Typical Electrical Characteristic: N & P-Channel
(continued)
20
10
RD
S(O
N)
LIM
IT
10
10
1m
ms
s
s
±I
D
, DRAIN CURRENT (A)
3
1
0.3
0.1
0.03
0.01
0.1
0m
1s
10
DC
V
GS
=
s
±20V
SINGLE PULSE
T
A
= 25°C
0.2
0.5
1
2
5
10
20
30
± V
DS
, DRAIN-SOURCE VOLTAGE (V)
Figure 23. Maximum Safe Operating Area.
1
0 .5
TRANSIENT THERMAL RESISTANCE
r(t), NORMALIZED EFFECTIVE
D = 0.5
0.2
0.1
0.05
0.02
0.01
Single Pulse
P(pk)
0 .2
0 .1
0 .0 5
0 .0 2
0 .0 1
0 .0 0 5
0 .0 0 2
0 .0 0 1
0 .0001
R
JA
(t) = r(t) * R
JA
θ
θ
R
JA
= See Note 1c
θ
t
1
T
J
- T
A
t
2
= P * R
JA
(t)
θ
Duty Cycle, D = t
1
/ t
2
0 .001
0 .0 1
0 .1
1
10
100
300
t
1
, TIME (sec)
Figure 24. Transient Thermal Response Curve
.
Note:
Thermal characterization performed using the conditions described in note 1c. Transient thermal response will change
depending on the circuit board design.
V
DD
V
IN
D
t
on
t
off
t
r
90%
R
L
V
OUT
DUT
t
d(on)
t
d(off)
90%
t
f
V
GS
V
OUT
R
GEN
10%
10%
90%
G
S
V
IN
10%
50%
50%
PULSE WIDTH
Figure 25. N or P-Channel
Switching Test Circuit
Figure 26. N or P-Channel
Switching Waveforms
NDS9958.SAM
FAIRCHILD [ FAIRCHILD SEMICONDUCTOR ]
