NCL30083(2013_02) 데이터 시트보기 (PDF) - ON Semiconductor

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NCL30083
(Rev.:2013_02)

Dimmable Quasi-Resonant Primary Side Current-Mode Controller for LED Lighting with Thermal Fold-back

ON Semiconductor 

NCL30083

160

120

80.0

40.0

0

18.0

16.0

14.0

12.0

10.0

1.10

900m

700m

500m

300m

8.00

6.00

4.00

2.00

0

VCC(on)

VCC(off)

VBO(on)

VBO(off)

50−ms Timer

BO_NOK low

=> Startup mode

46.1m

138m

231m

time in seconds

323m

415m

Figure 69. Brown−Out Chronograms (Valley Fill circuit is used)

VBulk

1

2

VCC

VpinVIN

3

BO_NOK

4

http://onsemi.com

29

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