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LT2940CMS датащи(PDF) 16 Page - Linear Technology

номер детали LT2940CMS
подробное описание детали  Power and Current Monitor
PDF  24 Pages
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производитель  LINER [Linear Technology]
домашняя страница  http://www.linear.com
Logo LINER - Linear Technology

LT2940CMS датащи(HTML) 16 Page - Linear Technology

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LT2940
16
2940f
TYPICAL APPLICATIONS
120W Supply Monitor Includes ICC of LT2940
CMP+
PMON
IMON
CMPOUT
CMPOUT
LATCH
V–
V+
I–
I+
2940 TA02
VCC
R2
140k
LOAD
R1
10.0k
5mA
MAX
0A TO 4A
VPMON
R4
13.7k
R3
6.19k
OVP
SUPPLY
30V TO 80V
100V (MAX)
OVERPOWER (OVP) GOES HIGH
WHEN SUPPLY POWER > 120W
RS
LT2940
GND
R12
3.9k
1/8W
50mΩ
1W
VLOGIC
R14
3.9k
SCALE = 30
120W FULL-SCALE
W
V
kV =
kI = 50mΩ
1
15
12.5W PWM Heat Source
CMP+
IMON
PMON
CMPOUT
CMPOUT
LATCH
V–
V+
I–
I+
VCC
2940 TA03
R2
102k
R1
25.5k
Q1
FDS3672
INPUT
9.5V TO 14.5V
RS
LT2940
GND
200mΩ
3
R4
15.0k
C4
4.7μF
* SEVEN 50Ω, 5W RESISTORS IN PARALLEL.
MULTIPLE UNITS FACILITATE SPREADING HEAT.
C1
100μF
25V
kV =
kI =
tOFF 1.7ms
200mΩ
3
1
5
HEATSINK
Q = 12.5W
R6
10k
R5
10k
Q3
2N3906
Q2
TP0610
R7*
7Ω
D1
1N5819
+



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