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LP2951CDMR2 数据表(PDF) 13 Page - ON Semiconductor

部件名 LP2951CDMR2
功能描述  100 mA, Low Power Low Dropout Voltage Regulator
PDF  22 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  ONSEMI [ON Semiconductor]
网页  http://www.onsemi.com
标志 ONSEMI - ON Semiconductor

LP2951CDMR2 数据表(HTML) 13 Page - ON Semiconductor

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LP2950, LP2951, NCV2951
http://onsemi.com
13
Figure 27. Open Circuit Detector for 4.0 to 20 mA Current Loop
5
3
Error
SD
Gnd
FB
47
6
VO T
SNS
2
Vout
Vin
8
1
LP2951CN
NC
Output*
0.1
mF
NC
NC
NC
1N457
1N457
360
1N457
1N4001
24
+ 5.0 V
4.7 k
15
20 mA
4
* High for
IL < 3.5 mA
Figure 28. Low Battery Disconnect
2N3906
5
3
Error
SD
Gnd
FB
47
6
VO T
SNS
2
Vout
Vin
8
1
LP2951CN
NC
1.0
mF
NC
2
3
1
20
Main V+
Memory V+
6.0 V Lead-Acid
Battery
NiCad Backup
Battery
100 k
31.6 k
MC34164P−5
NC
40
50
60
70
80
90
100
0
0.4
0.8
1.2
1.6
2.0
2.4
010
20
30
25
15
5.0
L, LENGTH OF COPPER (mm)
PD(max) for TA = 50C
Minimum
Size Pad
L
L
Free Air
Mounted
Vertically
RqJA
2.0 oz. Copper
Figure 29. DPAK Thermal Resistance and Maximum
Power Dissipation versus PCB Copper Length



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