NCP1529_10 datasheet(9/16 Pages) ONSEMI

Part #	NCP1529

Description	1.7MHz, 1A, High Efficiency, Low Ripple, Adjustable Output Voltage Step-down Converter

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Manufacturer	ONSEMI [ON Semiconductor]

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NCP1529

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9

Figure 21. Typical Soft−Start (VIN = 3.6 V, VOUT = 1.2 V,

IOUT = 100 mA, Temperature = 255C)

Figure 22. Short−Circuit Protection (VIN = 3.6 V,

VOUT = 1.2 V, IOUT = CC, Temperature = 255C)

2.20

2.25

2.30

2.35

2.40

2.45

2.50

2.55

2.60

−50

−25

0

25

50

75

100

125

TA, AMBIENT TEMPERATURE (°C)

Figure 23. Undervoltage Lockout Threshold

vs. Ambient Temperature

UVLOfall

UVLOrise

0.4

0.5

0.6

0.7

0.8

0.9

1.0

1.1

1.2

−40

−15

10

35

60

85

VIL

VIH

TA, AMBIENT TEMPERATURE (°C)

Figure 24. Enable Threshold Voltages vs.

Ambient Temperature

−50

−30

−10

10

30

50

70

10

100

1000

10000

100000

1000000

−160

−120

−80

−40

0

40

80

120

160

200

Phase

Gain

FREQUENCY (Hz)

Figure 25. Phase and Gain Performance

(VIN = 3.6 V, VOUT = 1.2 V, IOUT = 200 mA, Temperature = 255C)

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