LP2950 / LP2951
CORPORATION
TYPICAL APPLICATIONS
(continued)
+V
IN
8
AUX SHUTDOWN
INPUT
OFF
ON
3
+V
IN
SD
ERROR
5
10K
Ω
5 DEGREE SHUTDOWN FLAG
LP2951
1
V
OUT
GND
4
+
TEMP
SENSOR
AS35
–
FB
7
EXTERNAL CIRCUIT
PROTECTED FROM
OVER TEMPERATURE
(V+ GOES OFF WHEN
TEMP > 125)
OR
RELAY
8.2KΩ
SYSTEM OVER TEMPERATURE PROTECTION CIRCUIT
1F-48
+5v
4
20mA
4.7mA
UNREGULATED INPUT
8
+V
IN
V
OUT
IN4001
LP2951
0.1µF
FB
GND
4
IN457
MIN VOLTAGE = 4V
OPEN CIRCUIT DETECTOR FOR 4mA TO 20mA CURRENT LOOP
1F-49
OUTPUT
1
5
IN
V
OUT
1
330K
Ω
2N5432
27K
Ω
LP2951
7
2
3
V
TAP
FB
7
SENSE
GND
4
2
+
4.7µF
5V
OUTPUT
360K
Ω
LOAD 50mA
TO 300mA
300mA REGULATOR WITH 0.75 DROPOUT
1F-50
CALOGIC CORPORATION,
237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-3025
CALOGIC [ CALOGIC, LLC ]
