V is h ay I n t e rt e c h n o l o g y, I n c . Inductors - IHLP® Solutions for Lighting Applications I INNOVAT AND TEC O L OGY Selecting the Right Inductor for Your Lighting Application N HN Inductors O 19 62-2012 Using IHLP ® Inductors for Your LED Lighting Application APPLICATIONS • • • • • • • • Automotive lighting - interior and exterior Portable electronic devices LCD and CCD panel backlights (Flat screen televisions and monitors) Traffic and railway signals Signs and Illumination Personal flashlights Medical instruments and tool lighting Digital camera flash and video light Resources • For more information, visit - http://www.vishay.com/inductors/power-inductors/ • For technical questions, contact - [email protected] One of the World’s Largest Manufacturers of Discrete Semiconductors and Passive Components Market solutions 1/6 VMN-PL0435-1202 This document is subject to change without notice. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 V is h ay I n t e rt e c h n o l o g y, I n c . Inductors - IHLP® Solutions for Lighting Applications Selecting the Right Inductor for Your Lighting Application O L OGY INNOVAT I Inductors AND TEC N HN O 19 LED Driver Technology from Linear Technology Corporation 62-2012 Epoxy lens/case Wire bond Reflective cavity Semiconductor die LED driver circuits are available in several topologies: Anvil Post • Buck • Boost } Leadframe Flat spot • Buck-Boost • SEPIC designs Anode Cathode All of these require inductors, and virtually any LED implementation can benefit from the space savings delivered by Vishay’s low-profile IHLP® inductor series. IHLP inductors are available in 8 different footprints and 10 different height variations. Whatever your LED application, there’s Dual Step-Down 1.5A LED Driver an IHLP inductor to help make it more space- and power-efficient. VIN 5V TO 36V High-Current LED Drivers – Dual Buck VIN SHDN BOOST BOOST2 0.22µF 10 µ H High-current inductor-based step-down switching LED drivers provide tiny, efficient high-power LED lighting solutions for automotive, architectural, and display backlighting. 4.7µF 0.22µF SW1 10 µ H SW2 LT3475 OUT LED *DIMMING CONTROL PWM2 VC2 REF 1.5A LED CURRENT DIMMING* CONTROL PWM2 VC1 0.1µF 2.2µF OUT2 LED2 RT VADJ1 24.3k GND 1.5A LED CURRENT 3475 TA01 fSW = 600kHz 2.2µF 0.1µF VADJ2 = Buck - IHLP2525CZER100M01 Circuit diagram courtesy of Linear Technology 330mA LED Driver With Open LED Protection 10µH High-Current LED Drivers – Boost VIN 5V High-current inductor-based step-up switching LED drivers provide compact, efficient high-power LED lighting solutions. The boost regulator is useful for driving a chain of LEDs connected in series. It is beneficial to drive multiple LEDs in series so they receive the same amount of current and will have the same brightness level. 3.3µF ISP1 ISN1 VIN IADJ1 IADJ2 SHDN SHDN 3.3µF 200k SW FBN 10k LT3477 ISP2 0.3Ω ISN2 VC VREF 1k FBP RT GND SS 4.7nF 330mA 33nF 22k 3477 TA01a = Boost - IHLP2020BZER100M11 Circuit diagram courtesy of Linear Technology Market solutions 2/6 VMN-PL0435-1202 This document is subject to change without notice. