MC7906 FAIRCHILD [Fairchild Semiconductor], MC7906 Datasheet - Page 15

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MC7906

Manufacturer Part Number
MC7906
Description
3-Terminal 1A Negative Voltage Regulator
Manufacturer
FAIRCHILD [Fairchild Semiconductor]
Datasheet

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Typical Applications
Notes:
(1) To specify an output voltage, substitute voltage value for "XX "
(2) Required for stability. For value given, capacitor must be solid tantalum. If aluminium electronics are used, at least ten times
(3) To improve transient response. If large capacitors are used, a high current diode from input to output (1N400l or similar)
value shown should be selected. C
should be introduced to protect the device from momentary input short circuit.
I
is required if regulator is located an appreciable distance from power supply filter.
+ 15V
- 15V
Figure 6. Negative Fixed output regulator
Figure 7. Split power supply ( ± ± ± ± 12V/1A)
- V
C1
Input
C1
I
+
+
C
2.2 F
I
0.33 F
+
2
1
2.2 F
2
MC7812
MC7912
KA7812
KA7912
MC79XX
LM79XX
KA79XX
1
2
1
Co
Co
1 F
1 F
3
3
+
3
+
+ 1 F
C
Output
*
*
1N4001
1N4001
O
- V
+12V
GND
-12V
O
MC79XX/MC79XXA/LM79XX
15

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