Datasheet

LTC1871
23
1871fe
APPLICATIONS INFORMATION
Figure 14. LTC1871 Boost Converter Suggested Layout
Figure 15. LTC1871 Boost Converter Layout Diagram
LTC1871
M1
V
IN
1871 F14
V
OUT
SWITCH NODE IS ALSO
THE HEAT SPREADER
FOR L1, M1, D1
L1
R
T
R
C
C
C
R3
J1
C
IN
C
OUT
C
VCC
R1
R2
PSEUDO-KELVIN
SIGNAL GROUND
CONNECTION
TRUE REMOTE
OUTPUT SENSING
VIAS TO GROUND
PLANE
R4
PIN 1
C
OUT
BULK C LOW ESR CERAMIC
JUMPER
D1
RUN
I
TH
FB
FREQ
MODE/
SYNC
SENSE
V
IN
INTV
CC
GATE
GND
LTC1871
+
R4
J1
10
9
8
7
6
1
2
3
4
5
C
VCC
PSEUDO-KELVIN
GROUND CONNECTION
C
IN
M1
D1
L1
V
IN
GND
1871 F15
V
OUT
SWITCH
NODE
C
OUT
R
C
R1
R
T
BOLD LINES INDICATE HIGH CURRENT PATHS
R2
C
C
R3
+