Cirrus-logic CDB1610-8W Instrukcja Użytkownika Pobierz pdf

Cirrus Logic, Inc.

http://www.cirrus.com

CDB1610-8W

8 Watt Demonstration Board

Features

• Quasi-resonant Flyback with Constant-current Output

• Flicker-free Dimming

• Line Voltage 120VAC, ±10%

• Rated Input Power: 8.3W

• Rated Output Power: 7.0W

• Efficiency: 84% at 460mA, for 5

LEDs in series

• Low Component Count

• Supports Cirrus Logic Product CS1610

General Description

The CDB1610-8W reference design demonstrates the

performance of the CS1610 resonant mode AC/DC

dimmable LED driver IC with a 460mA output driving

5LEDs in series

. It offers best-in-class dimmer

compatibility with leading-edge, trailing-edge, and digital

dimmers.

DIMENSIONS (OVERALL)

Length Width Height

For more information, see Figure 3.

ORDERING INFORMATION

CDB1610-8W-Z 8 Watt Reference Design

Supports CS1610

3.62 91.9mm2.54 64.5mm1.108 28mm

FEB ‘13

DS977DB4

1 2 3 4 5 6 ... 20 21

Podsumowanie treści

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CDB1610-8W10 DS977DB45. DIMMER COMPATIBILITY - CS1610 (108V - 132V)Input Power 8.3W Dimmer Compatibility 836/888 Efficiency 84.3%Date12/19/2011 Power

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CDB1610-8WDS977DB4 11Notes: 1. Tested at nominal input voltage, nominal input frequency and without a dimmer after soaking for 15 minutes2. Tested at

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CDB1610-8W12 DS977DB46. INDUCTOR CONSTRUCTIONThe CDB1610-8W includes a critical conduction mode (CRM) boost converter that provides power factor corre

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CDB1610-8WDS977DB4 136.2 Flyback TransformerThe flyback transformer stage is a quasi-resonant current-regulated DC-DC Converter capable of delivering

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CDB1610-8W14 DS977DB47. PERFORMANCE PLOTS 00.10.20.30.40.520 40 60 80 100 120 140 160 180Output Current (mA)Dim Angle (°)Figure 9. Typical Output C

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CDB1610-8WDS977DB4 150.000.200.400.600.801.00100 110 120 130 140Output Current (A)Line Voltage (V)Figure 11. Output Current vs. Line Voltage, 108VAC

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CDB1610-8W16 DS977DB40.600.650.700.750.800.850.900.951.00100 110 120 130 140Power FactorLine Voltage (V)Figure 13. Power Factor vs. Line Voltage, 108

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CDB1610-8WDS977DB4 17Figure 14. No-dimmer Mode, Startup 120 VACFigure 15. No-dimmer Mode, Steady-state, 120VAC

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CDB1610-8W18 DS977DB4Figure 16. Boost FET, Q1, WaveformFigure 17. Flyback FET, Q3, Waveform

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CDB1610-8WDS977DB4 19Figure 18. ILED at Maximum Dim Angle, Turn-on WaveformsFigure 19. ILED at Medium Dim Angle, Turn-on Waveforms

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CDB1610-8W2 DS977DB4Contacting Cirrus Logic SupportFor all product questions and inquiries contact a Cirrus Logic Sales Representative. To find the on

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CDB1610-8W20 DS977DB4Figure 21. ILED at Minimum Dim Angle, Turn-on Waveforms

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CDB1610-8WDS977DB4 218. REVISION HISTORYRevision Date ChangesDB1 FEB 2012 Initial Release.DB2 FEB 2012 Change to schematic and BOM.DB3 AUG 2012 Update

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CDB1610-8WDS977DB4 31. INTRODUCTIONThe CS1610 is a 120VAC quasi-resonant flyback mode dimmable LED controller IC. The CS1610 uses a digital con-trol a

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CDB1610-8W4 DS977DB42. SCHEMATIC=5HY%-&0-&06+((72)6+((7(1*,1((5'$7('5$:1%<

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CDB1610-8WDS977DB4 53. BILL OF MATERIALSFigure 2. Bill of MaterialsItem Rev Description Qty Reference Designator MFG MFG P/N1AWIRE 24 AWG SOLID PVC I

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CDB1610-8W6 DS977DB44. BOARD LAYOUTFigure 3. PCB Dimensions

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CDB1610-8WDS977DB4 7Figure 4. Top Silkscreen

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CDB1610-8W8 DS977DB4Figure 5. Top Routing

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CDB1610-8WDS977DB4 9Figure 6. Bottom Routing