SN79xxx
Typical Application
Negative Fixed Output Regulator
+
VOUT
–
+ Ci
+ Co
RL
VIN
SN79xxPI/D
1) CIN should be required if regulators are located far from power supply filter
2) CO improves output stability and transient response
3) To specify an output voltage, substitute voltage value for “xx”
Split Power Supply / OP-AMP Supply (±12V / 1.0A )
Input
+15V
Output
+12V
SN7812PI/D
1N4001
+ 0.33uF
+ 1.0uF
+ 2.2uF
+ 1.0uF
1N4001
Input
-15V
Output
-12V
SN7912PI/D
13
KSD-I0O011-002
Jan. 2011 REV. 02