NCP565 datasheet(6/16 Pages) ONSEMI

Part #	NCP565

Description	1.5 A Low Dropout Linear Regulator

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Manufacturer	ONSEMI [ON Semiconductor]

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NCP565/NCV565

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TYPICAL CHARACTERISTICS

100

90

80

70

60

50

40

30

20

10

0

10

1000000

F, FREQUENCY (Hz)

100

1000

10000

100000

Iout = 1.5 A

Figure 9. Ripple Rejection vs. Frequency

Figure 10. Output Capacitor ESR Stability vs.

Output Current

250

0

750

500

1000

1500

1250

1

10

100

1000

OUTPUT CURRENT (mA)

Cout = 10 mF

Stable

Unstable

Vout = 3.3 V

50

40

30

20

10

0

1.50

1.00

0.50

0

50

150

200

250

300

350

400

TIME (nS)

10

0

−10

−20

−30

−40

1.50

1.00

0.50

0

50

100

150

200

250

300

350

400

TIME (nS)

Figure 11. Load Transient from 10 mA to 1.5 A

10

0

−10

−20

−30

−40

1.50

1.00

0.50

0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

TIME (

ms)

Figure 12. Load Transient from 10 mA to 1.5 A

Figure 13. Load Transient from 1.5 A to 10 mA

50

40

30

20

10

0

1.50

1.00

0.50

0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

TIME (

ms)

Figure 14. Load Transient from 1.5 A to 10 mA

Vin = 4.59 V

Vout = 0.9 V

Vin = 4.59 V

Vout = 0.9 V

Vin = 4.59 V

Vout = 0.9 V

Vin = 4.59 V

Vout = 0.9 V

100

−50

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