Datasheet > LNK66K

LNK66K

更新时间： 2022-02-26 10:03:11

品牌	Logo	应用领域
帕沃英蒂格盛 - POWERINT		/
页数	文件大小	规格书
24页	2357K
描述
Energy Efficient, High-Power Off-Line Switcher With Accurate Primary-Side Regulation (PSR)

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数据手册

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LNK66K 数据手册

LinkSwitch-HP

1. Startup

26. Pause 150 ms

(Auto-Restart Off

Period (t_AR(OFF)

)

3. AC

Present?

(I_FB> -250 µA)

4. Start Switching

(With 15 ms

Soft-Start)

2. Latching

Shutdown?

(C_BF= 47 µF)

5. Line OV?

(I_FB> -1.15 mA

for 2 Cycles)

Yes

6. Brown-Out?

(I_FB< -100 µA

for 8 Cycles)

Yes

11. AC

Present?

(I_FB> -250 µA)

27. Pause 150 ms

(Auto-Restart Off

Period t_AR(OFF)1

)

7. Regulation

Lost? (V_FB< 1.85 V

for 35 ms)

Yes

14. Line OV?

(I_FB> -1.15 mA

for 2 Cycles)

12. Start Switching

(With 15 ms

Soft-Start)

Yes

8. Stop Switching

15. Brown-Out?

(I_FB< -100 µA

for 8 Cycles)

Yes

20. Start Switching

(With 15 ms

Soft-Start)

9. Latch Reset?

(V_PD> 3.4 V)

16. Regulation

Lost? (V_FB< 1.85 V

for 35 ms)

21. Line OV?

(I_FB> 1.15 mA

for 2 Cycles)

Yes

10. Reset Latch

22. Brown-Out?

(I_FB< -100 µA

for 8 Cycles)

Yes

PI-6838-101812

17. Stop Switching

23. Regulation

Lost? (V_FB< 1.85 V

for 35 ms)

18. Pause 150 ms

(Auto-Restart Off

Period t_AR(OFF)1

)

Yes

24. Stop Switching

19. AC Present?

(I_FB> -250 µA)

Yes

25. Pause 1500 ms

(Auto-Restart Off

Period t_AR(OFF)2

)

Figure 9. Line Sensing and Auto-Restart Flow Chart.

Rev. C 03/14

www.powerint.com

1...3 4 567 8 9...24

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