LTC3115-2_15 Datasheet, PDF (31/42 Pages) Linear Technology – 40V, 2A Synchronous Buck-Boost DC/DC Converter

Applications Information
OPTIONAL SCHOTTKY DIODE
LTC3115-2
VIA TO GROUND PLANE
(AND TO INNER LAYER
WHERE SHOWN)
V_OUT
R_T
KELVIN
TO V_OUT
[1]
RUN
[16]
PWM/
SYNC
[2]
[17]
[15]
SW2
PGND
SW1
[3]
[14]
PV_OUT
PV_IN
[4]
GND
KELVIN
BACK TO
GND PIN
[5]
GND
[13]
BST1
[12]
BST2
R_BOT
R_TOP
[6]
[11]
VC
PV_CC
[7]
[10]
FB
V_IN
[8]
[9]
RT
V_CC
UNINTERRUPTED GROUND PLANE SHOULD EXIST UNDER ALL COMPONENTS SHOWN IN
BOLD AND UNDER TRACES CONNECTING TO THOSE COMPONENTS
Figure 17. PCB Layout Recommended for the DHD Package
C_BST1
C_BST2
V_IN
INNER PCB
LAYER ROUTES
31152 F17
For more information www.linear.com/LTC3115-2
31152fa
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