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LTC1735IGN 데이터시트(PDF) 27 Page - Linear Technology

부품명 LTC1735IGN
상세설명  High Efficiency Synchronous Step-Down Switching Regulator
PDF  32 Pages
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제조업체  LINER [Linear Technology]
홈페이지  http://www.linear.com
Logo LINER - Linear Technology

LTC1735IGN 데이터시트(HTML) 27 Page - Linear Technology

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LTC1735
1735fc
APPLICATIO S I FOR ATIO
Figure 12. LTC1735 Layout Diagram
Figure 13. Kelvin Sensing RSENSE
the INTVCC and PGND pins can help improve noise
performance.
6) Keep the switching node (SW), top gate node (TG) and
boost node (BOOST) away from sensitive small-signal
nodes, especially from the voltage and current sensing
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
COSC
RUN/SS
ITH
FCB
SGND
VOSENSE
SENSE–
SENSE+
TG
BOOST
SW
VIN
INTVCC
BG
PGND
EXTVCC
LTC1735
CSS
CC2
CC
RC
47pF
1000pF
COUT
COSC
R1
R2
CB
DB
RSENSE
D1
M2
+
4.7
µF
M1
CIN
+
–
L1
VIN
–
+
VOUT
1735 F12
SENSE + SENSE –
HIGH CURRENT PATH
1735 F13
CURRENT SENSE
RESISTOR
(RSENSE)
feedback pins. All of these nodes have very large and fast
moving signals and therefore should be kept on the
“output side” (Pin 9 to Pin 16) of the LTC1735 and occupy
minimum PC trace area.



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