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TPS54340BQDDARQ1 Datasheet(PDF) 8 Page - Texas Instruments

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Part # TPS54340BQDDARQ1
Description  4.5-V to 42-V Input, 3.5-A, Step-Down DC-DC Converter With Eco-Mode
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS54340BQDDARQ1 Datasheet(HTML) 8 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
8
TPS54340B-Q1
SLVSDX5 – FEBRUARY 2017
www.ti.com
Product Folder Links: TPS54340B-Q1
Submit Documentation Feedback
Copyright © 2017, Texas Instruments Incorporated
Typical Characteristics (continued)
Figure 7. Switching Frequency vs RT/CLK Resistance
High-Frequency Range
Figure 8. EA Transconductance vs Junction Temperature
Figure 9. EA Transconductance During Soft Start vs
Junction Temperature
Figure 10. EN Pin Voltage vs Junction Temperature
Figure 11. EN Pin Current vs Junction Temperature
Figure 12. EN Pin Current vs Junction Temperature


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