Summary of Contents for ON Semiconductor NCL30073LED4GEVB
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User's Manual Overview www.onsemi.com This manual covers the specification, theory of operation, testing and construction of the NCL30073LED4GEVB EVAL BOARD USER’S MANUAL evaluation board. The NCL30073 board demonstrates a 15 W high PF buck boost LED driver for a typical downlight application.
NCL30073LED4GEVB THEORY OF OPERATION Power Stage The power stage operates as a fixed frequency DCM The power stage is a flying buck boost design. In this power stage. The DCM allows for no forced commutation configuration, drain of the switching FET is connected to the of the output diode for good EMI performance.
NCL30073LED4GEVB BILL OF MATERIAL Table 2. BILL OF MATERIAL Refer- Distributor Manufacturer Substitution ence Part Distributor Part Number Manufacturer Part Number Allowed CVcc 10 mF 100 V Rubycon 100YXJ10M5X11 Digikey 1189−2150−ND Cout 100 mF 100 V Nichicon UVK2A101MPD Digikey UVK2A101MPD−ND...
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NCL30073LED4GEVB GERBER VIEWS Figure 5. Top Side PCB www.onsemi.com...
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NCL30073LED4GEVB Figure 6. PCB Outline Circuit Board Fabrication Notes 11. Size tolerance of plated holes: ± 0.003 in. : 1. Fabricate per IPC−6011 and IPC6012. Inspect to non−plated holes ± 0.002 in. IPA−A−600 Class 2 or updated standard. 2. Printed Circuit Board is defined by files listed in 12.
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NCL30073LED4GEVB ECA PICTURES Figure 7. Top View www.onsemi.com...
NCL30073LED4GEVB TEST PROCEDURE Equipment Needed Test Connections • 1. Connect the LED Load to the red(+) and black(−) AC Source – 200 to 260 V ac 50 Hz Minimum 100 W leads through the ammeter shown in Figure 10. capability Caution: Observe the correct polarity or the •...
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NCL30073LED4GEVB TEST DATA Figure 9. Power Factor Over Line Figure 10. THD Over Line www.onsemi.com...
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NCL30073LED4GEVB Figure 11. Efficiency Figure 12. Regulation Over Line www.onsemi.com...
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NCL30073LED4GEVB Figure 13. Start Up with AC Applied 230 V Figure 14. Output Ripple 75% Pk − Pk www.onsemi.com...
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FDA Class 3 medical devices or medical devices with a same or similar classification in a foreign jurisdiction or any devices intended for implantation in the human body. Should Buyer purchase or use ON Semiconductor products for any such unintended or unauthorized...
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