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TPS54521 Datasheet(PDF) 29 Page - Texas Instruments

Part # TPS54521
Description  4.5V to 17V Input, 5A Synchronous Step Down Converter
PDF  41 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

TPS54521 Datasheet(HTML) 29 Page - Texas Instruments

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background image
25
50
75
100
125
0
0.5
1
1.5
2
2.5
3
Pic - IC Power Dissipation - W
T = room temp
A
3.5
25
50
75
100
125
0
0.5
1
1.5
2
2.5
3.5
Pic - IC Power Dissipation - W
3
T = room temperature,
no air flow
A
0.000001
0.00001
0.0001
0.001
0.01
0.1
1
10
0.001
0.01
0.1
1
10
Track In Voltage - V
0.000001
0.00001
0.0001
0.001
0.01
0.1
1
10
Ideal Vsense
Vout
Vsense
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
0
1
1.5
2
2.5
3
3.5
4
4.5
Output Current - A
0.5
5
Vin = 8 V
Vin = 10 V
Vin = 12 V
Vin = 15 V
Vin = 17 V
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
8
9
10
11
12
13
14
15
16
17
Input Voltage - V
Iout = 2.5 A
Iout = 5 A
Iout = 0 A
-60
-50
-40
-30
-20
-10
0
10
20
30
40
50
60
Frequency - Hz
-180
-150
-120
-90
-60
-30
0
30
60
90
120
150
180
Vin = 12 V
Load = 5 A
Phase
Gain
TPS54521
www.ti.com
SLVS981C – JUNE 2010 – REVISED AUGUST 2013
CLOSED LOOP RESPONSE
LINE REGULATION
Figure 47.
Figure 48.
LOAD REGULATION
TRACKING PERFORMANCE
Figure 49.
Figure 50.
MAXIMUM AMBIENT TEMPERATURE
JUNCTION TEMPERATURE
vs
vs
IC POWER DISSIPATION
IC POWER DISSIPATION
Figure 51.
Figure 52.
Copyright © 2010–2013, Texas Instruments Incorporated
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Product Folder Links :TPS54521



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