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TPS54340QDDAQ1 Fiches technique(PDF) 8 Page - Texas Instruments

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No de pièce TPS54340QDDAQ1
Description  4.5-V to 42-V Input, 3.5-A, Step-Down DC-DC Converter with Eco-mode
Download  43 Pages
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

TPS54340QDDAQ1 Fiches technique(HTML) 8 Page - Texas Instruments

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70
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0
VIN − Input Voltage (V)
TJ = 25°C
G018
5
15
20
25
30
40
35
45
10
70
90
110
130
150
170
190
210
−50
−25
0
25
50
75
100
125
150
TJ − Junction Temperature (°C)
VIN = 12 V
G016
0
0.5
1
1.5
2
2.5
3
0
VIN − Input Voltage (V)
G016
TJ = 25°C
5
15
20
25
30
40
35
45
10
0
0.5
1
1.5
2
2.5
3
−50
−25
0
25
50
75
100
125
150
TJ − Junction Temperature (°C)
VIN = 12 V
G014
−4.5
−4.3
−4.1
−3.9
−3.7
−3.5
−3.3
−3.1
−2.9
−2.7
−2.5
−50
−25
0
25
50
75
100
125
150
TJ − Junction Temperature (°C)
VIN = 12 V
G112
0
25
50
75
100
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
VFB (V)
VFB Falling
VFB Rising
G013
TPS54340-Q1
SLVSBZ1 – SEPTEMBER 2013
www.ti.com
TYPICAL CHARACTERISTICS (continued)
EN PIN CURRENT HYSTERESIS vs JUNCTION
TEMPERATURE
SWITCHING FREQUENCY vs FB
Figure 13.
Figure 14.
SHUTDOWN SUPPLY CURRENT vs JUNCTION
TEMPERATURE
SHUTDOWN SUPPLY CURRENT vs INPUT VOLTAGE (VIN)
Figure 15.
Figure 16.
VIN SUPPLY CURRENT vs JUNCTION TEMPERATURE
VIN SUPPLY CURRENT vs INPUT VOLTAGE
Figure 17.
Figure 18.
8
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