LP2950 / LP2951
CORPORATION
TYPICAL APPLICATIONS (continued)
+
6V
120KΩ
1.5KΩ
8
SEALED
LEAD-
ACID
BATTERY
SOURCE
+V
IN457
IN
1
MAIN V-
VOUT
FB
CLM385
LP2951
MEMORY V+
SENSE
400KΩ
FOR 5.5V
+
3
1µF
20KΩ
SD
100KΩ
GND
4
NI-CAD
BACKUP
BATTERY
LOW BATTERY DISCONNECT
1G-24
8
2
39k
Ω
SENSE
+V
IN
= 5V
+VOUT
+
5
1
7
ERROR
VOUT
RESET
1µF
LP2951
–
+
3
C4
SD
GND
TAP
6
39k
Ω
4
100k
Ω
1%
1%
1%
100k
Ω
Ω
Ω
–
+
C1
6V
LEAD-
ACID
<5.8V**
<6.0V**
<6.2V**
1k
Ω
Ω
100k
–
+
C2
C3
BATTERY
1k
100k
–
+
10k
20k
Ω
R3
Ω
1%
*OPTIONAL LATCH OFF WHEN DROPOUT OCCURS. ADJUST R3 FOR C2 SWITCHING WHEN V IS 6.0V.
IN
**OUTPUTS GO LOW WHEN V DROPS BELOW DESIGNATED THRESHHOLDS.
IN
REGULATOR WITH STATE-OF-CHARGE INDICATOR
1G-25
CALOGIC CORPORATION, 237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-3025
CALOGIC [ CALOGIC, LLC ]
