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LTC3633AEFE-3#PBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P28
LTC3633A-2/LTC3633A-3
22
3633a23fb
For more information www.linear.com/LTC3633A-2
APPLICATIONS INFORMATION
RUN1
RUN2
RT
TRACKSS2
PGOOD2
LTC3633A-2
BOOST2
3633a23 F09
0.1µF
L2
1µH
R4
54.9k
R3
12.1k
SW2
V
ON2
PV
IN2
PV
IN1
SV
IN
V
FB2
PHMODE
TRACKSS1
PGOOD1
BOOST1
SW1
V
ON1
V
FB1
C
OUT2
22µF
V
OUT2
3.3V AT 3A
0.1µF
L1
0.68µH
R2
24.3k
R1
12.1k
C
OUT1
47µF
V
OUT1
1.8V AT 3A
V
IN
12V
C
IN
47µF
×2
R5
162k
MODE/SYNC
ITH1
ITH2
INTV
CC
C2
2.2µF
PGNDSGND
Figure 9. Design Example Circuit
Figure 10. Example of Power Component Layout for QFN Package Figure 11. Example of Power Component
Layout for TSSOP Package
SW2
C
BOOST2
C
BOOST1
CV
CC
SW1
VIAS TO GROUND
PLANE
VIA TO GROUND
PLANE
VIAS TO GROUND
PLANE
VIAS TO GROUND
PLANE
VIA TO BOOST1
VIA TO BOOST2 VIA TO V
ON2
/R4 (NOT SHOWN)
VIA TO V
ON1
/R2 (NOT SHOWN)
V
OUT2
GND
V
IN
GND
V
OUT1
SGND
(TO NONPOWER
COMPONENTS)
3633a23 F10
C
OUT2
C
IN
C
IN
C
OUT1
L2
L1
SW1
SW2
VIAS TO GROUND
PLANE
VIAS TO GROUND
PLANE
VIAS TO GROUND
PLANE
VIAS TO GROUND
PLANE
VIA TO BOOST2
VIA TO BOOST1
VIA TO V
ON2
AND R4 (NOT SHOWN)
VIA TO V
ON1
AND R2 (NOT SHOWN)
V
OUT2
V
OUT1
SGND
(TO NONPOWER
COMPONENTS)
3633a23 F11
L1
L2
C
OUT2
C
OUT1
C
IN
C
IN
GND
GND
V
IN
C
BOOST1
C
BOOST2
CV
CC
LTC3633A-2/LTC3633A-3
23
3633a23fb
For more information www.linear.com/LTC3633A-2
TYPICAL APPLICATIONS
1.8V/2.5V 4MHz Buck Regulator
RUN1
RUN2
RT
LTC3633A-2
BOOST2
3633a23 TA02
0.1µF
L2
0.82µH
R4
31.6k
R3
10k
SW2
V
ON2
PV
IN2
PV
IN1
SV
IN
V
FB2
BOOST1
MODE/SYNC
SW1
V
ON1
V
FB1
C
OUT2
22µF
V
OUT2
2.5V AT 3A
0.1µF
L1
0.68µH
R2
24.3k
R1
12.1k
C
OUT1
47µF
V
OUT1
1.8V AT 3A
V
IN
12V
C1
22µF
×2
220pF
10pF
R5
80.6k
ITH2 PHMODE
6.98k
ITH1
INTV
CC
C2
2.2µF
220pF
6.98k
10pF
PGNDSGND
3.3V/1.8V Sequenced Regulator with 6V Input UVLO (V
OUT1
Enabled After V
OUT2
)
RUN1
PGOOD2
RUN2
RT
LTC3633A-2
BOOST2
3633a23 TA03
0.1µF
L2
1µH
R4
54.9k
R3
12.1k
SW2
V
ON2
PV
IN2
PV
IN1
SV
IN
V
FB2
BOOST1
SW1
V
ON1
V
FB1
C
OUT2
22µF
V
OUT2
3.3V AT 3A
0.1µF
L1
0.68µH
R2
24.3k
R1
12.1k
C
OUT1
47µF
V
OUT1
1.8V AT 3A
V
IN
6V TO 20V
C1
47µF
×2
R5
162k
R7
154k
R8
40k
ITH1
ITH2
INTV
CC
C2
2.2µF
MODE/SYNC
PHMODE
R6
100k
PGNDSGND
LTC3633A-2/LTC3633A-3
24
3633a23fb
For more information www.linear.com/LTC3633A-2
TYPICAL APPLICATIONS
1.2V/1.8V Buck Regulator with Coincident Tracking and 6V Input UVLO
Dual Output Regulator From Multiple Input Supplies
RUN1
RUN2
RT
LTC3633A-2
BOOST2
3633a23 TA04
0.1µF
L2
0.47µH
R4
10k
R3
10k
SW2
V
ON2
PV
IN2
PV
IN1
SV
IN
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
PHMODE
PGNDSGND
RUN2 RUN1
RT
LTC3633A-2
BOOST2
3633a23 TA05
0.1µF
L2
1µH
R4
54.9k
R3
12.1k
SW2
V
ON2
PV
IN2
PV
IN1
SV
IN
V
FB2
BOOST1
SW1
V
ON1
V
FB1
C
OUT2
22µF
V
OUT2
3.3V AT 3A
0.1µF
L1
0.68µH
R1
12.1k
C
OUT1
47µF
V
OUT1
1.8V AT 3A
12V
(POWERS V
OUT2
)
5V
(POWERS V
OUT1
)
47µF 47µF
R5
162k
787k
100k
R2
24.3k
MODE/SYNC
ITH1
ITH2
INTV
CC
C2
2.2µF
1µF
PHMODE
274k
100k
PGNDSGND
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P28

LTC3633AEFE-3#PBF

Mfr. #:
Buy LTC3633AEFE-3#PBF
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators Dual 3A, 20Vin, 4MHz, Monolithic Synchronous Step-Down Regulator
Lifecycle:
New from this manufacturer.
Delivery:
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