+
6V
SEALED
LEAD-
ACID
BATTERY
SOURCE
120kΩ
FB
1.5kΩ
1N457
8
+V
IN
V
OUT
1
MAIN V+
SPX385
LP2951
FOR 5.5 V
400kΩ
3
100kΩ
SD
GND
4
SENSE
MEMORY V+
2
+
1µF
20kΩ
NI-CAD
BACKUP
BATTERY
Ω
�½
Ω
Ω
Ω
Ω
Ω
Ω
Ω
Ω
Ω
Rev G
LP2950-5 Low Dropout Linear Regulators
© 2008 Exar Corporation
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