NCP631GD2TR4G datasheet(5/9 Pages) ONSEMI

Part #	NCP631GD2TR4G

Description	3.0 A Linear Voltage Regulator with Soft?뭆tart

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Manufacturer	ONSEMI [ON Semiconductor]

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NCP631

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5

3.0

1.5

0

−50

−100

−150

TIME (

mS)

Cin = 68 mF, Al Electrolytic

Cout = 33 mF, Al Electrolytic

Vin = 5.0 V

0

1020

3040

50

60

4.5

7

6

5

40

20

0

−20

−40

60

TIME (

mS)

Cin = 1.0 mF

Cout = 33 mF, Al Electrolytic

Iout = 200 mA

0

1020

3040

50

60

0.000

0.200

0.400

0.600

0.800

1.000

1.200

1

10

100

1,000

10,000

100,000 1,000,000

f, FREQUENCY (Hz)

Figure 8. Noise Characterization

0

20

40

80

100

120

10

100

1,000

10,000

100,000

f, FREQUENCY (Hz)

Vin = 4.47 V

Cout = 33 mF

Cin = 100 mF

Iout = 10 mA

Vin = 5.0 V + 0.5 Vpp

Cout = 100 mF, Al Electrolytic

Iout = 10 mA

Figure 9. Ripple Rejection vs. Frequency

7

6

5

40

30

20

10

0

50

TIME (

mS)

Cin = 68 mF, Al Electrolytic

Cout = 33 mF, Al Electrolytic

Iout = 200 mA

0

100

200

300

400

500

600

Figure 10. Line Transient

Figure 11. Line Transient

Figure 12. Load Transient

Iout = 100 mA to 3.0 A

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NCP631GD2TR4G Datasheet(PDF) 5 Page - ON Semiconductor

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