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 V is h ay I n t e rt e c h n o l o g y, I n c . AND TEC I INNOVAT O L OGY Selecting the Right Inductor for Your Lighting Application N HN Inductors O 19 62-2012 Inductors - IHLP® Solutions for Lighting Applications 5V to 25V Step-Up/Step-Down Driver for 2 Series 350 mA LEDs High-Current LED Driver – Buck-Boost PVIN 5V TO 25V 350mA 350mA 10µH High-current inductor-based buck-boost switching LED drivers provide flexible, tiny, efficient solutions for TFT backlighting, automotive, and avionic lighting applications. 10µH LED3 300m CAP3 2.2µF 2.2µF CAP4 2.2µF SW1 CAP1-4 LED1-4 VIN PWM1-4 SHDN PWM1-4 SHDN 2.2µF LED4 300m 300m CAP2 CAP1 350mA 10µH LED2 LED1 300m V IN 2.8V TO 16V 350mA 10µH SW2 SW3 2.2µF SW4 REF VADJ1-4 VC1-4 RT LT3476 GND 1.05V 47k 47nF = Buck-Boost - IHLP2020BZER100M11 Circuit diagram courtesy of Linear Technology 20W SEPIC LED Driver High-Current LED Driver – SEPIC The Single-Ended Primary Inductance Converter (SEPIC) regulator topology uses an additional inductor, but provides the following advantages for battery powered applications: C4 1µF 100V 22µH V IN 8V TO 40V C1 4.7µF 50V 1M 187k CTRL INTVCC 1) It can be buck or boost as the input voltage changes 2) The circuit provides inherent short-circuit protection due to the use of a coupling capacitor. VIN SHDN/UVLO FB VREF 0.01µF 25k ISP 0.1 1A ISN M1 OPENLED GATE PWM SENSE SS RT PWMOUT VC GND INTVCC 28.7k 400kHz 0.001µF C3 4.7µF 50V 511k LT3755-2 100k D1 5A 100V 30k 20W LED STRING 0.015 C2 4.7µF 10V M2 = Sepic - IHLP2525CZER220M11 Circuit diagram courtesy of Linear Technology Market solutions 3/6 VMN-PL0435-1202 This document is subject to change without notice. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 V is h ay I n t e rt e c h n o l o g y, I n c . Inductors - IHLP® Solutions for Lighting Applications Model Number Maximum Size (mm) I INNOVAT O L OGY Selecting the Right Inductor for Your Lighting Application 19 62-2012 Inductance at Zero DC (µH) L W H IHLP-1212BZ-11 3.60 3.20 2.0 IHLP-1616AB-01 4.704 4.314 1.2 0.047 1.0 IHLP-1616AB-11 4.704 4.314 1.2 0.047 2.2 IHLP-1616BZ-01 4.704 4.314 2.0 0.1 2.2 IHLP-1616BZ-11 4.704 4.314 2.0 0.1 4.7 IHLP-2020AB-01 5.744 5.434 1.2 0.1 4.7 IHLP-2020AB-11 5.744 5.434 1.2 0.1 4.7 IHLP-2020BZ-01 5.744 5.434 2.0 0.1 10 IHLP-2020BZ-11 5.744 5.434 2.0 0.1 10 IHLP-2020CZ-01 5.744 5.434 3.0 0.1 15 IHLP-2020CZ-11 5.744 5.434 3.0 22 IHLP-2525AH-01 7.241 6.724 1.8 0.1 4.7 IHLP-2525BD-01 7.241 6.724 2.4 0.1 10 IHLP-2525CZ-01 7.241 6.724 3.0 0.1 10 IHLP-2525CZ-11 7.241 6.724 3.0 0.1 22 IHLP-2525EZ-01 7.241 6.724 5.0 0.56 10 IHLP-4040DZ-01 11.500 10.300 4.0 0.19 10 IHLP-4040DZ-11 11.500 10.300 4.0 0.1 IHLP-5050CE-01 13.580 12.900 3.0 0.1 10 IHLP-5050EZ-01 13.580 12.900 5.0 0.1 10 IHLP-5050FD-01 13.580 12.900 6.5 0.1 10 IHLP-6767DZ-01 17.950 17.150 4.0 0.1 10 IHLP-6767DZ-11 17.950 17.150 4.0 0.1 47 IHLP-6767GZ-01 17.950 17.150 7.0 0.1 22 IHLP-6767GZ-11 17.950 17.150 7.0 Market solutions AND TEC N HN Inductors O 4/6 0.001 0.01 0.1 1 0.22 0.1 0.1 10 100 2.2 100 100 VMN-PL0435-1202 This document is subject to change without notice. