LTC3649
TYPICAL APPLICATIONS
Wide Input Signal Range Audio Driver
0.1µF
V
IN
SPEAKER
V
BOOST
SW
IN
24V
10µF
10µF
4.7µH
10µF
10µF
RUN
MODE/SYNC
V
OUT
10µF
0.1µF
LTC3649
PGDFB
PGOOD
PGND
V
INREG
44µF
INTV
CC
EXTV
ISET
IMON
10k
ITH
R
SGND
CC
T
MKP TYPE
10nF
2.2µF
240k
10nF
1.5k
200k
SIGNAL
10nF
5nF
1.5nF
LINE LEVEL
RECOMMENDED
3649 TA04
Cable Drop Compensation
0.1µF
V
IN
V
BOOST
SW
IN
5.5V to 60V
3.3µH
50mΩ
V
OUT
5V AT 0A
5V AT 4A
10µF
10µF
RUN
V
OUT
MODE/SYNC
LTC3649
EXTV
100µF
CC
R
LOAD
V
PGDFB
PGOOD
PGND
INREG
50mΩ
INTV
CC
ISET IMON
ITH
R
SGND
T
CABLE
RESISTANCE
R
T
1nF
3.9pF
100k
2.2µF
0.1µF
95.3k
4.02k
10pF
2k
R
ISET
= 100k
3649 TA05
3649fb
22
For more information www.linear.com/LTC3649