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KA278R51CTU

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20
KA278RXXC-SERIES
16
Typical Application
KA278R33/05/51/09/12C
Figure 1. Application Circuit
• Ci is required if regulator is located at an appreciable distance from power supply filter.
• Co improves stability and transient response.(Co > 47µF)
KA278RA05
• Ci is required if regulator is located at an appreciable distance from power supply filter.
• Co improves stability and transient response.(C
O
> 47µF)
+
+
12
3
4
Vin
Vdis
Vo
GND
Disable Signal
KA278RA05
2
Vin
1
3
R3
GND
4
Vo
Vadj
R4
Co
R
L
Ci
Output
Input
Vo = 1.25 ( 1 + ) R
1
= 1.8kΩ , R
2
= 0.6kΩ
R
1
//R
3
R
2
//R
4
KA278RA05
2
Vin
1
3
R3
GND
4
Vo
Vadj
R4
Co
R
L
Ci
Output
Input
KA278RA05
2
Vin
1
3
R3
GND
4
Vo
Vadj
R4
Co
R
L
Ci
Output
Input
Vo = 1.25 ( 1 + ) R
1
= 1.8kΩ , R
2
= 0.6kΩ
R
1
//R
3
R
2
//R
4
Vo = 1.25 ( 1 + ) R
1
= 1.8kΩ , R
2
= 0.6kΩ
R
1
//R
3
R
2
//R
4
20
15
10
-50
Variation(%)
50
100 125
-25 0 25
75
0
-5
-10
5
Junction temperature Tj(")
25
20
15
10
-50
Variation(%)
50
100 125
-25 0 25
75
50
100 125
-25 0 25
75
0
-5
-10
5
Junction temperature Tj(")
25
KA278RA05
2
Vin
1
3
GND
4
Vo
Vadj
Co
R
L
Ci
Output = 5V
Input
KA278RA05
2
Vin
1
3
GND
4
Vo
Vadj
Co
R
L
Ci
Output = 5V
Input
Figure 2. Application Circuit (Adjustable Mode)
Figure 3. Internal Resistor(R1,R2) Variation vs. Temperature(Tj)
Figure 4. Application Circuit (Fixed Mode)
KA278RXXC-SERIES
17
Mechanical Dimensions
Package
Dimensions in millimeters
TO-220F-4L
KA278RXXC-SERIES
18
Mechanical Dimensions
(Continued)
Package
Dimensions in millimeters
TO-220F-4L
(Forming)
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20

KA278R51CTU

Mfr. #:
Buy KA278R51CTU
Manufacturer:
ON Semiconductor / Fairchild
Description:
LDO Voltage Regulators 2A Fixed 5.1V Low D-out Volt Regulator
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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