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LTC2928IG#PBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P34
LTC2928
28
2928fa
For more information www.linear.com/LTC2928
applicaTions inForMaTion
Figure18. Design Example Timing Diagram, Sequencing-Up
ON
CAS
EN3
V3
EN4
V4
V1
EN1, EN2
CMP3, CMP4, CMP1
CMP2
RST
PTMR
RTMR
2928 TA02
DONE
V2
0.67V
MON(TH)
0.67V
MON(TH)
0.67V
MON(TH)
0.67V
MON(TH)
t
STMR
t
RTMR
V
MON(TH)
1 2 3 4 5 6 7 8
LTC2928
29
2928fa
For more information www.linear.com/LTC2928
applicaTions inForMaTion
Figure19. Design Example Timing Diagram, Sequencing-Down
ON
DONE
EN1, EN2
V1, V2
V4
V3
EN4
EN3
CMP1, CMP2
CMP3, CMP4
RST
PTMR
2928 TA03
CAS
t
STMR
8 7 6 5 4 3 2
1
0.67V
MON(TH)
0.67V
MON(TH)
0.67V
MON(TH)
LTC2928
30
2928fa
For more information www.linear.com/LTC2928
applicaTions inForMaTion
Figure20. LTC2928 Design Example
EN1
I/O
CORE
RST
SD1
DSP
LTC2928
EN2
EN3
EN4
RT1
3.4k
R4B
52.3k
R2B
18.2k
2.5V
1.8V
3.3V
RP1
10k
10k
3.3VN4
N3
1.5V
R3B
23.7k
R1B
36.5k
BAT85
3.32k 10k
R4A
10k
R3A
10k
R2A
10k
R1A
10k
10k
3300pF
0.1µF
0.047µF
3.4k
24.3k
15k
1k
1k
0.1µF
V
CC
V
CC
3.3V
1k
1k
RT2
RT3
RT4
CMP1
CMP2
CMP3
CMP4
V
CC
C
RTMR
C
PTMR
C
STMR
SQT2
SYSTEM
CONTROLLER
SQT1
CAS
RDIS
N3, N4: IRL3714S
ALL RESISTORS 1%
ON
V1
V2
V3
V4
HV
CC
MS1
MS2
VSEL
GND
RTMR
PTMR
STMR
REF
OVA
DONE
F LT
OV
RST
I/O
CORE
RST
FPGA
2928 TA01
V
IN
V
OUT
SHDN
DC/DC
V
IN
V
OUT
SHDN
DC/DC
V
IN
V
OUT
SHDN
DC/DC
RT1
RT2
RT3
RT4
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P34

LTC2928IG#PBF

Mfr. #:
Buy LTC2928IG#PBF
Manufacturer:
Analog Devices Inc.
Description:
Supervisory Circuits Quad Supply Sequencer/Supervisor
Lifecycle:
New from this manufacturer.
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