IRF8915

www.irf.com

5

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

Fig 9. Maximum Drain Current vs.

Ambient Temperature

Fig 10. Threshold Voltage vs. Temperature

25

50

75

100

125

150

TA , Ambient Temperature (°C)

0

1

2

3

4

5

6

7

8

9

-75

-50

-25

0

25

50

75

100 125 150

TJ , Temperature ( °C )

1.0

1.5

2.0

2.5

3.0

ID = 250µA

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 =

t / t

2. Peak T

= P

x Z

+ T

1

2

J

DM

thJA

A

P

t

t

DM

1

2

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

Ci

i

/Ri

Ci=

τi/Ri

τ

τ

C

τ

4

τ

4

R

4

R

4

Ri (°C/W)

τi (sec)

3.68799

0.000349

2.18971

0.005246

34.7298

0.470610

21.8971

13.52000