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| LTC3546_15 Datasheet, PDF (25/30 Pages) Linear Technology – Dual Synchronous, 3A/1A or 2A/2A Configurable Step-Down DC/DC Regulator | |||
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Applications Information
LTC3546
5V VIN
VOUT2
2.5V/2A
C5
22µF, X5R
R7
100k
R8
100k
C1
22µF, X5R
Ã2
R1
316k
R3
100k
R9
90.9k
L1
1.0µH
C6
10pF
R6
5.1k
C4
470pF
fSW = 2.25MHz
VCC
RUN2
PGOOD2
SYNC/MODE
RUN1
PGOOD1
LTC3546
SW2A
SW2B
VFB2
FREQ
ITH2
TRACK/SS2
SW1
SW1D
VFB1
PHASE
ITH1
TRACK/SS1
C9
0.1µF
BMC2 GND BMC1
3546 F08
L2
1.0µH
C7
R2
33pF
200k
R4
100k
C8
0.1µF
R5
8.2k
C3
330pF
Figure 8. A 2.25MHz Fixed Frequency 2A/2A Regulator
VOUT1
C2 1.8V/2A
22µF, X5R
Ã2
For more information www.linear.com/3546
3546fc
25
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