NCP1219BD65R2G datasheet(11/20 Pages) ONSEMI

Part #	NCP1219BD65R2G

Description	PWM Controller with Adjustable Skip Level and External Latch Input

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Manufacturer	ONSEMI [ON Semiconductor]

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NCP1219

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TYPICAL CHARACTERISTICS

Figure 21. Adjustable Skip Threshold vs.

Junction Temperature

Figure 22. Skip Threshold vs. Skip Resistor

TJ, JUNCTION TEMPERATURE (°C)

RSkip, EXTERNAL SKIP RESISTOR (kW)

125

100

75

50

25

0

−25

−50

0.2

0.3

0.4

0.5

0.7

0.8

0.9

1.0

1000

100

10

1

0

0.2

0.4

0.6

0.8

1.0

1.2

Figure 23. Soft−Start Period vs. Junction

Temperature

Figure 24. Overload Timer Period vs. Junction

Temperature

TJ, JUNCTION TEMPERATURE (°C)

125

100

75

50

25

0

−25

−50

0

1

2

3

6

7

9

10

125

100

75

50

25

0

−25

−50

90

95

105

110

120

125

135

140

150

0.6

Rskip = 48.7 kW

10000

150

4

5

8

150

100

115

130

1.1

1.2

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NCP1219BD65R2G Datasheet(PDF) 11 Page - ON Semiconductor

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