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LTC3621 датащи(PDF) 17 Page - Analog Devices

номер детали LTC3621
подробное описание детали  Quad 17V, 1.25A Parallelable Synchronous Step-Down Regulator with Ultralow Quiescent Current
PDF  20 Pages
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производитель  AD [Analog Devices]
домашняя страница  http://www.analog.com
Logo AD - Analog Devices

LTC3621 датащи(HTML) 17 Page - Analog Devices

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LTC3644/LTC3644-2
17
Rev. 0
For more information www.analog.com
CFF1
22pF
CFF2
22pF
CVCC
4.7µF
R1
619k
R3
619k
R2
196k
R4
309k
L1
1.2µH
L2
3.3µH
COUT1
47µF
×3
COUT2
47µF
CIN
22µF
×4
VIN1
VIN2
VIN3
VIN4
RUN1
RUN2
RUN3
RUN4
PGOOD1
PGOOD2
PGOOD3
PGOOD4
INTVCC
MODE/SYNC
FB2
FB4
PHASE
SW1
FB1
SW3
FB3
SW4
SW2
GND
SVIN
VIN
3.1V TO 17V
LTC3644
3644 F05
VOUT1
2.5V AT 3.75A
VOUT4
1.8V AT 1.25A
Figure 5. Dual 3.75A/1.25A 1MHz Step-Down Regulator with Common Input Supply
APPLICATIONS INFORMATION
CIN
22µF
×4
CVCC
4.7µF
CFF1
22pF
COUT1
47µF
CFF2
22pF
COUT2
47µF
CFF3
22pF
COUT3
47µF
R1
619k
R2
84.5k
R3
619k
R4
137k
R5
619k
R6
196k
L1
2.2µH
L2
2.2µH
L3
1.8µH
CFF4
22pF
COUT4
47µF
R7
619k
R8
309k
L4
1.2µH
R9
100k
R10
100k
MODE/SYNC
GND
VIN
10.8V to 13.2V
LTC3644-2
VIN1
VIN2
VIN3
VIN4
SVIN
RUN1
RUN2
RUN4
RUN3
PGOOD1
PGOOD2
PGOOD4
PGOOD3
INTVCC
PHASE
FB3
SW1
SW2
SW3
PGND1
PGND3
VOUT3
2.5V AT 1.25A
VOUT1
5V AT 1.25A
VOUT2
3.3V AT 1.25A
FB1
FB2
SW4
36442 F06
VOUT4
1.8V AT 1.25A
FB4
Figure 6. 5V/3.3V/2.5V/1.8V Output 2.25MHz Step-Down Regulator with Common Input Supply and Sequenced Turn-On



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