Analog Power
AM3443P
Typical Electrical Characteristics
100
10
1
0.15
0.12
0.09
0.06
0.03
0
ID=-3.6A
TA = 125oC
0.1
0.01
25oC
0.001
0.0001
1
2
3
4
5
0
0.2
0.4
0.6
0.8
1
1.2
-VGS, GATE TO SOURCE VOLTAGE (V)
-VSD, BODY DIODE FORWARD VOLTAGE (V)
Figure 7. Source-Drain Diode Forward Voltage
Figure 8. On-Resistance with Gate to Source Voltage
50
SINGLE PULSE
RqJA = 125oC/W
TA = 25oC
1.2
1
40
ID = -250
A
m
30
20
10
0
0.8
0.6
0.4
-50
-25
0
25
50
75
100
125
150
0.001
0.01
0.1
1
10
100
TA, AMBIENT TEMPERATURE (oC)
t1, TIME (SEC)
Figure 9. Vth Gate to Source Voltage Vs Temperature
Figure 10. Single Pulse Maximum Power Dissipation
Normalized Thermal Transient Junction to Ambient
1
0.1
D = 0.5
RqJA(t) = r(t) + RqJA
RqJA = 125 °C/W
0.2
0.1
0.0
P (pk
0.02
0.01
t1
t2
0.01
0.001
TJ - TA = P * RqJA(t)
Duty Cycle, D = t1 / t2
SINGLE P ULSE
0.001
0.0001
0.01
0.1
1
10
100
1000
t1, TIME (sec)
Figure 11. Transient Thermal Response Curve
4
Publication Order Number:
DS-AM3443_G
PRELIMINARY
ANALOGPOWER [ ANALOG POWER ]
