ltc1871ems-trpbf Linear Technology Corporation, ltc1871ems-trpbf Datasheet - Page 23

• Manufacturer Part Number: ltc1871ems-trpbf
• Description: Wide Input Range, No Rsense Current Mode Boost, Flyback And Sepic Controller
• Manufacturer: Linear Technology Corporation

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