IRF7905PbF

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7

1E-006

1E-005

0.0001

0.001

0.01

0.1

1

10

100

t1 , Rectangular Pulse Duration (sec)

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 + Ta

Fig 25. Maximum Effective Transient Thermal Impedance, Junction-to-Ambient (Q1)

Fig 26. Maximum Effective Transient Thermal Impedance, Junction-to-Ambient (Q2)

Fig 27. Layout Diagram

Ri (°C/W)

τι (sec)

2.195355 0.000149

8.470326 0.019287

36.46787

0.63002

15.37789

15.12

τ

1

τ

1

τ

2

τ

2

τ

3

τ

3

Ci= i

/Ri

Ci=

τi/Ri

1E-006

1E-005

0.0001

0.001

0.01

0.1

1

10

100

t1, Rectangular Pulse Duration (sec)

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 + Ta

Ri (°C/W)

τι (sec)

2.073115

0.000216

9.069028

0.028592

36.96639

0.75582

14.40736

21

τ

J

τ

J

τ

1

τ

1

τ

2

τ

2

τ

3

τ

3

R

1

R

2

R

3

Ci= i

/Ri

Ci=

τi/Ri

τ

a

τ

4

τ

4

L

C

o

C

in

D1

D1

D2

D2

S1

G1

S2

G2

5

6

7

8

4

3

2

1

V

in

V

o

GND