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LT4351CMS Datasheet(PDF) 16 Page - Linear Technology

Part # LT4351CMS
Description  MOSFET Diode-OR Controller
PDF  20 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT4351CMS Datasheet(HTML) 16 Page - Linear Technology

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LT4351
16
sn4351 4351fs
Figure 15. 5V/5A Design Example
Layout Considerations
There are two considerations for board layout. The first is
that VIN and VDD bypass capacitors should be as close to
the part as possible. The GND pin should represent the
common tie point. The resistive dividers for UV and OV
should tie here as well.
APPLICATIO S I FOR ATIO
Take care that current flow to the load (both through VIN
and GND), does not inadvertently produce errors due to IR
drops in PCB traces.
Keep the traces to the MOSFETs wide and short and close
to the part. The PCB traces associated with the power path
through the MOSFETs should have low resistance.
GATE
OUT
VIN
UV
OV
1
µF
10
µF
MBR0530
MBR0530
R1
1.69k
1%
RB
25.5k
1%
VIN
5V
4.7
µH
LT4351
SW
VDD
STATUS
5
FAULT
GND
Si4838DY
3
7
6
4
2
110
9
8
RA
1.47k
1%
R2
24.9k
1%
1
Ω
0.1
µF
220
µF
10
µF
5V
2k
4351 F15
OUT
2k
10
µF



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