CRD1611-8W CRD1611-8W 8 Watt Reference Design Features General Description * Quasi-resonant Flyback with Constant-current Output The CRD1611-8W reference design demonstrates the performance of the CS1611 resonant mode AC/DC dimmable LED driver IC with a 550mA output driving 4 LEDs in series. It offers best-in-class dimmer compatibility with leading-edge, trailing-edge, and digital dimmers. The form factor is targeted to fit into many LED bulb applications (A19, PAR). * Flicker-free Dimming * Line Voltage 230VAC, 10% * Rated Input Power: 8.0W * Rated Output Power: 6.6W DIMENSIONS (OVERALL) * Output Voltage: 11.0V to 12.6V Length Width Height * Efficiency: 83% at 550mA, for 4 LEDs in series 2.284 58mm 1.181 29.9mm 0.652 16.5mm * Low Component Count For more information, see Figure 3. * Supports Cirrus Logic Product CS1611 ORDERING INFORMATION CRD1611-8W-Z 8 Watt Reference Design Supports CS1611 Top Bottom Cirrus Logic, Inc. http://www.cirrus.com Copyright Cirrus Logic, Inc. 2013 (All Rights Reserved) FEB`12 DS975RD5 CRD1611-8W IMPORTANT SAFETY INSTRUCTIONS Read and follow all safety instructions prior to using this demonstration board. This Engineering Evaluation Unit or Demonstration Board must only be used for assessing IC performance in a laboratory setting. This product is not intended for any other use or incorporation into products for sale. This product must only be used by qualified technicians or professionals who are trained in the safety procedures associated with the use of demonstration boards. Risk of Electric Shock * The direct connection to the AC power line and the open and unprotected boards present a serious risk of electric shock and can cause serious injury or death. Extreme caution needs to be exercised while handling this board. * Avoid contact with the exposed conductor or terminals of components on the board. High voltage is present on exposed conductor and it may be present on terminals of any components directly or indirectly connected to the AC line. * Dangerous voltages and/or currents may be internally generated and accessible at various points across the board. * Charged capacitors store high voltage, even after the circuit has been disconnected from the AC line. * Make sure that the power source is off before wiring any connection. Make sure that all connectors are well connected before the power source is on. * Follow all laboratory safety procedures established by your employer and relevant safety regulations and guidelines, such as the ones listed under, OSHA General Industry Regulations - Subpart S and NFPA 70E. Suitable eye protection must be worn when working with or around demonstration boards. Always comply with your employer's policies regarding the use of personal protective equipment. All components and metallic parts may be extremely hot to touch when electrically active. Contacting Cirrus Logic Support For all product questions and inquiries contact a Cirrus Logic Sales Representative. To find the one nearest to you go to www.cirrus.com IMPORTANT NOTICE Cirrus Logic, Inc. and its subsidiaries ("Cirrus") believe that