NCP1030_06 datasheet(11/18 Pages) ONSEMI

Part #	NCP1030

Description	Low Power PWM Controller with On?묬hip Power Switch and Startup Circuits for 48V Telecom Systems

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Manufacturer	ONSEMI [ON Semiconductor]

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NCP1030, NCP1031

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TYPICAL CHARACTERISTICS

Figure 28. Operating Supply Current vs.

Supply Voltage

Figure 29. Supply Current vs. Junction

Temperature

4.1

3.9

3.3

2.5

3.1

2.7

VCC, SUPPLY VOLTAGE (V)

Figure 30. Operating Supply Current vs.

Oscillator Frequency

10

11

12

13

14

15

16

2.9

VDRAIN = 48 V

TJ = 25°C

CT = 560 pF

4.0

2.5

2.0

0

1.5

0.5

TJ, JUNCTION TEMPERATURE (°C)

−50

−25

0

25

50

75

100

1.0

VCC = 12 V

CT = 560 pF

125

150

VUV = 3.0 V, VFB = 2.3 V

VUV = 3.0 V, VFB = 2.7 V

VUV = 2.0 V

3.0

3.7

3.5

10

7

6

2

5

3

fOSC, OSCILLATOR FREQUENCY (kHz)

200

300

400

500

600

700

800

4

900

1000

TJ = 25 °C

8

9

NCP1030

NCP1031

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