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CYT1000B Datasheet(PDF) 7 Page - List of Unclassifed Manufacturers

Part No. CYT1000B
Description  Output current is adjustable 5mA-60mA,constant current precision
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Maker  ETC2 [List of Unclassifed Manufacturers]

 7 page
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CYT Opto-Electronic Technology Co.,Ltd. -CYT1000B
Website: www.cyt.com.cn
- 7 -
Integration of T8 fluorescent lamp scheme (0.5 90% efficiency without
stroboscopic PF)
2,PF value of 0.9 80% efficiency low cost solution
In the scenario above:
Input voltage is AC220V LED series voltage control between 220-240v,
low voltage LED lamp string increases IC loss, reduce the power conversion
efficiency. This plan line PF value around 0.9;When the LED lamp bead
amount is small, by choosing the appropriate value of capacitance step-down
and adjusting the constant current value, can achieve the best power efficiency
and PF value, suitable for 3-5 w light source module;
Capacitance C2 to filter the light bead on both ends of the voltage, solve

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