NCP3011_15 datasheet(9/28 Pages) ONSEMI

Part #	NCP3011

Description	Synchronous PWM Controller

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Manufacturer	ONSEMI [ON Semiconductor]

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NCP3011, NCV3011

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9

TYPICAL PERFORMANCE CHARACTERISTICS

Figure 15. SYNC Threshold vs. Input Voltage and

Temperature

TEMPERATURE (

°C)

125

110

50

5

−40

1.0

1.2

1.4

1.6

1.8

2.0

Vin = 12 V, 28 V

−25 −10

20

35

65

80

95

Vin = 5 V

Figure 16. Valley Voltage vs. Input Voltage and

Temperature

TEMPERATURE (

°C)

125

110

50

5

−40

400

450

500

550

600

650

700

−25 −10

20

35

65

80

95

750

800

850

900

Vin = 5 − 28 V

950

1000

Input = 16 V, Output = 3.3 V, Load = 5 A

C1 (Blue) = VSW, C2 (Light Blue) = VOUT

C3 (Magenta) = Power Good, C4 (Green) = Enable

Figure 17. External Reference Voltage vs. Input

Voltage and Temperature

TEMPERATURE (

°C)

125

110

50

5

−40

1.23

1.235

1.24

1.245

1.25

1.255

1.26

Vin = 12 V, 28 V

−25 −10

20

35

65

80

95

Vin = 5 V

Figure 18. External Reference Voltage vs. Input

Voltage and Temperature

Figure 19. Soft−Start Waveforms

Figure 20. Soft−Stop Waveforms

TEMPERATURE (

°C)

125

110

50

5

−40

−1.0

−0.8

−0.6

−0.4

−0.2

0

0.2

−25 −10

20

35

65

80

95

0.4

0.6

0.8

1.0

Vin = 5 V

Vin = 12 V, 28 V

Input = 16 V, Output = 3.3 V, Load = 5 A

C1 (Blue) = VSW, C2 (Light Blue) = VOUT

C3 (Magenta) = Power Good, C4 (Green) = Enable

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