參數(shù)資料
型號: 01F2160
英文描述: IC-VOLTAGE REG +3V
中文描述: 集成電路3V的電壓退訂
文件頁數(shù): 4/16頁
文件大小: 342K
代理商: 01F2160
LP2950
http://onsemi.com
12
Figure 24. 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
F
NC
1N457
360
1N457
1N4001
24
+ 5.0 V
4.7 k
15
20 mA
4
* High for
IL < 3.5 mA
Figure 25. Low Battery Disconnect
2N3906
5
3
Error
SD
Gnd
FB
47
6
VO T
SNS
2
Vout
Vin
8
1
LP2951CN
NC
1.0
F
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
R
,THERMAL
RESIST
ANCE
JAθ JUNCTION-T
O-AIR
(
C/W)
°
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
P
D
L
,MAXIMUM
POWER
DISSIP
A
TION
(W)
Free Air
Mounted
Vertically
R
θJA
2.0 oz. Copper
Figure 26. DPAK Thermal Resistance and Maximum
Power Dissipation versus P.C.B. Copper Length
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