LTC3633A Datasheet, PDF (25/28 Pages) Linear Technology – Dual Channel 3A, 20V Monolithic Synchronous Step-Down Regulator

LTC3633A/LTC3633A-1
TYPICAL APPLICATIONS
1.2V/1.8V Buck Regulator with Coincident Tracking and 6V Input UVLO
V_IN
6V TO 20V
C1
47μF
×2
R7
154k
R8
40k
R5
196k
V_OUT2
1.2V AT 3A
C_OUT2
68μF
L2
0.47μH ^0.1μF
R4
R3
10k _10k
RUN1
RUN2
RT
V_IN2 V_{IN1 INTVCC}
ITH1
ITH2
MODE/SYNC
V2P5
LTC3633A _PHMODE
TRACKSS2
BOOST2
BOOST1
SW2
V_ON2
V_FB2
SGND PGND
SW1
V_ON1
V_FB1
C2
2.2μF
L1
0.1μF _0.68μH
R1
R6
R2
10k ^4.99k
15k
V_OUT1
1.8V AT 3A
C_OUT1
47μF
3633a TA04
V_IN
3.6V TO 20V
1.5V 1MHz Dual Phase Buck Regulator
C1
22μF
×2
C2
2.2μF
6.04k
1nF
324k
V_IN1
V_IN2
RUN1
BOOST1
SW1
RUN2
BOOST2
INTV_CC
V2P5 ^LTC3633A SW2
PHMODE
ITH1
ITH2
V_ON1
V_ON2
V_FB1
V_FB2
RT
MODE/SYNC
SGND PGND
0.1μF _1μH
0.1μF _1μH
V_OUT
1.5V AT 6A
C_OUT
47μF
×2
29.4k
19.6k
3633a TA06
3633a1f
25