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TPS54540 Datasheet(PDF) 7 Page - Texas Instruments

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Part # TPS54540
Description  4.5 V to 42 V Input, 5 A, 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

TPS54540 Datasheet(HTML) 7 Page - Texas Instruments

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±5.5
±5.3
±5.1
±4.9
±4.7
±4.5
±4.3
±4.1
±3.9
±3.7
±3.5
±50
±25
0
25
50
75
100
125
150
T
J - Junction Temperature (ƒC)
C035
V
IN = 12 V,
I
EN = Threshold + 50 mV
±2.5
±2.3
±2.1
±1.9
±1.7
±1.5
±1.3
±1.1
±0.9
±0.7
±0.5
±50
±25
0
25
50
75
100
125
150
T
J - Junction Temperature (ƒC)
Series2
C036
V
IN = 12V,
I
EN = Threshold ±50 mV
20
30
40
50
60
70
80
90
100
110
120
±50
±25
0
25
50
75
100
125
150
T
J - Junction Temperature (ƒC)
Series2
C033
V
IN = 12 V
1.15
1.16
1.17
1.18
1.19
1.2
1.21
1.22
1.23
1.24
1.25
1.26
1.27
1.28
1.29
1.3
±50
±25
0
25
50
75
100
125
150
T
J - Junction Temperature (ƒC)
Series2
C034
V
IN = 12 V
500
700
900
1100
1300
1500
1700
1900
2100
2300
2500
0
50
100
150
200
RT/CLK - Resistance (k )
C031
200
250
300
350
400
450
500
±50
±25
0
25
50
75
100
125
150
T
J - Junction Temperature (ƒC)
Series2
C032
V
IN = 12 V
TPS54540
www.ti.com
SLVSBX7 – MAY 2013
TYPICAL CHARACTERISTICS (continued)
SWITCHING FREQUENCY vs RT/CLK RESISTANCE
HIGH FREQUENCY RANGE
EA TRANSCONDUCTANCE vs JUNCTION TEMPERATURE
Figure 7.
Figure 8.
EA TRANSCONDUCTANCE DURING SOFT-START vs
JUNCTION TEMPERATURE
EN PIN VOLTAGE vs JUNCTION TEMPERATURE
Figure 9.
Figure 10.
EN PIN CURRENT vs JUNCTION TEMPERATURE
EN PIN CURRENT vs JUNCTION TEMPERATURE
Figure 11.
Figure 12.
Copyright © 2013, Texas Instruments Incorporated
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