Linear Technology LT8611, Руководство пользователя

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LT8611
20
8611fa
For more information www.linear.com/LT8611
TYPICAL APPLICATIONS
5V Step-Down with 1A Output Current Limit
3.3V Step-Down with 1A Input Current Limit and 7V V
IN
Undervoltage Lockout
3.3V Step-Down with 1A Input Current Limit
BST V
IN
EN/UV ON OFF
SYNC
IMON
ICTRL
INTV
CC
TR/SS
RT
SW
LT8611
GND
PGND
ISP
ISN
BIAS
PG
8611 TA02
FB
0.1µF
V
OUT
5V
1A 1µF
47µF
4.7µF
V
IN
5.5V TO 42V
0.1µF
1µF
10pF
4.7µH
0.050Ω
1M
243k 52.3k
f
SW
= 800kHz
BST V
IN
EN/UV ON OFF
SYNC
IMON
ICTRL
INTV
CC
TR/SS
RT
SW
LT8611
ISN ISP
PGND GND
PG
BIAS
8611 TA03
FB
0.10µF
V
OUT
3.3V
47µF
4.7µF
1µF
V
IN
3.8V TO 42V
0.1µF
1µF
4.7µH
1M
0.050Ω
412k 41.2k
f
SW
= 1MHz
4.7pF
BST V
IN
EN/UV
SYNC
IMON
ICTRL
INTV
CC
TR/SS
RT
SW
LT8611
ISN ISP
PGND GND
PG
BIAS
8611 TA04
FB
0.1µF
V
OUT
3.3V
47µF
4.7µF
604k
100k
1µF
V
IN
3.8V TO 42V
0.1µF
1µF
4.7µH
1M
0.050Ω
412k 60.4k
f
SW
= 700kHz
4.7pF