the information contained in this document is accurate and reliable. However, the information is subject to change without notice and is provided "AS IS" without warranty of any kind (express or implied). Customers are advised to obtain the latest version of relevant information to verify, before placing orders, that information being relied on is current and complete. All products are sold subject to the terms and conditions of sale supplied at the time of order acknowledgment, including those pertaining to warranty, indemnification, and limitation of liability. No responsibility is assumed by Cirrus for the use of this information, including use of this information as the basis for manufacture or sale of any items, or for infringement of patents or other rights of third parties. This document is the property of Cirrus and by furnishing this information, Cirrus grants no license, express or implied under any patents, mask work rights, copyrights, trademarks, trade secrets or other intellectual property rights. Cirrus owns the copyrights associated with the information contained herein and gives consent for copies to be made of the information only for use within your organization with respect to Cirrus integrated circuits or other products of Cirrus. This consent does not extend to other copying such as copying for general distribution, advertising or promotional purposes, or for creating any work for resale. CERTAIN APPLICATIONS USING SEMICONDUCTOR PRODUCTS MAY INVOLVE POTENTIAL RISKS OF DEATH, PERSONAL INJURY, OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE ("CRITICAL APPLICATIONS"). CIRRUS PRODUCTS ARE NOT DESIGNED, AUTHORIZED OR WARRANTED FOR USE IN PRODUCTS SURGICALLY IMPLANTED INTO THE BODY, AUTOMOTIVE SAFETY OR SECURITY DEVICES, LIFE SUPPORT PRODUCTS OR OTHER CRITICAL APPLICATIONS. INCLUSION OF CIRRUS PRODUCTS IN SUCH APPLICATIONS IS UNDERSTOOD TO BE FULLY AT THE CUSTOMER'S RISK AND CIRRUS DISCLAIMS AND MAKES NO WARRANTY, EXPRESS, STATUTORY OR IMPLIED, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR PARTICULAR PURPOSE, WITH REGARD TO ANY CIRRUS PRODUCT THAT IS USED IN SUCH A MANNER. IF THE CUSTOMER OR CUSTOMER'S CUSTOMER USES OR PERMITS THE USE OF CIRRUS PRODUCTS IN CRITICAL APPLICATIONS, CUSTOMER AGREES, BY SUCH USE, TO FULLY INDEMNIFY CIRRUS, ITS OFFICERS, DIRECTORS, EMPLOYEES, DISTRIBUTORS AND OTHER AGENTS FROM ANY AND ALL LIABILITY, INCLUDING ATTORNEYS' FEES AND COSTS, THAT MAY RESULT FROM OR ARISE IN CONNECTION WITH THESE USES. Cirrus Logic, Cirrus, the Cirrus Logic logo designs, EXL Core, the EXL Core logo design, TruDim, and the TruDim logo design are trademarks of Cirrus Logic, Inc. All other brand and product names in this document may be trademarks or service marks of their respective owners. 