LP2950 データシートの表示（PDF） - Bay Linear
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LP2950 Datasheet PDF : 12 Pages
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TYPICAL APPLICATIONS (continued)
LP2950/LP2951
+ 6V
SEALED
LEAD-
120KΩ ..
1.5KΩ ..
ACID
BATTERY
SOURCE FB
LM385
1N457
FOR 5.5 V
400KΩ ..
100KΩ ..
3
SD
8
+VIN
BAY
1
VOUT
LP2951 SENSE
2
GND
4
MAIN V-
+
1uF
MEMORY V+
20KΩ ..
NI-CAD
BACKUP
BATTERY
Low Battery Disconnect
39kΩ ..
RESET
8
5 __+_V__IN_
ERROR
2
SENSE
1
VOUT
-
BAY
C4
3
SD
LP2951
7
+
FB
39kΩ ..
GND
TAP
4
6
+VOUT = 5V
+
1uF
1% 100kΩ ..
-
C1
+
6V
LEAD-
1kΩ ..
ACID
1%
BATTERY
-
C2
+
100kΩ ..
100kΩ ..
<5.8V**
1% 1kΩ .. -
C3
+
10kΩ ..
R3
1% 20kΩ ..
100kΩ ..
<6.0V**
<6.2V**
* OPTIONAL LATCH OFF WHEN DROPOUT OCCURS. ADJUST R3 FOR C2 SWITCHING WHEN
VIN IS 6.0V
** OUTPUTS GO LOW WHEN VIN DROPS BELOW DESGNATED THRESHHOLDS
Regulatorwith State-of-Charge indicator
Bay Linear, Inc 2478 Armstrong Street, Livermore, CA 94550 Tel: (925) 989-7144, Fax: (925) 940-9556
www.baylinear.com
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