Datasheet

LTC3520
20
3520fa
APPLICATIONS INFORMATION
Figure 8. LTC3520 Recommended PCB Layout
3520 F08
BUCK V
OUT
R
BURST
KELVIN DIRECTLY
TO PIN 16
KELVIN DIRECTLY
TO PIN 16
C
SS2
C
SS1
BUCK-BOOST
V
OUT
R
T
UNINTERRUPTED GROUND PLANE MUST EXIST UNDER ALL COMPONENTS
SHOWN IN BOLD AND UNDER TRACES CONNECTING TO THOSE COMPONENTS.
VIA TO GROUND PLANE
SV
IN
A
OUT
A
IN
R
T
PWM1
SD1
SGND
SS1
V
C1
FB2
SS2
FB1
SGND
PV
IN3
PV
IN1
SW1A PGND1 SV1B V
OUT1
SD2 SD3
PV
IN2
SW2
PGND2
PWM2
24 23 22 21 20 19
7 8 9 10 11 12
6
5
4
3
2
1
13
14
15
16
17
18