Datasheet

LTC3633A/LTC3633A-1
25
3633a1f
TYPICAL APPLICATIONS
1.2V/1.8V Buck Regulator with Coincident Tracking and 6V Input UVLO
RUN1
RUN2
RT
LTC3633A
BOOST2
3633a TA04
0.1µF
L2
0.47µH
R4
10k
R3
10k
SW2
V
ON2
V
IN2
V
IN1
V
FB2
BOOST1
SW1
V
ON1
V
FB1
C
OUT2
68µF
V
OUT2
1.2V AT 3A
0.1µF
L1
0.68µH
R6
4.99k
R1
10k
C
OUT1
47µF
V
OUT1
1.8V AT 3A
V
IN
6V TO 20V
C1
47µF
×2
R5
196k
R7
154k
R8
40k
TRACKSS2
R2
15k
MODE/SYNC
ITH1
ITH2
INTV
CC
C2
2.2µF
V2P5
PHMODE
PGNDSGND
V
IN1
V
IN2
INTV
CC
LTC3633A
ITH2
ITH1
MODE/SYNC
3633a TA06
RT
V
ON1
V
ON2
V
FB1
V
FB2
29.4k
H
V
IN
3.6V TO 20V
C1
22µF
×2
C2
2.2µF
RUN1
RUN2
V2P5
PHMODE
BOOST1
SW1
0.1µF
BOOST2
SW2
0.1µF
PGNDSGND
H
C
OUT
47µF
×2
19.6k
V
OUT
1.5V AT 6A
6.04k
1nF
324k
1.5V 1MHz Dual Phase Buck Regulator