NCP1117ST12T3G ON Semiconductor, NCP1117ST12T3G Datasheet - Page 11

IC REG LDO 1A 12.0V SOT223

NCP1117ST12T3G

Manufacturer Part Number
NCP1117ST12T3G
Description
IC REG LDO 1A 12.0V SOT223
Manufacturer
ON Semiconductor
Datasheet

Specifications of NCP1117ST12T3G

Regulator Topology
Positive Fixed
Voltage - Output
12V
Voltage - Input
Up to 20V
Voltage - Dropout (typical)
1.07V @ 800mA
Number Of Regulators
1
Current - Limit (min)
1A
Operating Temperature
0°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
SOT-223 (3 leads + Tab), SC-73, TO-261
Number Of Outputs
1
Polarity
Positive
Input Voltage Max
20 V
Output Voltage
12 V
Output Type
Fixed
Dropout Voltage (max)
1.1 V at 100 mA
Output Current
1 A
Line Regulation
1 mV
Load Regulation
16 mV
Voltage Regulation Accuracy
1 %
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
0 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Output
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
NCP1117ST12T3GOS
NCP1117ST12T3GOS
NCP1117ST12T3GOSTR
Off
Input
Output Control
6.6 V
The 50 W resistor that is in series with the ground pin of the
upper regulator level shifts its output 300 mV higher than the
lower regulator. This keeps the lower regulator off until the
input source is removed.
Input
Figure 31. Battery Backed−Up Power Supply
10
mF
Figure 27. Constant Current Regulator
On
Figure 29. Regulator with Shutdown
+
R
Input
CHG
3
+
10
mF
mF
10
mF
10
NCP1117
I out +
1.0 k
XTA
1.0 k
V out(Off) + V ref
+
3
+
3
+
1
3
V ref
R
NCP1117
NCP1117
NCP1117
XT50
XT50
) I adj
2
XTA
2N2222
1
1
1
50 W
R
2
2
2
Constant Current
+
120
360
mF
5.3 V AC Line
5.0 V Battery
10
Output
+
Output
10
mF
http://onsemi.com
+
Output
mF
10
11
Input
Input
10
mF
mF
10
Resistor R2 sets the maximum output voltage. Each
transistor reduces the output voltage when turned on.
Input
Figure 30. Digitally Controlled Regulator
10
mF
Output Voltage Control
Figure 32. Adjusting Output of Fixed
+
Figure 28. Slow Turn−On Regulator
+
3
3
+
NCP1117
R2
3
NCP1117
XTA
2.0 k
XTA
Voltage Regulators
NCP1117
1
XT50
1
2N2907
1
2
R1
2
2
50 k
+
10
mF
2N2222
1N4001
+
mF
10
Output
10
mF
R1
R2
5.0 V to
12 V
+
Output
10
mF
+
Output
mF
10

Related parts for NCP1117ST12T3G