ltm8042 Linear Technology Corporation, ltm8042 Datasheet - Page 19

• Manufacturer Part Number: ltm8042
• Description: Ltm8042/ltm8042-1 - ?module Boost Led Driver And Current Source
• Manufacturer: Linear Technology Corporation

APPLICATIONS INFORMATION
THERMAL VIAS TO GROUND PLANE
THERMAL VIAS TO GROUND PLANE
GND
TO LED STRING
GND
C
V
VCC
IN
Figure 4. Suggested Layout for Buck-Boost Mode
C
VCC
Figure 3. Suggested Layout for Buck Mode
V
V
V
IN
CC
CC
BSTIN/BKLED
C
BSTIN/BKLED
OUT1
–
C
–
IN
GND
C
TO LED STRING
C
C
OUT2
OUT
IN
BSTOUT/BKIN
BSTOUT/BKIN
R
R
V
T
IN
T
TG
TG
TO LED STRING
LED
LED
LED
LED
LTM8042/LTM8042-1
+
+
+
+
80421 F04
80421 F03
TGEN
CTL
TGEN
CTL
19
80421fa