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Part Name
Description
LTC2925 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
LTC2925
Multiple Power Supply Tracking Controller with Power Good Timeout
Linear Technology
'LTC2925' PDF : 26 Pages
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LTC2925
TYPICAL APPLICATION
External FET Controls 1V Supply
1V
3.3V
R
ONB
138k
R
ONA
100k
V
IN
10k
V
IN
10k
R
TB1
8.66k
R
TA1
48.7k
R
TA2
215k
R
TB2
32.4k
R
TB3
53.6k
R
TA3
348k
Q1
0.015Ω Si4412ADY
0.1μF
C
GATE
10Ω 0.1μF
V
CC
SENSEP SENSEN GATE
ON
REMOTE
RAMP
PGI
SD1
FB1
MASTER
SUPPLY
MONITOR
RST
3.3V
RUN/SS
IN
DC/DC
FB = 1.235V OUT
STATUS
LTC2925
SD2
FAULT
FB2
RAMPBUF
TRACK1
TRACK2
SD3
FB3
TRACK3
GND SCTMR
SDTMR
PGTMR
C
SCTMR
0.41μF
C
SDTMR
0.082μF
C
PGTMR
0.82μF
R
FA1
R
FB1
35.7k 16.5k
3.3V
RUN/SS
IN
DC/DC
FB = 0.8V OUT
R
FA2
R
FB2
41.2k 88.7k
3.3V
RUN/SS
IN
DC/DC
FB = 0.8V OUT
R
FA3
100k
R
FB3
86.6k
1.8V
SLAVE1
2.5V
SLAVE2
1.5V
SLAVE3
2925 TA03a
2925fc
21
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