Datasheet

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788
793
798
803
808
-50 -25 0 25 50 75 100 125
T JunctionTemperature C°
J
- -
V
F
eedbackVoltage mV
FB
- -
2.6
2.8
3.0
3.2
3.4
-50 -25 0 25 50
75
100 125
T JunctionTemperature C°
J
- -
V
PVDDx
24V=
V
PVDDx
12V=
V
PVDDx
5V=
I OvercurrentLimit A
CL
-
-
1.2
1.4
1.6
1.8
-50 -25 0 25 50 75 100 125
T JunctionTemperature C°
J
- -
V
PVDDx
= 24V
V
PVDDx
= 12V
V
PVDDx
= 5V
I OvercurrentLimit A
CL
-
-
-50 -25 0 25 50 75 100 125
T
J
- Junction Temperature - °C
I
SW(off)
- Switching Node Leakage Current - mA
2
3
1
4
5
TPS54283 , , TPS54286
SLUS749C – JULY 2007 – REVISED OCTOBER 2007
TYPICAL CHARACTERISTICS (continued)
FEEDBACK VOLTAGE OVERCURRENT LIMIT (CH1, CH2 HIGH LEVEL)
vs vs
JUNCTION TEMPERATURE JUNCTION TEMPERATURE
Figure 9. Figure 10.
OVERCURRENT LIMIT (CH2 LOW LEVEL) SWITCHING NODE LEAKAGE CURRENT
vs vs
JUNCTION TEMPERATURE JUNCTION TEMPERATURE
Figure 11. Figure 12.
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