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4

IRF7811AVPbF

Figure 7. Maximum Effective Transient Thermal Impedance, Junction-to-Ambient

0.1

1

10

100

0.0001

0.001

0.01

0.1

1

10

100

1000

Notes:

1. Duty factor D = t / t

2. Peak T = P

x Z

+ T

1

2

J

DM

thJA

A

P

t

t

DM

1

2

t , Rectangular Pulse Duration (sec)

1

0.01

0.02

0.05

0.10

0.20

D = 0.50

SINGLE PULSE

(THERMAL RESPONSE)

Figure 8. Clamped Inductive load test diagram and switching waveform

50 Ohms pro b e

12 5n S

50 u

5 uH

Sch ottky -6 A

VDD

16 Vz500mW

50 u

45 0

45 0

Mic4452BM

Re pe titio n ra te:1 00 Hz

8V

Switching Time Waveforms

10%

90%

V

ds

t

d(on)

t

f(v)

t

d(off)

t