2 DS975RD5 CRD1611-8W 1. INTRODUCTION The CS1611 is a 230VAC quasi-resonant flyback mode dimmable LED controller IC. The CS1611 uses a digital control algorithm that is optimized for high efficiency and >0.9 power factor over an input voltage range (207VAC to 253VAC). The CS1611 integrates a critical conduction mode (CRM) boost converter that provides power factor correction and dimmer compatibility with a constant output current, quasi-resonant flyback stage. An adaptive dimmer compatibility algorithm controls the boost stage and dimmer compatibility operation mode to enable flicker-free operation to <2% output current with leading-edge, trailing-edge, and digital dimmers. The CRD1611-8W board is optimized to deliver low system cost in a high-efficiency, flicker-free, phase-dimmable, solid-state lighting (SSL) solution for incandescent lamp replacement applications. The feedback loop is closed through an integrated digital control system within the IC. The variation in switching frequency also provides a spread-frequency spectrum, thus minimizing the conducted EMI filtering requirements. Protection algorithms such as output open/short, current-sense resistor open/short, and overtemperature thermistors protect the system during abnormal conditions. Details of these features are provided in the CS1611 data sheet. The CRD1611-8W board demonstrates the performance of the CS1611. This reference board has been designed for an output load of 4 LEDs in series at 550mA (12.0V typical). This document provides the schematic for the board. It includes oscilloscope screen shots that indicate various operating waveforms. Graphs are also provided that document the performance of the board in terms of Efficiency vs. Line Voltage, Output Current vs. Line Voltage, and Output Current vs. Dim Angle for the CS1611 dimmable LED controller IC. Extreme caution needs to be exercised while handling this board. This board is to be used by trained professionals only. DS975RD5 3 ECO 4.7K 915 L3 RM05-CL01 L1 4.7mH E1 F1 1A 4 BR1 HD04-T 3 LINE - C1 1 2 4 5 C4 ELEC 4.7uF R11 CHANGED U1 PIN 6 & 7 PINNAMES TO NC 2200pF T1 RM06-CL01 3 A7 4 04/30/12 D3 2 E3 1 LED+ SS26-TP C5 ELEC 100uF R5 27K 1% E4 B8 LED- 1 D2 STTH1L06A 12/22/11 1/6/12 CHANGED C5 TO EL LO ESR Z2 P6KE350A 300V 22.1K 2 2 L2 4.7mH Q3 FQN1N50CTA R3 4.7K R10 22 OHM R7 1.50M R14 1.50M C9 X7R 0.33uF C2 0.1UF D5 BAV23S-7-F R8 1.50M 2W 2K R4 R22 69.8K R15 1.50M R24 47 OHM Q2 STD1NK60T4 5 D6 SBR130S3-7 30V 3 CLAMP 47 OHM Q4 STD1NK80ZT4 G 14 6 EOTP NC NC 8 7 VDD Q1 ZVN4106FTA R13 120K C10 X7R 1.0UF 15 R20 11 1K 10 FBGAIN R12 51 OHM R18 14.0K 9 D8 SBR130S3-7 30V FBSENSE THERM C8 X7R 2.2uF FBAUX SOURCE SGND Z1 SMAZ16-TP 16V R19 U1 CS1611-FSZ 1N4148W GND 47 OHM 13 S 12 R9 D GD IAC IPK D4 BSTOUT BSTAUX 1 16 C6 ELEC 22uF 2 D7 S1G-13-F A3 1 C12 X7R 0.01UF 4.7K A2 959 C11 C0G 47pF R6 2K 2W PAD R2 917 CY 0.033UF 4 E2 CHANGED R21 TO A 10_5 OHM RES. ADDED C12 FOR ASSEMBLY CHANGE R16 2K 2W 2 NEUTRAL 11/18/11 A1 D1 STTH1R06 C3 4700pF DATE ONLY. NOT REFLECTED IN CURRENT PCB AS A C12 FOOTPRINT. R17 22.1K -t + 1 DESCRIPTION INITIAL RELEASE 2 R1 REV A.0 1 4 2. SCHEMATIC NTC 100K C7 COG 100pF R21 10.5 R23 5.6K NOTES: UNLESS OTHERWISE SPECIFIED: 1. ALL RESISTOR VALUES ARE IN OHMS. PCB DWG- 240-00543-Z1 ASSY DWG- 603-00543-Z1 SCHEMATIC DWG 600-00543-Z1 LBL SUBASSY PROD ID AND REV SCH.,CRD1611-8W-Z PART # 600-00543-Z1_Rev_A3 DRAWN BY JW DATE 4/30/2012 ENGINEER SHEET JW 1 OF 1 SHEET SIZE B