TPS54160-Q1 Datasheet, PDF (10/53 Pages) Texas Instruments – 1.5-A 60-V STEP-DOWN SWIFT DC/DC CONVERTER WITH Eco-Mode CONTROL

TPS54160-Q1
SLVS922E – JULY 2009 – REVISED MARCH 2011
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TYPICAL CHARACTERISTICS (continued)
SS/TR DISCHARGE CURRENT vs JUNCTION
TEMPERATURE
SWITCHING FREQUENCY vs VSENSE
120
V_I = 12 V
115
100
V_I = 12 V,
T_J = 25°C
80
60
110
40
105
20
100
-50
-25
0
25
50
75
100 125 150
T_J - Junction Temperature - °C
Figure 13.
SHUTDOWN SUPPLY CURRENT vs JUNCTION
TEMPERATURE
2
V_I = 12 V
1.5
0
0
0.2
0.4
0.6
0.8
V_SENSE - V
Figure 14.
SHUTDOWN SUPPLY CURRENT vs INPUT VOLTAGE (V_in)
2
T_J = 25°C
1.5
1
1
0.5
0
-50 -25
0
25
50
75 100 125 150
T_J - Junction Temperature - °C
Figure 15.
VIN SUPPLY CURRENT vs JUNCTION TEMPERATURE
140
V_I = 12 V,
V_I(VSENSE) = 0.83 V
130
120
110
100
90
-50 -25
0
25
50
75 100 125 150
T_J - Junction Temperature - °C
Figure 17.
0.5
0
0
10
20
30
40
50
60
V_I - Input Voltage - V
Figure 16.
VIN SUPPLY CURRENT vs INPUT VOLTAGE
140
T_J = 25^oC,
V_I(VSENSE) = 0.83 V
130
120
110
100
90
0
20
40
60
V_I - Input Voltage - V
Figure 18.
10
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