IRF640B/IRFS640B
Typical Characteristics
(Continued)
(t), T h e r m a l R e s p o n s e
10
0
D = 0 .5
0 .2
10
-1
0 .1
0 .0 5
0 .0 2
0 .0 1
s in g le p u ls e
※
N o te s :
1 . Z
θ
J C
(t) = 0 .9
℃
/W M a x .
2 . D u ty F a c to r, D = t
1
/t
2
3 . T
J M
- T
C
= P
D M
* Z
θ
J C
(t)
P
DM
t
1
t
2
Z
θ
JC
10
-2
10
-5
10
-4
10
-3
10
-2
10
-1
10
0
10
1
t
1
, S q u a re W a v e P u ls e D u ra tio n [s e c ]
Figure 11-1. Transient Thermal Response Curve for IRF640B
(t), T h e rm a l R e s p o n s e
D = 0 .5
10
0
0 .2
0 .1
0 .0 5
10
-1
※
N o te s :
1 . Z
θ
J C
(t) = 2 .8 9
℃
/W M a x .
2 . D u ty F a c to r, D = t
1
/t
2
3 . T
J M
- T
C
= P
D M
* Z
θ
J C
(t)
0 .0 2
0 .0 1
s in g le p u ls e
10
-2
P
DM
t
1
t
2
Z
θ
JC
10
-5
10
-4
10
-3
10
-2
10
-1
10
0
10
1
t
1
, S q u a re W a v e P u ls e D u ra tio n [s e c ]
Figure 11-2. Transient Thermal Response Curve for IRFS640B
©2001 Fairchild Semiconductor Corporation
Rev. A, November 2001
ROCHESTER [ Rochester Electronics ]
