LTC3520 Linear Technology, LTC3520 Datasheet - Page 20

• Manufacturer Part Number: LTC3520
• Description: Synchronous 1A Buck-Boost and 600mA Buck Converters
• Manufacturer: Linear Technology

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LTC3520
APPLICATIONS INFORMATION
20
SGND
UNINTERRUPTED GROUND PLANE MUST EXIST UNDER ALL COMPONENTS
SHOWN IN BOLD AND UNDER TRACES CONNECTING TO THOSE COMPONENTS.
VIA TO GROUND PLANE
R
T
PWM1
A
SV
SD1
Figure 8. LTC3520 Recommended PCB Layout
OUT
A
R
IN
IN
T
1
2
3
4
5
6
24 23 22 21 20 19
7
8
9 10 11 12
18
17
16
15
14
13
FB1
SS1
SGND
V
FB2
SS2
R
C1
BURST
C
C
SS2
SS1
3520 F08
KELVIN DIRECTLY
TO PIN 16
KELVIN DIRECTLY
TO PIN 16
BUCK-BOOST
V
BUCK V
OUT
OUT
3520f