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KA278R12C Datasheet(PDF) 9 Page - Fairchild Semiconductor

Part # KA278R12C
Description  2A Output Low Dropout Voltage Regulators
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Manufacturer  FAIRCHILD [Fairchild Semiconductor]
Direct Link  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

KA278R12C Datasheet(HTML) 9 Page - Fairchild Semiconductor

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KA278RXXC-SERIES
9
Typical Performance Characteristics (Continued)
-25
TEMPERATURE Tj(oC)
15
10
5
20
0
Output Current(A)
3.0
5.0
01.0
2.0
4.0
80
60
20
100
0
40
6.0
10
Input Ripple Frequency (KHz)
50
40
30
20
0
0.1
100
1
10
60
70
Tj = 25 oC
VIN = 7V
IO =1A
∆VIN = 0.5Vrms
Time (
µs)
20
15
10
5
7
0
515
25
30
0
-5
-10
-15
-20
-25
8
25
35
45
Time (
µs)
2.0
1.5
1.0
0.5
0
0
10
20
2.5
3.0
0.0
-0.5
-1.0
-1.5
-2.0
-2.5
2.0
30
40
0123
456
3.50
3.75
4.00
4.25
4.50
4.75
Input-output differential voltage Vin-Vo (V)
Figure 7. Power Dissipation vs. Temperature(Tj)
Figure 8. Overcurrent Protection Characteristics
Figure 9. Ripple Rejection vs. Input Ripple Frequency
Figure 10. Line Transient Response
Figure 11. Load Transient Response
(Typical value)
Figure 12. Output Peak Currenrt vs.
Input-Output Differential Voltage


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