LTC3633_15 Datasheet, PDF (24/28 Pages) Linear Technology – Dual Channel 3A, 15V Monolithic Synchronous Step-Down Regulator

LTC3633
TYPICAL APPLICATIONS
1.2V/2.5V 4MHz Buck Regulator
V_IN
3.6V TO 15V
C1
22µF
×2
10pF
6.98k
220pF
RUN1 ^VIN2
RUN2
ITH2
V_{IN1 INTVCC}
V2P5
PHMODE
ITH1
LTC3633
6.98k
10pF
220pF
R5
80.6k
V_OUT2
2.5V AT 3A
C_OUT2
22µF
L2
0.82µH ^0.1µF
R4
R3
31.6k _10k
RT
BOOST2
MODE/SYNC
BOOST1
SW2
V_ON2
V_{FB2 SGND PGND}
SW1
V_ON1
V_FB1
L1
0.1µF _0.47µH
R1
R2
10k ^10k
C2
2.2µF
V_OUT1
1.2V AT 3A
C_OUT1
47µF
3633 TA02
3.3V/1.8V Sequenced Regulator with 6V Input UVLO (V_OUT1 Enabled After V_OUT2)
V_IN
6V TO 15V
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
RUN1 ^VIN2
PGOOD2
V_{IN1 INTVCC}
ITH1
RUN2
LTC3633
ITH2
V2P5
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
3633 TA05
24
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