

4

6

8

10

Ri (°C/W)

τi (sec)

7.016

0.00474

26.95

0.04705

16.04

2.3619

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

τ

C

Ci

τi/Ri

Ci=

τi/Ri

A