KA278R05CTU datasheet(9/20 Pages) FAIRCHILD

Part #	KA278R05CTU

Description	2A Output Low Dropout Voltage Regulators

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Manufacturer	FAIRCHILD [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

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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KA278R05CTU Datasheet(PDF) 9 Page - Fairchild Semiconductor

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