X-On Electronics has gained recognition as a prominent supplier of RDK-257 LED Lighting Development Tools across the USA, India, Europe, Australia, and various other global locations. RDK-257 LED Lighting Development Tools are a product manufactured by Power Integrations. We provide cost-effective solutions for LED Lighting Development Tools, ensuring timely deliveries around the world.

RDK-257 Power Integrations

RDK-257 electronic component of Power Integrations
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Part No.RDK-257
Manufacturer: Power Integrations
Category: LED Lighting Development Tools
Description: LED Lighting Development Tools RefDesign 12W90-265V LinkSwitch-PH
Datasheet: RDK-257 Datasheet (PDF)
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges



Price (USD)
1: USD 106.5792 ea
Line Total: USD 106.58 
Availability - 0
MOQ: 1  Multiples: 1
Pack Size: 1
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Ship by Fri. 15 Nov to Thu. 21 Nov
MOQ : 4
Multiples : 4
4 : USD 227.7912

0
Ship by Fri. 15 Nov to Thu. 21 Nov
MOQ : 1
Multiples : 1
1 : USD 106.5792

0
Ship by Thu. 21 Nov to Mon. 25 Nov
MOQ : 1
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1 : USD 117.7312

   
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We are delighted to provide the RDK-257 from our LED Lighting Development Tools category, at competitive rates not only in the United States, Australia, and India, but also across Europe and beyond. A long established and extensive electronic component distribution network has enhanced our global reach and dependability, ensuring cost savings through prompt deliveries worldwide. Client satisfaction is at the heart of our business, where every component counts and every customer matters. Our technical service team is ready to assist you. From product selection to after-sales support, we strive to deliver a seamless and satisfying experience. Are you ready to experience the best in electronic component distribution? Contact X-ON Electronics today and discover why X-On are a preferred choice for the RDK-257 and other electronic components in the LED Lighting Development Tools category and beyond.

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Reference Design Report for a 12 W Non- Isolated, Buck Topology, Power Factor Title TM Corrected, LED Driver Using LinkSwitch -PH LNK405EG Specification 90 VAC 265 VAC Input 36 V, 330 mA Output Application LED Driver Author Applications Engineering Department Document RDR-257 Number Date January 6, 2011 Revision 1.0 Summary and Features Dramatically simplifies off-line, power factor corrected, LED driver design Single-stage, power factor corrected, non-isolated LED driver Compact with extremely low component count High power factor >0.9 across line and load Very high efficiency >85%, 87% typical Low THD, <20% at 230 VAC No output current sensing required Advanced performance features Compensates for inductance tolerance Compensates for input voltage variations Compensates for output voltage variations Frequency jittering greatly reduces EMI filter costs Advanced protection and safety features Auto-restart protection for short-circuit Hysteretic thermal shutdown PATENT INFORMATION The products and applications illustrated herein (including transformer construction and circuits external to the products) may be covered by one or more U.S. and foreign patents, or potentially by pending U.S. and foreign patent applications assigned to Power Integrations. A complete list of Power Integrations patents may be found at www.powerint.com. Power Integrations grants its customers a license under certain patent rights as set forth at <RDR-257 12 W Non-isolated BUCK LED Driver Using LNK405EG 06-Jan-11 Table of Contents 1 Introduction................................................................................................................. 4 2 Power Supply Specification ........................................................................................ 7 3 Schematic................................................................................................................... 8 4 Circuit Description ...................................................................................................... 9 5 PCB Layout ...............................................................................................................10 6 Bill of Materials ..........................................................................................................11 6.1 Electrical.............................................................................................................11 6.2 Optional OVP Circuit ..........................................................................................11 6.3 Mechanical .........................................................................................................12 7 Heat Sink Assembly ..................................................................................................13 8 Inductor Specification ................................................................................................14 8.1 Electrical Diagram ..............................................................................................14 8.2 Electrical Specifications......................................................................................14 8.3 Materials.............................................................................................................14 8.4 Inductor Build Diagram.......................................................................................14 9 Performance Data .....................................................................................................15 9.1 Efficiency............................................................................................................15 9.2 Line and Load Regulation...................................................................................16 9.3 Power Factor......................................................................................................17 9.4 THD....................................................................................................................18 9.5 Harmonics ..........................................................................................................19 9.6 Test Data............................................................................................................21 9.6.1 Test Data, 13 LED Load.............................................................................21 9.6.2 Test Data, 12 LED Load.............................................................................21 9.6.3 Test Data, 11 LED Load.............................................................................21 9.6.4 230 VAC, 50 Hz Harmonics Data, P = 14.529 W.....................................22 IN 9.6.5 115 VAC, 60 Hz Harmonics Data, P = 13.96 W.......................................23 IN 10 Waveforms ................................................................................................................24 10.1 Input Line Current...............................................................................................24 10.2 Drain Voltage and Current Normal Operation.....................................................25 10.3 Drain Voltage and Current Start-up Operation ...................................................26 10.4 Output Current, Normal Condition, V ~ 36 V .................................................27 OUT 10.5 Output Current Ripple, V ~ 36 V....................................................................28 OUT 10.6 Output Current and Voltage at Power-up, Power-down .....................................29 10.7 Output Short.......................................................................................................30 10.8 Open Load/LED Condition..................................................................................30 11 Thermal Measurements.............................................................................................31 11.1 Thermal Test Set-up...........................................................................................31 11.2 Thermal Test Results .........................................................................................31 12 Conducted EMI Measurements .................................................................................32 12.1 Conducted EMI Test Set-up ...............................................................................32 12.1.1 Configuration A: Solder Side of Driver Facing Grounded T8 Fixture..........32 12.1.2 Configuration B: Component Side of Driver Facing Grounded T8 Fixture..33 12.2 Conducted EMI Test Results..............................................................................34 Power Integrations Tel: +1 408 414 9200 Fax: +1 408 414 9201 www.powerint.com Page 2 of 40

