5 VDS=-15V
ID=-7A
4
3
2
1
0
0
3
6
9
12
15
18
Qg, Total Gate Charge (nC)
Figure 7. Gate Charge
VDD
RL
VIN
D
VOUT
VGS
RGEN G
S
CEM4311
102
RDS(ON)Limit
1ms
101
10ms
100ms
1s
5
100
DC
10-1
TA=25 C
TJ=150 C
Single Pulse
10-2 10-2
10-1
100
101
102
-VDS, Drain-Source Voltage (V)
Figure 8. Maximum Safe
Operating Area
td(on)
VOUT
t on
tr
td(off)
90%
10% INVERTED
toff
tf
90%
10%
VIN
10%
50%
90%
50%
PULSE WIDTH
Figure 9. Switching Test Circuit
Figure 10. Switching Waveforms
100
D=0.5
0.2
10-1
0.1
0.05
10-2
0.02
0.01
Single Pulse
10-3
10-4
10-3
10-2
10-1
100
Square Wave Pulse Duration (sec)
PDM
t1
t2
1. RθJA (t)=r (t) * RθJA
2. RθJA=See Datasheet
3. TJM-TA = P* RθJA (t)
4. Duty Cycle, D=t1/t2
101
102
Figure 11. Normalized Thermal Transient Impedance Curve
5 - 19