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TPS54386PWPR Datasheet(PDF) 44 Page - Texas Instruments

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Part # TPS54386PWPR
Description  3-A DUAL NON-SYNCHRONOUS CONVERTER WITH INTEGRATED HIGH-SIDE MOSFET
PDF  52 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS54386PWPR Datasheet(HTML) 44 Page - Texas Instruments

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Example 3: 5-V to 3.3V and 5-V to 1.2 V
1 k
10 k
100 k
300 k
-180
-90
-45
45
90
-135
0
180
135
f - Frequency -Hz
-80
-20
0
60
80
-60
20
-40
40
V
OUT
= 1.2 V
Gain
Phase
WIth Lead
Without Lead
10
40
70
0
90
100
50
30
20
60
80
0
0.5
1.0
1.5
2.0
2.5
3.0
I
OUT
- Load Current - A
V
OUT
= 1.2 V
V
OUT
= 3.3 V
V
IN
= 5 V
V
OUT
(V)
1.2
3.3
TPS54383,, TPS54386
SLUS774B – AUGUST 2007 – REVISED OCTOBER 2007
For a low input voltage application, the TPS54386 is selected for reduced size and all ceramic output capacitors
are used. 22-
µF input capacitors are selected to reduce input ripple and lead capacitors are placed in the
feedback to boost phase margin.
Figure 50. 5-V to 3.3V and 5-V to 1.2 V
Figure 51. Efficiency vs. Load Current
Figure 52. Example 3 Loop Response
44
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Copyright © 2007, Texas Instruments Incorporated
Product Folder Link(s): TPS54383 TPS54386



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