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| LTC3727A-1 Datasheet, PDF (27/32 Pages) Linear Technology – High Efficiency, 2-Phase Synchronous Step-Down Switching Regulators | |||
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APPLICATIO S I FOR ATIO
LTC3727A-1
1
RUN/SS1
28
PGOOD
2 SENSE1+
27
TG1
R2
R1
3 SENSE1â
4
VOSENSE1
5
PLLFLTR
fIN
6
PLLIN
26
SW1
25
BOOST1
24
VIN
23
BG1
INTVCC
7
FCB
22
EXTVCC
8
LTC3727A-1
21
ITH1
INTVCC
9
SGND
20
PGND
10
3.3V
3.3VOUT
19
BG2
11
ITH2
18
BOOST2
R3
R4
12
VOSENSE2
13 SENSE2â
17
SW2
16
TG2
14 SENSE2+
15
RUN/SS2
RPU
VPULL-UP
(<7V)
PGOOD
L1
RSENSE
CB1
M1
M2
D1
VOUT1
COUT1
RIN
CIN
CVIN
VIN
CINTVCC
COUT2
D2
CB2
M3
M4
RSENSE
L2
GND
VOUT2
3727 F10
Figure 10. LTC3727A-1 Recommended Printed Circuit Layout Diagram
3727a1f
27
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