Cirrus-logic CRD1611A-8W Manuel d'utilisateur

Copyright  Cirrus Logic, Inc. 2013(All Rights Reserved)Cirrus Logic, Inc.http://www.cirrus.comTopBottomCRD1611A-8WCRD1611A-8W8 Watt Reference DesignF

CRD1611A-8W10 DS1014RD3Figure 7. Bottom Routing

CRD1611A-8WDS1014RD3 115. THERMAL IMAGINGFigure 8. Top ThermalFigure 9. Bottom Thermal

CRD1611A-8W12 DS1014RD36. DIMMER COMPATIBILITYPAR 16 Lamp with a CS1611A (230V/50Hz)Date 9/5/2013 Power Factor1,50.907Vendor Cirrus Logic IEC-61000-3-

CRD1611A-8WDS1014RD3 13Notes: 1. Tested at nominal input voltage, nominal input frequency and without a dimmer after soaking for 15 minutes2. Complian

CRD1611A-8W14 DS1014RD37. INDUCTOR CONSTRUCTIONThe CRD1611A-8W includes a critical conduction mode (CRM) boost converter that provides power factor co

CRD1611A-8WDS1014RD3 157.2 Flyback TransformerThe flyback transformer stage is a quasi-resonant peak current-regulated DC-DC converter capable of deli

CRD1611A-8W16 DS1014RD38. PERFORMANCE PLOTS00.10.20.30.40.50.620 40 60 80 100 120 140 160 180Output Current (A)Dim Angle (°)Figure 12. Typical Output

CRD1611A-8WDS1014RD3 17Figure 14. Output Current vs. Line Voltage, 207VAC to 253VAC0.000.200.400.600.801.00200 210 220 230 240 250 260Output Current

CRD1611A-8W18 DS1014RD3Figure 16. Power Factor vs. Line Voltage, 207VAC to 253VAC0.600.650.700.750.800.850.900.951.00200 210 220 230 240 250 260Power

CRD1611A-8WDS1014RD3 19Figure 17. No-dimmer Mode, Startup, 230VACFigure 18. No-dimmer Mode, Steady-state, 230VAC

CRD1611A-8W2 DS1014RD3Contacting Cirrus Logic SupportFor all product questions and inquiries contact a Cirrus Logic Sales Representative. To find the

CRD1611A-8W20 DS1014RD3Figure 19. Boost FET Q2 WaveformFigure 20. Flyback FET Q4 Waveform

CRD1611A-8WDS1014RD3 21Figure 21. ILED at Maximum Dim Angle, Turn-on WaveformsFigure 22. ILED at Medium Dim Angle, Turn-on Waveforms

CRD1611A-8W22 DS1014RD3Figure 23. ILED at Minimum Dim Angle, Turn-on Waveforms

CRD1611A-8WDS1014RD3 239. CONDUCTED EMIDevice Under Test: CRD1611A-8W-Z Operating Conditions: NOMNIALTest Specification: IEC 61000-3-2 Operator Name:

CRD1611A-8W24 DS1014RD310.HARMONIC CONTENTFigure 25. Harmonic Content0510152025303rd 5th 7th 9th 11th 13th 15th 17th 19th 21st 23rd 25th 27th 29th 31

CRD1611A-8WDS1014RD3 2511.REVISION HISTORYRevision Date ChangesRD1 FEB 2013Initial releaseRD2 MAR 2013Context clarificationRD3 SEP 2013PCBA revision B

CRD1611A-8WDS1014RD3 31. INTRODUCTIONThe CS1611A is a 230VAC quasi-resonant flyback mode dimmable LED controller IC. The CS1611A uses a digitalcontrol

CRD1611A-8W4 DS1014RD32. SCHEMATICFigure 1. Schematic=5(9%-&0-&0SHEETOFSHEETENGINEERDATEDRAWN BYPART #SHEET7/26/2013CRD1611A-8

CRD1611A-8WDS1014RD3 53. BILL OF MATERIALS Item RevDescripƟon Qty Reference Designator MFG MFG P/N1DIODE RECT 400V 0.8A NPB MINIDIP 1 BR1 DIODES INC H

CRD1611A-8W6 DS1014RD34. BOARD LAYOUTFigure 3. PCB Dimensions

CRD1611A-8WDS1014RD3 7Figure 4. Top Silkscreen

CRD1611A-8W8 DS1014RD3Figure 5. Bottom Silkscreen

CRD1611A-8WDS1014RD3 9Figure 6. Top Routing