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TPS54617RUV Fiches technique(PDF) 8 Page - Texas Instruments

No de pièce TPS54617RUV
Description  3-V TO 6-V INPUT, 6-A, SMALL SYNCHRONOUS-BUCK SWITCHER WITH INTEGRATED FETs (SWIFT??
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

TPS54617RUV Fiches technique(HTML) 8 Page - Texas Instruments

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APPLICATION INFORMATION
R7590 W
R110.0kW
R2
10.0kW
R6
4.99kW
C7
2700pF
C51200pF
C6
0.047 F
m
R4
10.0kW
C3
100 F
m
C4
100 F
m
C11
0.01 F
m
R5
27.4kW
C8
0.047 F
m
C9
0.01 F
m
R8
10.0kW
C1
22 F
m
C2
22 F
m
C12
0.01 F
m
VIN=3
6V
-
VOUT=1.8V,6 A MAX
L1
0.82 H
m
C10
150pF
TP4
U1
TPS5461RUV
COMPONENT SELECTION
INPUT FILTER
TPS54617
SLVS880 – NOVEMBER 2008 ........................................................................................................................................................................................... www.ti.com
Figure 10 shows the schematic diagram for a typical TPS54617 application. The TPS54617 (U1) can provide up
to 6A of output current at a nominal output voltage of 1.8 V. For proper thermal performance, the exposed
thermal PowerPAD underneath the integrated circuit, TPS54617, package must be soldered to the printed-circuit
board.
Analog and power grounds are ties at the pad under the package of the IC
Figure 10. Application Circuit
The values for the components used in this design
The input voltage is a nominal 3.3 or 5 VDC. The
example were selected for best
load
transient
input filter capacitors (C1 and C2) are 10-µF ceramic
response and small PCB area. Additional design
capacitors (MuRata). C12 is a 0.01-µF ceramic
information is available at www.ti.com.
capacitor that provides high-frequency decoupling of
the TPS54617 from the input supply. C1, C2 and C12
must be located as close as possible to the device.
Input ripple current is shared among C1, C2 and C12.
8
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Copyright © 2008, Texas Instruments Incorporated
Product Folder Link(s) :TPS54617


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