ncp1117lp ON Semiconductor, ncp1117lp Datasheet - Page 10

• Manufacturer Part Number: ncp1117lp
• Description: 1.0 A Low-dropout Positive Fixed And Adjustable Voltage Regulators
• Manufacturer: ON Semiconductor

Input
Off
10
mF
Output Control
Figure 25. Slow Turn−On Regulator
3
+
Figure 27. Regulator with Shutdown
NCP1117LP
On
R2
Input
10
mF
1
1.0 k
2N2907
1.0 k
V out(Off) + V ref
+
2
R1
3
NCP1117LP
50 k
2N2222
1
1N4001
mF
10
2
120
360
+
Output
10
mF
http://onsemi.com
+
Output
mF
10
10
Input
mF
10
Resistor R2 sets the maximum output voltage. Each
transistor reduces the output voltage when turned on.
Input
Figure 26. Digitally Controlled Regulator
10
mF
Output Voltage Control
Figure 28. Adjusting Output of Fixed
+
3
+
NCP1117LP
3
2.0 k
Voltage Regulators
NCP1117LP
1
1
2
2
+
mF
10
2N2222
+
mF
10
Output
R1
R2
5.0 V to
12 V
+
Output
mF
10