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LT2940CMS Fiches technique(PDF) 20 Page - Linear Technology

No de pièce LT2940CMS
Description  Power and Current Monitor
PDF  24 Pages
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Fabricant  LINER [Linear Technology]
Site Internet  http://www.linear.com
Logo LINER - Linear Technology

LT2940CMS Fiches technique(HTML) 20 Page - Linear Technology

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LT2940
20
2940f
TYPICAL APPLICATIONS
28V Power to Frequency Converter
Secondary-Side AC Circuit Breaker
CMP+
PMON
IMON
CMPOUT
CMPOUT
LATCH
IN+
IN–
HYST
REF
V–
V+
I–
I+
VCC
2940 TA10
R1A
30k
R1B
30k
R2
120k
Q3
D4
D3
LOAD
OPTO-ISOLATOR
28V INPUT
10V TO 40V
RS
LT2940
GND
200mΩ
C4
2.2nF
R4B
10k
D2
R4A
240k
C7
10nF
D1
10V
CENTRAL SEMI
CCLM2700
kV =
kI = 200mΩ
PMAX = 10W
fOUT =
10W
1000Hz
1
5
= 1N4148
= 2N7000
R5, 100k
Q2
VCC
R6, 100k
VCC
+
–
C5
1μF
WIMA
V–
GND
V+
OUT
Q1
C6
100nF
VCC
R9
1M
LTC1440
CMP+
IMON
PMON
CMPOUT
CMPOUT
LATCH
V–
V+
I–
I+
VCC
2940 TA11
RS
LT2940
GND
200mΩ
3
D3
5.1V
12.6VAC
SECONDARY
kV =
=
kI = 200mΩ
3
1
5
30
150
T1
D1
1N4001
R12
10k
R11
10k
D2
1N4001
10W/ V
30WPK
1A/V
3APK
1.25A
TRIP
C1B
220μF
25V
+
C1A
220μF
25V
+
R0
10Ω
RESISTIVE
LOAD
R10
1k
R6
1k
R7
1k
R3
15k
R4
15k
Q3
Q1
Q2
Q6
Q7
Q4
Q5
VCC
R2
120k
2X
FDS3732
R9
10k
R1
30k
Q8
= 2N3906



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