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| LTC3615-1_15 Datasheet, PDF (27/32 Pages) Linear Technology – Dual 4MHz, 3A Synchronous Step-Down DC/DC Converter | |||
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LTC3615/LTC3615-1
Typical Applications
External Compensation, Forced Continuous Operation, In-Phase Switching, Slew Rate Limit, Common PGOOD Output
VIN
3.3V
47µF
47µF
1µF
RUN
RC1
43k
CC1
220pF
10pF
RT
178k
R5
40.2k
PGOOD
R6
R7
226k
174k
100k
RC2
43k
CC2
220pF
10pF
SVIN (2Ã) PVIN1 (2Ã) PVIN2
RUN1
(2Ã) SW1
TRACK/SS1
PGOOD1
ITH1
LTC3615
FB1
MODE
RT /SYNC
SRLIM
(2Ã) SW2
0.47µH
0.47µH
MODE
FB2
PHASE
RUN2
TRACK/SS2
PGOOD2
ITH2 SGND
PGND
3615 TA02
R1
412k
R2
205k
R3
665k
R4
210k
VOUT1
1.8V/3A
47µF
VOUT2
2.5V/3A
47µF
VOUT1 Waveform
VOUT2 Waveform
VOUT1
100mV/DIV
VOUT2
100mV/DIV
IOUT1
1A/DIV
20µs/DIV
3615 TA02b
IOUT2
1A/DIV
20µs/DIV
3615 TA02c
For more information www.linear.com/LTC3615
3615fb
27
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