SPX2975 Просмотр технического описания (PDF) - Signal Processing Technologies
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SPX2975 Datasheet PDF : 10 Pages
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SPX2975
TYPICAL APPLICATIONS (continued)
+ 6V
SEALED
LEAD-
120KΩ
1.5KΩ
ACID
BATTERY
SOURCE FB
SPX385
1N457
FOR 5.5 V
400KΩ
100KΩ
8
+VIN
SPX2975
3
SD
GND
4
1
VOUT
SENSE
2
MAIN V-
+
1µF
MEMORY V+
20KΩ
NI-CAD
BACKUP
BATTERY
Low Battery Disconnect
39kΩ
-
C4
+
RESET
8
5 __+_V_IN__
ERROR
2
SENSE 1
VOUT
3
SD
SPX2975
7
FB
39kΩ
GND
4
TAP
6
+VOUT= 5V
+ 1µF
1% 100kΩ
-
C1
+
6V
LEAD-
ACID
1%
BATTERY
1kΩ
-
C2
+
100kΩ
100kΩ
<5.8V**
1% 1kΩ
10kΩ
R3
1% 20kΩ
-
100κΩ
C3
+
<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 DESIGNATED THRESHOLDS
Regulator with State-of-Charge indicator
Rev. 10/30/00
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