AMS2954
TYPICAL APPLICATIONS
(Continued)
Wide Input Voltage Range Current Limiter
+V
IN
8
+V
IN
ERROR
OUPUT
5
ERROR
V
OUT
1
*V
OUT
≈
V
ΙΝ
AMS2954
SHUTDOWN 3
SD
INPUT
GND
4
FB
7
*Minimum Input-Output voltage ranges from 40mV to 400mV, depending on load current. Current limit is typically 260 mA
Low Drift Current Source
+V = 2
I
L
30V
5Volt Current Limiter
LOAD
5V BUS
8
V
IN
V
OUT
1
AMS2954
+V
IN
AMS2954 -5.0
V
OUT
0.1µF
FB
7
R
1%
+
GND
1µF
4
*V
OUT
≈
5V
SHUTDOWN 3
SD
INPUT
GND
1µF
*Minimum Input-Output voltage ranges from 40mV to 400mV, depending on
load current. Current limit is typically 260 mA
5V Regulator with 2.5V Sleep Function
+V
IN
*SLEEP
INPUT
47kΩ
8
ERROR
OUPU
T
+V
IN
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
AMS2954
1N4001
200kΩ
FB
GND
3.3µF
0.1µF
4
1N457
360
7
2
1
4
SHUTDOWN 3
SD
INPUT
AMS2954
100pF
FB
7
2N3906
4
1%
+
GND
100kΩ
1%
100kΩ
MIN. VOLTAGE
≈
4V
Advanced Monolithic Systems, Inc.
6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140
ADMOS [ ADVANCED MONOLITHIC SYSTEMS ]
