Analog Power
AM4542C
Typical Electrical Characteristics (N-Channel)
0.02
0.019
0.018
0.017
0.016
0.015
0.014
0.013
0.012
0.011
0.01
Id=10A
100
10
1
TA = 125oC
0.1
25oC
0.01
0.001
0.0001
0
0.2
0.4
0.6
0.8
1
1.2
0
2
4
6
8
10
V
SD - Source-to-Drain Voltage (V)
VGS Gate to Source Voltage(V)
Source-Drain Diode Forward Voltage
On-Resistance vs. Gate-to-Source Voltage
50
40
30
20
10
0
SINGLE PULSE
RqJA = 125oC/W
TA = 25oC
4.7
4.5
4.3
4.1
3.9
3.7
3.5
3.3
3.1
2.9
ID = 250
A
µ
2.7
-50
-25
0
25
50
75
100
125
150
0.001
0.01
0.1
1
10
100
TJ - Temperature (oC)
t1, TIME (SEC)
Threshold Voltage
Figure 10. Single Pulse Maximum Power Dissipation
Normalized Thermal Transient Junction to Ambient
1
D = 0.5
0.2
0.1
RqJA(t) = r(t) + RqJA
RqJA = 125oC/W
0.1
0.0
P(pk)
0.02
0.01
t1
t2
0.01
TJ - TA = P * Rq J A(t)
SINGLE P ULSE
0.001
Duty Cycle, D = t1 / t2
0.001
0.0001
0.01
0.1
1
10
100
1000
t1, TIME (s ec)
Figure 11. Transient Thermal Response Curve
4
Publication Order Number:
DS-AM4542_D
PRELIMINARY
ANALOGPOWER [ ANALOG POWER ]
