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ON Semiconductor NCL30073LED1GEVB User Manual

15 w high power factor led driver evaluation board
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NCL30073LED1GEVB
15 W High Power Factor
LED Driver Evaluation Board
User's Manual
Overview
This manual covers the specification, theory of operation,
testing and construction of the NCL30073LED1GEVB
evaluation board. The NCL30073 board demonstrates a
15 W high PF flyback LED driver for a typical downlight
application.
Key Features
The key features of this evaluation board include:
•
Low Parts Count
•
TRIAC Dimmer compatible
•
High Power Factor
•
Integrated Fault Protection
Over Temperature on board (a PCB mounted PTC)
♦
Output Over Current
♦
Output Over Voltage
♦
© Semiconductor Components Industries, LLC, 2017
August, 2017 − Rev. 0
Table 1. SPECIFICATIONS
Input voltage
Line Frequency
Power Factor (100% Load)
Output Voltage
Output Ripple
Output Current
Efficiency
Start Up Time
Figure 1. Evaluation Board Photo
1
www.onsemi.com
EVAL BOARD USER'S MANUAL
108 − 132 V ac
60 Hz
0.9
36 V dc
13%
415 mA dc
85.7%
< 100 msec
Publication Order Number:
Min
Pk − Pk
± 5%
Typ.
Typ.
EVBUM2502/D

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Summary of Contents for ON Semiconductor NCL30073LED1GEVB

  • Page 1 User's Manual Overview www.onsemi.com This manual covers the specification, theory of operation, testing and construction of the NCL30073LED1GEVB EVAL BOARD USER’S MANUAL evaluation board. The NCL30073 board demonstrates a 15 W high PF flyback LED driver for a typical downlight application.

  • Page 2: Theory Of Operation

    NCL30073LED1GEVB THEORY OF OPERATION Power Stage provides for a constant power control over a large portion of The power stage is a flyback design. The power stage the input waveform. The resistor divider of R27 and R29 operates as a fixed frequency DCM power stage. The DCM provides some wave shaping to improve the power factor.
  • Page 3 NCL30073LED1GEVB SCHEMATIC +HVDC_iso AC_L 390nF 250V 4.7mH 150nF 250V MOV 130V − Rdamp MB6S AC_N Figure 3. Input Circuit +HVDC_iso Dout LED+ MURA160T3G MURS240T3G 1SMB5956B Cout 1000uF 50V 220k 412k BAS21DW5T1G LED− NDD60N900U1T4G Gdrv CVcc 10uF 100V 2.2nF NCL30073 1uF 50V...

  • Page 4: Bill Of Material

    NCL30073LED1GEVB 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 1000 mF 50 V Vishay MAL214251102E3 Digikey 4603PHBK−ND...
  • Page 5 NCL30073LED1GEVB GERBER VIEWS Figure 5. Top Side PCB www.onsemi.com...
  • Page 6 NCL30073LED1GEVB Figure 6. PCB Outline Circuit Board Fabrication Notes 1. Fabricate per IPC−6011 and IPC6012. Inspect to 11. Size tolerance of plated holes: ± 0.003 in. : non−plated holes ± 0.002 in. IPA−A−600 Class 2 or updated standard. 12. All holes shall be ± 0.003 in. of their true position 2.
  • Page 7 NCL30073LED1GEVB ECA PICTURES Figure 7. Top View www.onsemi.com...

  • Page 8: Test Procedure

    NCL30073LED1GEVB TEST PROCEDURE Equipment Needed Test Connections • 1. Connect the LED Load to the red(+) and black(−) AC Source – 90 to 140 V ac 60 Hz Minimum 100 W leads through the ammeter shown in Figure 10. capability Caution: Observe the correct polarity or the •...
  • Page 9 NCL30073LED1GEVB TEST DATA Figure 9. Power Factor Over Line Figure 10. THD Over Line www.onsemi.com...
  • Page 10 NCL30073LED1GEVB Figure 11. Efficiency Figure 12. Regulation Over Line www.onsemi.com...
  • Page 11 NCL30073LED1GEVB Figure 13. Start Up with AC Applied 120 V Figure 14. Output Ripple 13% Pk − Pk www.onsemi.com...
  • Page 12 NCL30073LED1GEVB R24, R29, R30 Figure 15. Dout Figure 16. Thermal Image SMT Side www.onsemi.com...

  • Page 13: Additional Information

    onsemi, , and other names, marks, and brands are registered and/or common law trademarks of Semiconductor Components Industries, LLC dba “onsemi” or its affiliates and/or subsidiaries in the United States and/or other countries. onsemi owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of onsemi’s product/patent coverage may be accessed at www.onsemi.com/site/pdf/Patent−Marking.pdf.

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