CEC8218
5
4
3
2
1
0
VDS=10V
ID=5A
on
t
toff
d(off)
t
r
t
d(on)
OUT
t
f
t
90%
10%
90%
V
10%
INVERTED
90%
50%
50%
IN
V
10%
PULSE WIDTH
0
1
2
3
4
5
6
Qg, Total Gate Charge (nC)
Figure 7. Gate Charge
Figure 8. Switching Waveforms
VDD
RL
VIN
D
OUT
V
VGS
RGEN
G
S
Figure 9. Switching Test Circuit
100
D=0.5
0.2
10-1
0.1
0.05
0.02
PDM
t1
t2
0.01
10-2
1. RθJA (t)=r (t) * RθJA
2. RθJA=See Datasheet
3. TJM-TA = P* RθJA (t)
4. Duty Cycle, D=t1/t2
Single Pulse
10-3
10-4
10-3
10-2
10-1
100
101
102
Square Wave Pulse Duration (sec)
Figure 10. Normalized Thermal Transient Impedance Curve
4