Tariff Desc

8543.70.00 Other machines and apparatus Free
13 Signal processors (graphic equalisers, crossovers etc.) 91 Other Free

9027.10.00 Instruments and apparatus for physical or chemical analysis (eg, polarimeters, refractometers, spectrometers, gas or smoke analysis apparatus); instruments and apparatus for measuring or checking viscosity, porosity, expansion, surface tension or the like; instruments and apparatus for measuring or checking quantities of heat, sound or light (including exposure meters); microtomes Free

9031.80.00 MEASURING OR CHECKING INSTRUMENTS, APPLIANCES AND MACHINES, NOT SPECIFIED OR INCLUDED ELSEWHERE IN THIS CHAPTER; PROFILE PROJECTORS Other instruments, appliances and machines Free

9030.31.00 Oscilloscopes, spectrum analysers and other instruments and apparatus for measuring or checking electrical quantities, excluding meters of 9028; instruments and apparatus for measuring or detecting alpha, beta, gamma, x-ray, cosmic or other ionising radiations.
Other instruments and apparatus, for measuring or checking voltage, current, resistance or power Multimeters without a recording device Free

8473.30.00 Parts and accessories of the machines of 8471 AUTOMATIC DATA PROCESSING MACHINES AND UNITS THEREOF; MAGNETIC OR OPTICAL READERS, MACHINES FOR TRANSCRIBING DATA ONTO DATA MEDIA IN CODED FORM AND MACHINES FOR PROCESSING SUCH DATA, NOT ELSEWHERE SPECIFIED OR INCLUDED:
.Other 71 No Weighing less than 1kg Free

8537 BOARDS, PANELS, CONSOLES, DESKS, CABINETS AND OTHER BASES, EQUIPPED WITH TWO OR MORE APPARATUS OF 8535 OR 8536, FOR ELECTRIC CONTROL OR THE DISTRIBUTION OF ELECTRICITY, INCLUDING THOSE INCORPORATING INSTRUMENTS OR APPARATUS OF CHAPTER 90, AND NUMERICAL CONTROL APPARATUS, OTHER THAN SWITCHING APPARATUS OF 8517:
8538 PARTS SUITABLE FOR USE SOLELY OR PRINCIPALLY WITH THE APPARATUS OF 8535, 8536 OR 8537:
8538.10.10 22 For programmable controllers Free
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