TPS54383, TPS54386
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SLUS774B–AUGUST 2007–REVISED OCTOBER 2007
TYPICAL CHARACTERISTICS (continued)
FEEDBACK VOLTAGE
vs
JUNCTION TEMPERATURE
OVERCURRENT LIMIT (CH1, CH2 HIGH LEVEL)
vs
JUNCTION TEMPERATURE
4.8
4.6
4.4
4.2
4.0
808
803
V
PVDD = 24 V
VPVDD = 12 V
798
793
V
PVDD = 5 V
788
-50
-25
0
25
50
75
100
125
-50
-25
0
25
50
75
100
125
TJ - Junction Temperature - °C
TJ - Junction Temperature - °C
Figure 9.
Figure 10.
OVERCURRENT LIMIT (CH2 MID LEVEL)
OVERCURRENT LIMIT (CH2 LOW LEVEL)
vs
vs
JUNCTION TEMPERATURE
JUNCTION TEMPERATURE
3.4
3.2
3.0
1.8
V
PVDDx = 24 V
V
PVDDx = 24 V
1.6
1.4
2.8
V
PVDDx = 12 V
VPVDDx = 12 V
VPVDDx = 5 V
V
PVDDx = 5 V
2.6
-50
1.2
-50
-25
0
25
50
75
100
125
-25
0
25
50 75
100
125
TJ - Junction Temperature - °C
TJ - Junction Temperature - °C
Figure 11.
Figure 12.
Copyright © 2007, Texas Instruments Incorporated
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