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
+V
OUT
C - MOS
GATE
Open Circuit Detector for 4 to 20mA Current Loop
+5V
4.7kΩ
4
20mA
1
8
*OUTPUT
5
470kΩ
+V
IN
V
OUT
LP2951
1N4001
7
FB
GND
4
1N457
360
2
1
4
SHUTDOWN 3
SD
INPUT
GND
4
LP2951
100pF
FB
7
2N3906
200kΩ
1%
+
3.3µF
0.1µF
100kΩ
1%
100kΩ
MIN. VOLTAGE
≈
4V
Advanced Monolithic Systems, Inc.
www.advanced-monolithic.com
Phone (925) 443-0722
Fax (925) 443-0723
ADMOS [ ADVANCED MONOLITHIC SYSTEMS ]
