NCP1249CD65R2G datasheet(8/33 Pages) ONSEMI

Part #	NCP1249CD65R2G

Description	High-Voltage CurrentMode PWM Controller Featuring Peak Power Excursion

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Manufacturer	ONSEMI [ON Semiconductor]

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8 / 33 page

NCP1249C, NCP1249D

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8

TYPICAL CHARACTERISTICS

0.70

0.80

0.90

1.00

1.10

4.0

4.5

5.0

5.5

6.0

6.5

7.0

7.5

8.0

7.0

7.2

7.4

7.6

7.8

8.0

9.8

9.9

10.0

10.1

10.2

17.0

17.2

17.4

17.6

17.8

18.0

Figure 9. VCC Increasing Level at which

Driving Pulses are Authorized, VCC_ON

Figure 10. VCC Decreasing Level at which

Driving Pulses are Stopped, VCC_OFF

TEMPERATURE (°C)

Figure 11. VCC Hysteresis, VCC_HYST

Figure 12. VCC Level at Fault Modes, VCC_bias

TEMPERATURE (°C)

Figure 13. VCC Level for Istart1 to Istart2

Transition, VCC_inhibit

TEMPERATURE (°C)

Figure 14. Internal IC Consumption During

Latch−off Mode, ICC_latch

TEMPERATURE (°C)

110

80

35

20

5

−10

−25

−40

50

65

95

125

110

80

35

20

5

−10

−25

−40

50

65

95

125

110

80

35

20

5

−10

−25

−40

50

65

95

125

110

80

35

20

5

−10

−25

−40

50

65

95

125

110

80

35

20

5

−10

−25

−40

50

65

95

125

150

200

250

300

350

400

110

80

35

20

5

−10

−25

−40

50

65

95

125

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NCP1249CD65R2G Datasheet(PDF) 8 Page - ON Semiconductor

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