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TPS54340DDA Datasheet(PDF) 7 Page - Texas Instruments

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Part # TPS54340DDA
Description  42 V Input, 3.5 A, Step Down DC-DC Converter with Eco-mode
Download  43 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS54340DDA Datasheet(HTML) 7 Page - Texas Instruments

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−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
TJ − Junction Temperature (°C)
VIN = 5 V, IEN = Threshold+50mV
G011
−5
−4.9
−4.8
−4.7
−4.6
−4.5
−4.4
−4.3
−4.2
−4.1
−4
−50
−25
0
25
50
75
100
125
150
Tj − Junction Temperature (°C)
VIN = 12 V, IEN = Threshold+50mV
G012
20
30
40
50
60
70
80
90
100
110
120
−50
−25
0
25
50
75
100
125
150
TJ − Junction Temperature (°C)
VIN = 12 V
G009
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
TJ − Junction Temperature (°C)
VIN = 12 V
G010
0
500
1000
1500
2000
2500
0
50
100
150
200
RT/CLK − Resistance (k
Ω)
G007
200
250
300
350
400
450
500
−50
−25
0
25
50
75
100
125
150
TJ − Junction Temperature (°C)
VIN = 12 V
G008
TPS54340
www.ti.com
SLVSBK0A – OCTOBER 2012 – REVISED FEBRUARY 2013
TYPICAL CHARACTERISTICS (continued)
SWITCHING FREQUENCY vs RT/CLK RESISTANCE
LOW 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 © 2012–2013, Texas Instruments Incorporated
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