IRF8513PbF

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7

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

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

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

1000

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

Ci=

τi/Ri

Ci=

τi/Ri

0.16165

0.000010

0.32401

0.000015

0.610673

0.000020

1.3993

0.001289

1.8271

0.000340

15.5964

0.027339

24.1639

23.89834

55.9172

0.716225

Ri (°C/W)

τi (sec)

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

1000

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

Ci=

τi/Ri

Ci=

τi/Ri

0.12491

0.000010

0.18285

0.000012

0.47188

0.000020

1.08129

0.001289

1.41186

0.000340

5.99757

0.013743

18.93874

31.39834

34.29159

0.682685

Ri (°C/W)

τi (sec)

Fig 27. Layout Diagram