DS975RD5 CRD1611-8W Figure 1. Schematic SHEET TITLE CRD1611-8W 3. BILL OF MATERIALS _ _ Item 1 2 3 4 5 6 7 8 9 10 11 12 12a 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 Rev A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A B1 A A Description DIODE RECT 400V 0.8A NPB MINIDIP CAP 4700PF 10% 1000V X7R NPb 1206 CAP 0.1UF 5% 400V MTL FLM RAD CAP 0.033uF 10% 400V MTL NPb RAD CAP 4.7uF 450V 20% NPb RAD 10x20 CAP 100uF 20% 25V EL LO ESR NPb RD CAP 22uF 20% 35V ELEC NPb RAD CAP 100pF 5% 50V C0G NPb 0603 CAP 2.2uF 10% 25V X7R NPb 0805 CAP 0.33UF 10% 50V X7R NPb 0603 CAP 1.0uF 10% 25V X7R NPb 0603 CAP 47pF 5% 1000V C0G NPb 1206 CAP 0.01uF 10% 630V X7R NPb 1206 CAP 2200PF +80/-20% 2KV CER NPb RAD DIODE FAST 600V 1A NPb DO-41 DIODE ULT FAST 600V 1A NPb SMA DIODE SKY RECT 60V 2A NPb DO-214AC DIODE FAST SW 75V 350mW NPb SOD123 DIODE SWT 250V 0.4A NPb SOT-23 DIODE RECT 30V 1A NPb SOD-323 DIODE RECT 400V 1A NPb SMA FUSE 1A 250V TLAG NPb RAD IND 4.7mH 10% 17.6 OHM 350 DIA TH XFMR 6.8mH 10% 10KHz NPb TH THERM 100K OHM 5% 0.10mA NPb 0603 TRAN MOSFET nCH 60V.2A NPb SOT23-3 TRAN MOSFET nCH 1.0A 600V NPb DPAK TRAN MOSFET nCH 0.38A 500V NPb TO92 TRAN MOSFET nCH 1A 800V NPb DPAK RES 4.7k OHM 1/4W 5% 1206 FILM RES 4.70K OHM 1/10W 1% NPb 0603 RES PWR 2.0K OHM 2W 5% NPb AXL RES 27K OHM 1/8W 1% NPb 0805 RES 1.50M OHM 1/4W 1% NPb 1206 RES 47 OHM 1/10W 1% NPb 0603 RES 22.0 OHM 1/10W 1% NPb 0603 RES 22.1k OHM 1/10W 1% NPb 0603 RES 51.0 OHM 1/10W 1% NPb 0603 RES 120K OHM 1/10W 1% NPb 0603 RES 14k OHM 1/10W 1% NPB 0603 FILM RES 1k OHM 1/10W 1% NPb 0603 FILM RES 10.5 OHM 1/4W 1% NPb 1206 RES 69.8k OHM 1/10W 1% NPb 0603 RES 5.6k OHM 1/10W 5% NPb 0603 FLM XFMR 14.5mH 10% 10KHz NPb TH IC CRUS DIMMER LED DRVR NPb SOIC16 DIODE ZENER 16V 1W NPb DO-214AC DIODE TVS 300V 600W NPb DO-204AC Qty 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 2 1 1 1 1 1 1 2 1 3 1 4 3 1 2 1 1 1 1 1 1 1 1 1 1 1 Reference Designator BR1 C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 C11 C12 CY D1 D2 D3 D4 D5 D6 D8 D7 F1 L1 L2 L3 NTC Q1 Q2 Q3 Q4 R1 R2 R3 R4 R6 R16 R5 R7 R8 R14 R15 R9 R19 R24 R10 R11 R17 R12 R13 R18 R20 R21 R22 R23 T1 U1 Z1 Z2 MFG DIODES INC MURATA Panasonic PANASONIC PANASONIC-ECG PANASONIC PANASONIC KEMET MURATA TDK MURATA JOHANSON DIELECTRICS MURATA MURATA ST ST MICROELECTRONICS MICRO COMMERCIAL(MCC) DIODES INC DIODES INC DIODES INC DIODES INC LITTLE FUSE COILCRAFT KUNSHAN EAGERNESS MURATA DIODES INC ST MICROELECTRONICS FAIRCHILD ST MICROELECTRONICS DALE PANASONIC VISHAY PANASONIC PANASONIC PANASONIC PANASONIC DALE PANASONIC PANASONIC DALE DALE DALE DALE DALE KUNSHAN EAGERNESS CIRRUS LOGIC MICRO COMMERCIAL LITTELFUSE MFG P/N HD04-T GRM31BR73A472KW01L ECQE4104JF ECQE4333KF ECA2WHG4R7 EEUFM1E101 EEA-GA1V220H C0603C101J5GAC GRM21BR71E225KA73L C1608X7R1H334K GRM188R71E105KA12D 102R18N470JV4E GRM31BR72J103KW01L DEBE33D222ZA2B STTH1R06 STTH1L06A SS26-TP 1N4148W-7-F BAV23S-7-F SBR130S3-7 S1G-13-F 39211000440 RFB0807-472L RM05-CL01 NCP18WF104J03RB ZVN4106FTA STD1NK60T4 FQN1N50CTA STD1NK80ZT4 CRCW1206472J ERJ3EKF4701V PR02000202001JR500 ERJ6ENF2702V ERJ8ENF1504V ERJ3EKF47R0V ERJ3EKF22R0V