LTC2925
26
2925fd
For more information www.linear.com/LTC2925
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
LINEAR TECHNOLOGY CORPORATION 2004
LT 0616 REV D • PRINTED IN USA
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com/LTC2925
relaTeD parTs
Typical applicaTion
Electronic Circuit Breaker Monitors Slave Output
Q1
Si4412ADY
0.1µF
C
PGTMR
0.82µF
10k
V
CC
SENSEP
SENSEN
3.3V
V
IN
3.3V
R
ONB
138k
V
IN
R
TB1
16.5k
R
TB2
88.7k
R
FA2
41.2k
2.5V
SLAVE2
MASTER
R
FB2
88.7k
R
TA2
41.2k
R
TB3
86.6k
R
TA3
100k
R
TA1
13k
R
ONA
100k
RAMPBUF
TRACK1
TRACK2
TRACK3
FB2
GATE
LTC2925
PGTMR
C
SDTMR
0.082µF
SDTMR
C
SCTMR
0.41µF
SCTMR
GND
2925 TA03b
RAMP
R
FA3
100k
1.5V
SLAVE3
R
FB3
86.6k
DC/DC
IN
FB = 0.8V OUT
DC/DC
IN
FB = 0.8V
RUN/SS
RUN/SS
OUT
FB3
3.3V
PGI
R
FA1
35.7k
1.8V
SLAVE1
R
FB1
16.5k
SUPPLY
MONITOR
DC/DC
IN
FB = 1.235V
RUN/SS
OUT
FB1
FAULT
ON
10k
V
IN
STATUS
REMOTE
RST
0.015W
SD3
SD2
SD1
C
GATE
0.1µF
10Ω
PART NUMBER DESCRIPTION COMMENTS
LTC2900 Quad Voltage Monitor in MSOP and DFN 16 User Selectable Combinations, ±1.5% Threshold Accuracy
LTC2901 Quad Voltage Monitor with Watchdog 16 User Selectable Combinations, Adjustable Timers
LTC2902 Quad Voltage Monitor with Adjustable Reset 5%, 2.5%, 10% and 12.5% Selectable Supply Tolerances
LTC2920 Power Supply Margining Controller Single or Dual, Symmetric/Asymmetric High and Low Margining
LTC2921/LTC2922 Power Supply Tracker with Input Monitors Includes Three (LTC2921) or Five (LTC2922) Remote Sense Switches
LTC2923 Power Supply Sequencing/Tracking Controller Controls Two Supplies Without FETs, MSOP-10 and DFN-12 Packages
