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TPS54140QDRCRQ1 Datasheet(PDF) 7 Page - Texas Instruments

Part # TPS54140QDRCRQ1
Description  1.5-A 42-V STEP-DOWN SWIFT??DC/DC CONVERTER WITH Eco-mode??CONTROL
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS54140QDRCRQ1 Datasheet(HTML) 7 Page - Texas Instruments

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0
500
1000
1500
2000
2500
0
25
50
75
100
125
150
175
200
RT/CLK-Resistance-kW
V =12V,
T =25°C
I
J
0
200
400
600
800
1000
100
200
300
400
500
600
700
800
900
1000
RT/CLK-Resistance-kW
V =12V,
T =25°C
I
J
2
2.5
3
3.5
-50
-25
0
25
50
75
100
125
150
T -JunctionTemperature-°C
J
V =12V
I
550
570
580
590
600
610
-50
-25
0
25
50
75
100
125
150
560
T -JunctionTemperature-°C
J
V =12V,
RT =200k
I
W
0
125
250
375
500
-50
-25
0
25
50
75
100
125
150
T -JunctionTemperature-°C
J
BOOT-PH=3V
BOOT-PH=6V
V =12V
I
0.784
0.792
0.800
0.808
0.816
-50
-25
0
25
50
75
100
125
150
T -JunctionTemperature-°C
J
V =12V
I
TPS54140-Q1
www.ti.com
SLVSA24C – OCTOBER 2009 – REVISED AUGUST 2012
TYPICAL CHARACTERISTICS
ON RESISTANCE vs JUNCTION TEMPERATURE
VOLTAGE REFERENCE vs JUNCTION TEMPERATURE
Figure 1.
Figure 2.
SWITCH CURRENT LIMIT vs JUNCTION TEMPERATURE
SWITCHING FREQUENCY vs JUNCTION TEMPERATURE
Figure 3.
Figure 4.
SWITCHING FREQUENCY vs RT/CLK RESISTANCE HIGH
SWITCHING FREQUENCY vs RT/CLK RESISTANCE LOW
FREQUENCY RANGE
FREQUENCY RANGE
Figure 5.
Figure 6.
Copyright © 2009–2012, Texas Instruments Incorporated
7


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