CRCW060322K1FKEA ERJ3EKF51R0V ERJ3EKF1203V CRCW060314K0FKEA CRCW06031K00FKEA CRCW120610R5FKEA CRCW060369K8FKEA CRCW06035K60JNEA RM06-CL01 CS1611-FSZ/B1 SMAZ16-TP P6KE350A Figure 2. Bill of Materials DS975RD5 5 6 4. BOARD LAYOUT 1 1 2 1 2 2 1 2 2 2 1 8 4 4 5 1 1 2 3 2 7 1 1 2 2 1 1 2 2 3 2 1 2 1 2 1 CRD1611-8W DS975RD5 Figure 3. PCB Dimensions 1 DS975RD5 7 CRD1611-8W Figure 4. Top Silkscreen 8 Capacitor C12 added between D7 and R1 CRD1611-8W DS975RD5 Figure 5. Bottom Silkscreen DS975RD5 9 CRD1611-8W Figure 6. Top Routing 10 CRD1611-8W DS975RD5 Figure 7. Bottom Routing CRD1611-8W 5. THERMAL IMAGING Figure 8. Top Thermal Figure 9. Bottom Thermal DS975RD5 11 CRD1611-8W 6. DIMMER COMPATIBILITY - PAR 16 WITH CS1611 (220V - 240V) Input Power 7.7W Date 972/1008 Efficiency Dimmer Compatibility 82.9% Power Factor1,6 12/20/2011 0.90 (Y/N) 3,6 Vendor Cirrus Logic IEC-61000-3-2 Compliant Input Voltage 230V EN55015 Compliant (Y/N) Y Form Factor PAR 16 Nominal Input Power (W)1,6 7.7 Model # CRD1611-8W Maximum Input Power (W)2,6 8.8 Y 1,4 11.8 IC CS1611 Output Voltage (V) Topology Boost/Flyback Output Current (mA)1,4 540 Isolation (Y/N) Y Output Current Ripple 120Hz (mA)1,5 0 Compatibility Spec. 1.0 Output Power (W)1,6 6.4 Efficiency (%) 82.9 Dimmer Type Berker - Leading/Trailing Edge Flicker Free Steady-state Monotonic Dimming Max Iout (mA) Min Iout (mA) # of Lamps # of Lamps # of Lamps # of Lamps Total 1 5 10 1 5 10 1 5 10 1 5 10 Y Y N Y Y N 478 479 476 10 9 220 17 Bticino - Trailing Edge Y Y Y Y Y Y 270 241 212 9 9 10 21 Bull - Leading Edge Y Y Y Y Y Y 476 477 477 9 9 9 24 Busch - Leading Edge Y Y Y Y Y Y 476 477 476 9 9 9 24 Busch - Leading Edge Y Y Y Y Y Y 476 477 476 9 9 9 24 Busch - Trailing Edge Y Y Y Y Y Y 478 479 478 9 9 9 24 Busch - Trailing Edge Y Y Y Y Y Y 478 479 478 9 9 9 24 Chint New - Leading Edge Y Y Y Y Y Y 476 476 477 9 9 9 24 Chisen - Leading Edge Y Y Y Y Y Y 476 476 477 9 9 9 24 Chisen - Leading Edge Y N Y Y Y Y 476 476 477 9 9 9 19 Clipsal - Trailing Edge Y Y Y Y Y Y 476 476 476 9 9 9 24 Clipsal - Trailing Edge Y Y Y Y Y Y 476 476 475 9 9 9 24 Clipsal - Leading Edge Y Y Y Y Y Y 476 476 477 9 9 9 24 CLSEN - Leading Edge Y Y Y Y Y Y 476 476 476 9 8 9 24 Cshyh - Leading Edge Y Y Y Y Y Y 476 475 476 9 9 9 24 Dbang - Leading Edge Y Y Y Y Y Y 476 476 476 15 32 31 21 Elro - Twilight Sensor Y Y Y Y Y Y 475 475 474 0 0 0 24 Elro - Motion Sensor Y Y Y Y Y Y 475 476 474 0 0 0 24 Elro - Twilight Sensor Y Y Y Y Y Y 475 474 474 0 0 0 24 Futina - Leading Edge Y Y Y Y Y Y 476 476 477 9 10 10 24 Gangben - Leading Edge Gira - Leading Edge Y Y Y Y Y Y Y Y Y Y Y Y 500 477 500 477 500 476 10 11 10 11 10 12 24 24 Jung - Leading/Trailing Edge Y Y Y Y Y Y 478 479 476 9 9 20 23 12 DS975RD5 CRD1611-8W Dimmer Type Flicker Free Steady-state Monotonic Dimming Max Iout (mA) Min Iout (mA) # of Lamps # of Lamps # of Lamps # of Lamps Total 1 5 10 1 5 10 1 5 10 1 5 10 Legrand - Leading/Trailing Edge Y Y Y Y Y Y 476 477 477 9 9 9 24 Leiben - Leading Edge Y Y Y Y Y Y 476 475 476 9 12 12 24 Lonon - Leading Edge Y Y Y Y Y Y 475 475 476 9 9 9 24 Lutron - Leading Edge Y Y Y Y Y Y 476 477 476 