Analog Power
AM4512C
Typical Electrical Characteristics (P-Channel)
0.25
0.2
0.15
0.1
0.05
0
100
10
ID = -5.7A
VGS =0V
TA = 125oC
1
0.1
25oC
0.01
0.001
0.0001
TA = 25oC
0
0.2
0.4
0.6
0.8
1
1.2
1.4
2
4
6
8
10
-VSD, BODY DIODE FORWARD VOLTAGE (V)
-VGS, GATE TO SOURCE VOLTAGE (V)
Figure 7. Transfer Characteristics
Figure 8. On-Resistance with Gate to Source Voltage
50
2.2
2
VDS = VGS
ID = -250mA
SINGLE PULSE
RqJA = 125C/W
TA = 25C
40
1.8
1.6
1.4
1.2
1
30
20
10
0
-50 -25
0
25 50 75 100 125 150 175
0.001
0.01
0.1
1
10
100
1000
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
0.2
RqJA(t) = r(t) + RqJA
RqJA = 125oC/W
0.1
0.05
P (pk)
0.02
0.01
t 1
t2
0.01
0.001
TJ - TA = P *RqJA(t)
Duty Cycle, D = t1 / t2
S INGLEP ULS E
0.001
0.0001
0.01
0.1
1
10
100
1000
t1, TIME (sec)
Figure 11. Transient Thermal Response Curve
6
Publication Order Number:
DS-AM4512_N
September, 2003 - Rev. A
PRELIMINARY
ANALOGPOWER [ ANALOG POWER ]
