LTC3633A-3_15 Datasheet, PDF (23/28 Pages) Linear Technology – Dual Channel 3A, 20V Monolithic Synchronous Step-Down Regulator

LTC3633A-2/LTC3633A-3
TYPICAL APPLICATIONS
1.8V/2.5V 4MHz Buck Regulator
V_IN
12V
C1
22µF
×2
10pF
6.98k
220pF
R5
80.6k
V_OUT2
2.5V AT 3A
C_OUT2
22µF
L2
0.82µH ^0.1µF
R4
R3
31.6k _10k
PV_IN2
RUN1
RUN2
ITH2
PV_IN1
SV_IN
INTV_CC
PHMODE
ITH1
LTC3633A-2
RT
BOOST2
MODE/SYNC
BOOST1
SW2
V_ON2
V_{FB2 SGND PGND}
SW1
V_ON1
V_FB1
6.98k
10pF
220pF
L1
0.1µF _0.68µH
R1
R2
12.1k ^24.3k
C2
2.2µF
V_OUT1
1.8V AT 3A
C_OUT1
47µF
3633a23 TA02
3.3V/1.8V Sequenced Regulator with 6V Input UVLO (V_OUT1 Enabled After V_OUT2)
V_IN
6V TO 20V
C1
47µF
×2
R5
162k
V_OUT2
3.3V AT 3A
C_OUT2
22µF
R6
R7 ^100k
154k
R8
40k
L2
1µH ^0.1µF
R4
R3
54.9k _12.1k
PV_IN2 PV_IN1 SV_IN
RUN1
PGOOD2
INTV_CC
ITH1
RUN2
ITH2
LTC3633A-2
MODE/SYNC
PHMODE
RT
BOOST2
BOOST1
SW2
V_ON2
V_{FB2 SGND PGND}
SW1
V_ON1
V_FB1
C2
2.2µF
L1
0.1µF _0.68µH
R1
R2
12.1k ^24.3k
V_OUT1
1.8V AT 3A
C_OUT1
47µF
3633a23 TA03
For more information www.linear.com/LTC3633A-2
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