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TPS54531 Datasheet(PDF) 6 Page - Texas Instruments

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Part # TPS54531
Description  5A, 28V INPUT, STEP DOWN SWIFT??DC/DC CONVERTER WITH ECO-mode?
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS54531 Datasheet(HTML) 6 Page - Texas Instruments

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T - Junction Temperature - °C
J
2
2.1
–50
–25
0
25
50
75
100
125
1.9
150
V
= 12 V
IN
5
6
7
8
9
10
11
12
3
8
13
18
23
28
Input Voltage (V)
T =
±40ƒC
T = 25
ƒC
T = 150
ƒC
C014
T
J
T
J
T
J
T - Junction Temperature - °C
J
110
120
130
140
–50
–25
0
25
50
75
100
125
100
150
V
= 12 V
IN
T - Junction Temperature - °C
J
5.0
5.5
6.0
7.0
7.5
–50
–25
0
25
50
75
100
125
6.5
V
= 12 V
IN
150
T - Junction Temperature - °C
J
0.788
0.800
0.812
0.824
–50
–25
0
25
50
75
100
125
0.776
150
V
= 12 V
IN
0.782
0.794
0.806
0.818
T - Junction Temperature - °C
J
80
90
100
110
120
–50
–25
0
25
50
75
100
125
70
60
150
V
= 12 V
IN
T - Junction Temperature - °C
J
560
570
580
590
–50
–25
0
25
50
75
100
125
550
150
V
= 12 V
IN
V
- Input Voltage - V
IN
0
1
2
3
4
3
8
13
18
23
28
EN = 0V
T = 150°C
J
T = 40°C
J
T = 25°C
J
TPS54531
SLVSBI5 – MAY 2013
www.ti.com
CHARACTERIZATION CURVES
ON RESISTANCE
SHUTDOWN QUIESCENT CURRENT
SWITCHING FREQUENCY
vs
vs
vs
JUNCTION TEMPERATURE
INPUT VOLTAGE
JUNCTION TEMPERATURE
Figure 1.
Figure 2.
Figure 3.
MINIMUM CONTROLLABLE DUTY
VOLTAGE REFERENCE
MINIMUM CONTROLLABLE ON TIME
RATIO
vs
vs
vs
JUNCTION TEMPERATURE
JUNCTION TEMPERATURE
JUNCTION TEMPERATURE
Figure 4.
Figure 5.
Figure 6.
SS CHARGE CURRENT
CURRENT LIMIT THRESHOLD
vs
vs
JUNCTION TEMPERATURE
INPUT VOLTAGE
Figure 7.
Figure 8.
6
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