9 9 9 24 Lutron - Leading Edge Y Y Y Y Y Y 421 423 420 9 9 9 21 Merten - Leading Edge Y Y Y Y Y Y 476 477 476 9 9 9 24 Merten - Trailing Edge Y Y Y Y Y Y 432 417 400 9 9 9 21 MK - Leading Edge Y Y Y Y Y Y 475 475 476 9 9 9 24 Opus - Leading Edge Y Y Y Y Y Y 476 477 475 27 25 27 21 Opus - Leading Edge Y Y Y Y Y Y 476 477 475 9 9 9 24 OVE - Trailing Edge Y Y N Y Y N 478 470 0 9 10 - 16 Siemens - Leading Edge Y Y Y Y Y Y 476 475 476 9 9 9 24 Songri - Leading Edge Y Y Y Y Y Y 476 475 476 9 12 10 24 T&J - Leading Edge Y Y Y Y Y Y 476 475 476 9 12 9 24 T&J - Leading Edge Y Y Y Y Y Y 475 475 476 10 9 9 24 TCL - Leading Edge Y Y Y Y Y Y 476 475 476 9 9 9 24 TNC - Leading Edge Y Y Y Y Y Y 475 475 476 9 9 9 24 Wuyun - Leading Edge Y Y Y Y Y Y 476 477 474 9 9 9 24 Wuyun - Trailing Edge Y Y Y Y Y Y 478 478 476 9 9 9 Overall Total Notes: 1. Tested at nominal input voltage, nominal input frequency and without a dimmer after soaking for 15 minutes 2. Tested at nominal input voltage, nominal input frequency and with a dimmer after soaking for 15 minutes 3. Compliant with IEC 61000-3-2 Class C < 25W 4. Average 5. Peak-to-peak 6. Measured with Chroma 66202 Power Analyzer DS975RD5 24 972 13 CRD1611-8W 7. INDUCTOR CONSTRUCTION The CRD1611-8W includes a critical conduction mode (CRM) boost converter that provides power factor correction and dimmer compatibility with a constant output current, quasi-resonant flyback stage. The following sections describe the boost and flyback inductors installed on the CRD1611-8W. 7.1 Boost Inductor The CS1611 uses an adaptive dimmer compatibility algorithm to control the boost inductor stage, which guarantees dimmer compatibility operation plus enables flicker-free operation with leading-edge, trailing-edge, and digital dimmers (dimmers with an integrated power supply). The boost auxiliary winding is used for zero-current detection (ZCD) and supplies power to the CS1611. 2 400T #37AWG (0.12mm) Primary 1 5 22T #37 AWG (0.12 mm) Auxillary 4 Figure 10. Boost Inductor Schematic 7.1.1 Electrical Specifications Characteristics conditions: * Operating temperature range: -25 C to +120 C (including coil heat) Parameter Condition Symbol Min Typ Max Unit LP 6.12 6.8 7.48 mH Boost Inductor Primary Inductance (Note 7) fresonant =10kHz, 0.3V at 20C Primary DC Resistance (Note 7) tDCR =20C 12 15 18 Auxiliary DC Resistance (Note 8) tDCR =20C 0.84 1.05 1.26 Notes: 14 7. 8. Measured across pins 1 and 2. Measured across pins 5 and 4. DS975RD5 CRD1611-8W 7.2 Flyback Transformer The flyback transformer stage is a quasi-resonant peak current-regulated DC-DC converter capable of delivering the highest possible efficiency with constant current output while minimizing line frequency ripple. The auxiliary winding is used for zero-current detection and overvoltage protection. 