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TPS54328DDAR Datasheet(PDF) 10 Page - Texas Instruments

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Part # TPS54328DDAR
Description  4.5V to 18V Input, 3-A Synchronous Step-Down SWIFT??Converter with Eco-Mode?
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS54328DDAR Datasheet(HTML) 10 Page - Texas Instruments

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EN = 10 V / div
SS = 5 V / div
V = 500 mV / div
O
Time = 2 msec / div
50
60
70
80
90
100
0
0.5
1.0
1.5
2.0
2.5
3.0
I
- Output Current - A
OUT
V = 5 V
IN
V = 12 V
IN
400
450
500
550
600
650
700
750
800
850
900
0
5
10
15
20
V - Input Voltage - V
IN
V = 1.05 V
O
V = 3.3 V
O
V = 1.8 V
O
0
20
40
60
80
100
0.001
0.01
0.1
1
10
I
- Output Current - A
OUT
V = 12 V
IN
V = 5 V
IN
V = 50 mV / div (-950 mV dc offset)
O
SW = 10 V / div
Time = 1 µsec / div
400
450
500
550
600
650
700
750
800
850
900
0
0.5
1
1.5
2
2.5
3
I - Output Current - A
O
V = 1.05 V
O
V = 3.3 V
O
V = 1.8 V
O
V = 12 V
IN
TPS54328
SLVSAN2 – NOVEMBER 2010
www.ti.com
TYPICAL CHARACTERISTICS (continued)
Figure 7. START-UP WAVE FORM
Figure 8. EFFICIENCY vs OUTPUT CURRENT
Figure 9. LIGHT LOAD EFFICIENCY vs OUTPUT CURRENT
Figure 10. SWITCHING FREQUENCY vs INPUT VOLTAGE
Figure 11. SWITCHING FREQUENCY vs OUTPUT
Figure 12. VOLTAGE RIPPLE AT OUTPUT (IO = 3 A)
CURRENT
10
Copyright © 2010, Texas Instruments Incorporated
Product Folder Link(s) :TPS54328


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