Copyright  Cirrus Logic, Inc. 2013(All Rights Reserved)Cirrus Logic, Inc.http://www.cirrus.comCDB1611A-8WCDB1611A-8W 8 Watt Demonstration BoardFeatur

CDB1611A-8W10 DS1013DB35. DIMMER COMPATIBILITYPAR 16 Lamp with a CS1611A (230V/50Hz)Date 9/5/2013 Power Factor1,50.907Vendor Cirrus Logic IEC-61000-3-

CDB1611A-8WDS1013DB3 11Notes: 1. Tested at nominal input voltage, nominal input frequency and without a dimmer after soaking for 15 minutes2. Complian

CDB1611A-8W12 DS1013DB36. INDUCTOR CONSTRUCTIONThe CDB1611A-8W includes a critical conduction mode (CRM) boost converter that provides power factor co

CDB1611A-8WDS1013DB3 136.2 Flyback TransformerThe flyback transformer stage is a quasi-resonant peak current-regulated DC-DC converter capable of deli

CDB1611A-8W14 DS1013DB37. PERFORMANCE PLOTS00.10.20.30.40.50.620 40 60 80 100 120 140 160 180Output Current (A)Dim Angle (°)Figure 9. Typical Output

CDB1611A-8WDS1013DB3 15Figure 11. Output Current vs. Line Voltage, 207VAC to 253VAC0.00.20.40.60.81.0200 210 220 230 240 250 260Output Current (A)Lin

CDB1611A-8W16 DS1013DB3Figure 13. Power Factor vs. Line Voltage, 207VAC to 253VAC0.600.650.700.750.800.850.900.951.00200 210 220 230 240 250 260Power

CDB1611A-8WDS1013DB3 17Figure 14. No-dimmer Mode, Startup, 230VACFigure 15. No-dimmer Mode, Steady-state, 230VAC

CDB1611A-8W18 DS1013DB3Figure 16. Boost FET Q1 WaveformFigure 17. Flyback FET Q3 Waveform

CDB1611A-8WDS1013DB3 19Figure 18. ILED at Maximum Dim Angle, Turn-on WaveformsFigure 19. ILED at Medium Dim Angle, Turn-on Waveforms

CDB1611A-8W2 DS1013DB3Contacting Cirrus Logic SupportFor all product questions and inquiries contact a Cirrus Logic Sales Representative. To find the

CDB1611A-8W20 DS1013DB3Figure 20. ILED at Minimum Dim Angle, Turn-on Waveforms

CDB1611A-8WDS1013DB3 218. REVISION HISTORYRevision Date ChangesDB1 FEB 2013 Initial releaseDB2 MAR 2013 Context clarificationDB3 SEP 2013 PCBA revisio

CDB1611A-8WDS1013DB3 31. INTRODUCTIONThe CS1611A is a 230VAC quasi-resonant flyback mode dimmable LED controller IC. The CS1611A uses a digitalcontrol

CDB1611A-8W4 DS1013DB32. SCHEMATICFigure 1. Schematic=5(9%-&0-&06+((72)6+((7(1*,1((5'$7('5$:1%<3$576

CDB1611A-8WDS1013DB3 53. BILL OF MATERIALSItem Rev DescripƟon Qty Reference Designator MFG MFG P/N1 WIRE JUMPER BLACK 24AWG SOLID 1 A1 ALPHA WIRE COMP

CDB1611A-8W6 DS1013DB34. BOARD LAYOUTFigure 3. PCB Dimensions

CDB1611A-8WDS1013DB3 7Figure 4. Top Silkscreen

CDB1611A-8W8 DS1013DB3Figure 5. Top Routing

CDB1611A-8WDS1013DB3 9Figure 6. Bottom Routing