LTC2974 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC2974' PDF : 32 Pages View PDF
LTC2945
TYPICAL APPLICATIONS
A Wide Range Supply Monitor
VIN
0V TO 80V
RSNS
0.02Ω
VOUT
SENSE+ SENSE–
R1 R2
2k 2k
2.7V TO 5.9V
C2
0.1μF
VDD LTC2945 SCL
INTVCC
SDAI
ADR1
SDAO
ADR0
ALERT
ADIN
GND
VADIN
3.3V
R3
2k
VDD
SCL μP
SDA
INT
GND
2945 TA02
Wide Range Supply Monitor with Wide Range VDD Input
RSNS
VIN
4V TO 80V
0.02Ω
VOUT
3.3V
C2
0.1μF
SENSE+ SENSE–
VDD LTC2945 SCL
INTVCC
SDAI
ADR1
SDAO
ADR0
ALERT
ADIN
GND
R1 R2 R3
2k 2k 2k
VDD
SCL μP
SDA
VADIN
INT
GND
2945 TA03
VIN1
24V
C1
1μF
C2
0.1μF
VIN2
48V
C3
1μF
C4
0.1μF
Dual Supply Monitor with Common Opto-coupler for Galvanic Isolation
3.3V
RSNS1
0.02Ω
SENSE+ SENSE–
VDD
SCL
LTC2945
INTVCC
SDAI
ADR1
ADR0
SDAO
ALERT
GND ADIN
VADIN1
RSNS2
0.02Ω
VOUT2
SENSE+ SENSE–
VDD
SCL
LTC2945
INTVCC
ADR1
ADR0
GND
SDAI
SDAO
ALERT
ADIN
2945 TA04
VADIN2
R8 R9 R10 R11 R12
0.51k 0.51k 10k 10k 10k
VOUT1 HCPL063L
R4 R5
10k 10k VCC
GND
VDD
SCL
μP
R6
R7
1k
1k
3.3V
VCC
GND
HCPL063L
SDA
INT GND
2945f
25
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