LP2950-xx/LP2951-xx
TYPICAL APPLICATIONS
(Continued)
Low Drift Current Source
+V = 2
I
L
30V
5Volt Current Limiter
LOAD
5V BUS
8
V
IN
V
OUT
1
LP2951
SHUTDOWN 3
SD
INPUT
GND
4
R
1%
FB
7
+
0.1μF
+V
IN
LP2950 -5.0
V
OUT
1μF
GND
*V
OUT
≈
5V
1μF
*Minimum Input-Output voltage ranges from 40mV to 400mV, depending on load
current. Current limit is typically 160 mA
5V Regulator with 2.5V Sleep Function
+V
IN
*SLEEP
INPUT
47kΩ
8
+V
IN
ERROR
OUPUT
5
ERROR
V
OUT
1
C - MOS
GATE
Open Circuit Detector for 4 to 20mA Current Loop
+5V
4.7kΩ
4
20mA
8
1
*OUTPUT
5
470kΩ
+V
OUT
1N4001
200kΩ
100pF
FB
7
2N3906
100kΩ
1%
100kΩ
1%
+
3.3μF
0.1μF
+V
IN
V
OUT
LP2951
7
FB
GND
4
1N457
2
1
4
SHUTDOWN 3
SD
INPUT
GND
4
LP2951
360
MIN. VOLTAGE
≈
4V
:
ADD.: RM. 4004,
88
BLOCK B,
B
4004
,
:210008
(TEL.): (86)-25-68853600
(FAX): (86)-25-68853600-810
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NEW WORLD CENTRE,
NO. 88 ZHUJIANG ROAD,
10
NANJING 210008,
CHINA
HN [ NANJING HONANO ELECTRONIC CO., LTD. ]