4 113T #36 AWG (0.13 mm) Primary 5 67 T # 36AWG (0.13mm) B 10T #27AWG (0.35mm) Secondary A 3 2 10 T # 36AWG (0.13mm) Auxiliary 1 Figure 11. Flyback Transformer Schematic 7.2.1 Electrical Specifications Characteristics conditions: * Operating temperature range: -25 C to +120 C (including coil heat) Parameter Condition Symbol Min Typ Max Unit - 4K - VRMS Flyback Transformer Electrical Strength (Note 9) Primary Inductance (Note 10) fresonant=10kHz, 0.3V at 20C LP 13.05 14.5 15.95 mH Primary Leakage Inductance (Note 10) fresonant=10kHz, 0.3V at 20C LK - 106 - H Primary DC Resistance (Note 10) tDCR =20C 5.25 7.0 8.75 Secondary DC Resistance (Note 11) tDCR =20C - 120 - m Auxiliary DC Resistance (Note 12) tDCR =20C - 400 - m Notes: 9. 10. 11. 12. DS975RD5 foperate=50/60Hz Time = 2sec. Measured across pins 3 and 4. Measured across pins B and A. Measured across pins 2 and 1. 15 CRD1611-8W 8. PERFORMANCE PLOTS 0.6 0.5 Output Current (A) 0.4 0.3 0.2 0.1 0 -0.1 20 40 60 80 100 120 140 160 180 Dim Angle () Figure 12. Typical Output Current vs. Dim Angle 12 10 Input Power (W) 8 6 4 2 0 20 40 60 80 100 120 140 160 180 Dim Angle () Figure 13. Typical Input Power vs. Dim Angle 16 DS975RD5 CRD1611-8W 1.00 Output Current (A) 0.80 0.60 0.40 0.20 0.00 200 210 220 230 240 250 260 Line Voltage (V) Figure 14. Output Current vs. Line Voltage 90 Efficiency (%) 80 70 60 50 200 210 220 230 240 250 260 Vin (VAC) Figure 15. Typical Efficiency vs. Line Voltage DS975RD5 17 CRD1611-8W 1.00 Power Factor 0.90 0.80 0.70 0.60 200 210 220 230 240 250 260 Vin (VAC) Figure 16. Power Factor vs. Line Voltage, 207VAC to 253VAC 18 DS975RD5 CRD1611-8W Figure 17. No-dimmer Mode, Startup 230VAC Figure 18. No-dimmer Mode, Steady-state, 230VAC DS975RD5 19 CRD1611-8W Figure 19. Boost FET, Q2, Waveform Figure 20. Flyback FET, Q4, Waveform 20 DS975RD5 CRD1611-8W Figure 21. ILED at Maximum Dim Angle, Turn-on Waveforms Figure 22. ILED at Medium Dim Angle, Turn-on Waveforms DS975RD5 21 CRD1611-8W Figure 23. ILED at Minimum Dim Angle, Turn-on Waveforms 22 DS975RD5 CRD1611-8W 9. CONDUCTED EMI Device Under Test: CRD1611-8W-Z Operating Conditions: NOMNIAL Test Specification: IEC 61000-3-2 Operator Name: JDW & JCM Scan Settings (1 Range) Frequencies Receiver Settings Start Stop Step Res BW M-Time Atten Preamp 150kHz 30MHz 4.5kHz 9kHz (6dB) 10ms Auto Off Final Measurement Detectors: QP, AV Peaks: 25 Meas Time: 1s Acc. Margin: 6dB dBV 80.0 Limits 55022MQP 55022MAV 70.0 60.0 50.0 40.0 Transducer ENV216 Traces PK+ AV 30.0 20.0 10.0 0.0 150 kHz 1 MHz 10 MHz 30 MHz Figure 24. Conducted EMI Final Measurement Results Trace Frequency (MHz) Level (dBV) Limit (dBV) Delta Limit (dB) 1QP 0.15 62.42 66.00 -3.58 N/on 2AV 0.15 51.27 56.00 -4.73 N/on 1QP 0.546 47.18 56.00 -8.82 N/on Delta Ref (dB) Comment * = Limit Exceeded DS975RD5 23 CRD1611-8W 10. HARMONIC CONTENT 30 25 mA 20 15 10 IEC 61000-3-2 Class D Limits 5 0 3rd 5th 7th 9th 11th 13th 15th 17th 19th 21st 23rd 25th 27th 29th 31st Line Harmonic Figure 25. Harmonic Content 24 DS975RD5 CRD1611-8W 11. REVISION HISTORY Revision Date RD1 DEC 2011 Initial release RD2 JAN 2012 Content change to BOM, schematic, and bottom silkscreen RD3 FEB 2012 Content change to features RD4 MAY 2012 Corrected a typographical error RD5 FEB 2013 Corrected typographical errors DS975RD5 Changes 25 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Cirrus Logic: CDB1611-8W-Z CRD1611-8W-Z CRD1611A-8W-Z