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LT8611
21
8611fa
For more information www.linear.com/LT8611
TYPICAL APPLICATIONS
Digitally Controlled Current/Voltage Source
CCCV Battery Charger
–3.3V Negative Converter with 1A Output Current Limit
BSTV
IN
EN/UVON OFF
SYNC
IMON
ICTRL
ADC
µC
DAC
INTV
CC
TR/SS
RT
SW
LT8611
GND
ISP
BIAS
ISN
PG
8611 TA05
FB
0.1µF
V
OUT
3.3V
2A
1µF
4.7pF
47µF
4.7µF
V
IN
3.8V TO 42V
1µF
4.7µH
0.025Ω
1M
412k
60.4k
f
SW
= 700kHz
PGND
BSTV
IN
EN/UVON OFF
SYNC
IMON
ICTRL
INTV
CC
TR/SS
RT
SW
LT8611
GND
ISP
ISN
BIAS
PG
8611 TA06
FB
0.1µF
V
OUT
4.1V
1A
1µF
10pF
Li-Ion
BATTERY
47µF
4.7µF
D1
V
IN
3.8V TO 42V
1µF
0.1µF
4.7µH
0.050Ω
324k
100k
60.4k
f
SW
= 700kHz
PGND
+
BSTV
IN
EN/UV
SYNC
IMON
60.4k
0.1µF
ICTRL
INTV
CC
TR/SS
RT
SW
LT8611
GND
ISP
ISN
BIAS
PG
8611 TA07
FB
0.1µF
1µF
V
OUT
–3.3V
1A
10pF
47µF
4.7µF
V
IN
3.8V TO 38V
1µF
0.1µF
4.7µH
1M
0.05Ω
412k
60.4k
f = 700kHz
PGND
4.7µF
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