TPS54560
SLVSBN0 –MARCH 2013
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TYPICAL CHARACTERISTICS (continued)
EN PIN CURRENT HYSTERESIS vs JUNCTION
TEMPERATURE
SWITCHING FREQUENCY vs VSENSE
œ2.5
œ2.7
œ2.9
œ3.1
œ3.3
œ3.5
œ3.7
œ3.9
œ4.1
œ4.3
œ4.5
100
75
50
25
0
VSSENeSrEieFsa2lling
V
Rising
SSENeSrEies4
V
= 12 V
SIeNries2
œ50
œ25
0
25
50
75
100
125
150
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
C037
C038
TJ - Junction Temperature (°C)
VSENSE (V)
Figure 13.
Figure 14.
SHUTDOWN SUPPLY CURRENT vs JUNCTION
TEMPERATURE
SHUTDOWN SUPPLY CURRENT vs INPUT VOLTAGE (VIN
)
3
2.5
2
3
TJS=er2ie5s2°C
VISN e=ri1e2s1V
2.5
2
1.5
1
1.5
1
0.5
0
0.5
0
œ50
œ25
0
25
50
75
100
125
150
0
10
20
30
40
50
60
C039
C040
TJ - Junction Temperature (°C)
VIN - Input Voltage (V)
Figure 15.
Figure 16.
VIN SUPPLY CURRENT vs JUNCTION TEMPERATURE
VIN SUPPLY CURRENT vs INPUT VOLTAGE
210
190
170
150
130
110
90
210
190
170
150
130
110
90
TJS=er2ie5s°2C
V
= 12 V
Series2
IN
70
70
œ50
œ25
0
25
50
75
100
125
150
0
10
20
30
40
50
60
C041
C042
TJ - Junction Temperature (°C)
VIN - Input Voltage (V)
Figure 17.
Figure 18.
8
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