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TPS54140A Datasheet(PDF) 10 Page - Texas Instruments

Part # TPS54140A
Description  TPS54140A 1.5-A, 42-V Step-Down DC/DC Converter with Eco-mode?
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS54140A Datasheet(HTML) 10 Page - Texas Instruments

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90
100
110
120
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140
-50
-25
0
25
50
75
100
125
150
T -JunctionTemperature-°C
J
V =12V,
V
=0.83V
I
I(VSENSE)
90
100
110
120
130
140
0
20
40
V -InputVoltage-V
I
T =25 C,
V
=0.83V
J
I(VSENSE)
o
0
0.5
1
1.5
2
0
10
20
30
40
V -InputVoltage-V
I
T =25°C
J
0
0.5
1
1.5
2
-50
-25
0
25
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125
150
T -JunctionTemperature-°C
J
V =12V
I
0
20
40
60
80
100
0
0.2
0.4
0.6
0.8
V
-V
SENSE
V =12V,
T =25°C
I
J
100
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-50
-25
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T -JunctionTemperature-°C
J
V =12V
I
TPS54140A
SLVSB55C – MAY 2012 – REVISED OCTOBER 2015
www.ti.com
Typical Characteristics (continued)
Figure 13. SS/TR Discharge Current vs Junction
Figure 14. Switching Frequency vs VSENSE
Temperature
Figure 15. Shutdown Supply Current vs Junction
Figure 16. Shutdown Supply Current vs Input Voltage (Vin)
Temperature
Figure 18. VIN Supply Current vs Input Voltage
Figure 17. VIN Supply Current vs Junction Temperature
10
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