Data Sheet

NDS355N Rev. D1
0 2 4 6 8 10 12
0
2
4
6
8
I , DRAIN CURRENT (A)
g , TRANSCONDUCTANCE (SIEMENS)
D
FS
V = 5V
DS
T = 125°C
J
25°C
-55°C
D
0.1 1 2 5 10 20 30 50
0.01
0.1
0.5
1
2
10
20
V , DRAIN-SOURCE VOLTAGE (V)
I , DRAIN CURRENT (A)
D
V = 10V
SINGLE PULSE
T = 25°C
A
RDS(ON) Limit
DC
GS
DS
1s
100ms
10s
10ms
1ms
100us
Figure 13. Transconductance Variation with Drain
Current and Temperature
Figure 14. Maximum Safe Operating Area
Typical Electrical Characteristics (continued)
0.0001 0.001 0.01 0.1 1 10 100 300
0.001
0.002
0.005
0.01
0.02
0.05
0.1
0.2
0.5
1
t , TIME (sec)
TRANSIENT THERMAL RESISTANCE
r(t), NORMALIZED EFFECTIVE
1
Single Pulse
D = 0.5
0.1
0.05
0.02
0.01
0.2
Duty Cycle, D = t /t
1 2
R (t) = r(t) * R
R = 250 °C/W
θ
JA
θ
JA
θ
JA
T - T = P * R (t)
θ
JA
A
J
P(pk)
t
1
t
2
Figure 15. Transient Thermal Response Curve
Note : Characterization performed using the conditions described in note 1c. Transient thermal response will
change depending on the circuit board design.