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 V is h ay I n t e rt e c h n o l o g y, I n c . Inductors - IHLP® Solutions for Lighting Applications Model Number IHLP-1212BZ-11 IHLP-1616AB-01 IHLP-1616AB-11 IHLP-1616BZ-01 IHLP-1616BZ-11 IHLP-2020AB-01 IHLP-2020AB-11 IHLP-2020BZ-01 IHLP-2020BZ-11 IHLP-2020CZ-01 IHLP-2020CZ-11 IHLP-2525AH-01 IHLP-2525BD-01 IHLP-2525CZ-01 IHLP-2525CZ-11 IHLP-2525EZ-01 IHLP-4040DZ-01 IHLP-4040DZ-11 IHLP-5050CE-01 IHLP-5050EZ-01 IHLP-5050FD-01 IHLP-6767DZ-01 IHLP-6767DZ-11 IHLP-6767GZ-01 IHLP-6767GZ-11 Rated Current DC at 25 ºC (A) 1 10 100 3.0 6.5 3.3 7.5 4.0 13 8.5 32 2.7515 3.0 15 2.8511 6.0 35 1.7 12 1.7512 2.2 13.5 4.4 35 2.5 14 2.5 14 2.3 17 4.0 45 2.2 21 2.0 25 1.9 23 2.5 27 1.9 21 1.7 25 3.0 18 8.0 40 2.5 30 7.0 50 3.0 32.5 7.0 60 2.9 12.5 2.5 9.5 4.5 20 4.5 12 6.8 40 12.0 90 2.5 40 2.2546 7.0 43 14.084 9.0 55 16.0 118 10.0 60 15.5120 10.575 19.5 92 5.0 41 4.3 27.5 11.080 23.0 129 5.0 75.5 4.0 55 Heat Rated Current Saturation Current Market solutions AND TEC I INNOVAT O L OGY Selecting the Right Inductor for Your Lighting Application N HN Inductors O 19 62-2012 Maximum DC Resistance (Ω) 0.1 m 1 m 10 m 100 m 1 10 100 500 11.4 46 3.75 52.5 3.3 83.5 5.0 90 4.5 105 4.6 168 4.2 131 3.9 199 2.9 182.8 3.16 265 2.9 260 3.5 78 1.7 129 1.7 105 8 135 3.6 71.3 0.95 36.5 0.8 270 0.96 34 0.6 25.5 0.5 17.2 0.88 25.6 2.05 108.46 0.70 26.5 0.67 110.0 -01 series frequency range up to 5 MHz -11 series frequency range up to 1 MHz 5/6 VMN-PL0435-1202 This document is subject to change without notice. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 V is h ay I n t e rt e c h n o l o g y, I n c . Inductors - IHLP® Solutions for Lighting Applications I INNOVAT AND TEC O L OGY Selecting the Right Inductor for Your Lighting Application N HN Inductors O 19 62-2012 Worldwide Sales Contacts The Americas EUROPE United states Germany Vishay Americas One Greenwich Place Shelton, CT 06484 United States Ph: +1-402-563-6866 Fax: +1-402-563-6296 Vishay Electronic GmbH Dr.-Felix-Zandman-Platz 1 95100 Selb Germany Ph: +49-9287-71-0 Fax: +49-9287-70435 Asia france singapore Vishay intertechnology Asia Pte Ltd. 37A Tampines Street 92 #07-00 Singapore 528886 Ph: +65-6788-6668 Fax: +65-6788-0988 Vishay S.A. 199, bd de la madelEine 06003 nice, cedex 1 France Ph: +33-4-9337-2727 Fax: +33-4-9337-2726 p.r. China united kingdom Vishay China Co., Ltd. 15D, Sun Tong Infoport Plaza 55 Huai Hai West Road Shanghai 200030 P.R. China PH: +86-21-5258 5000 FAX: +86-21-5258 7979 Vishay Ltd. Suite 6C, Tower House St. Catherine’s Court Sunderland Enterprise Park Sunderland SR5 3XJ UNITED KINGDOM Ph: +44-191-516-8584 Fax: +44-191-549-9556 japan VISHAY JAPAN CO., LTD. Shibuya Prestige Bldg. 4F 3-12-22, Shibuya Shibuya-ku Tokyo 150-0002 Japan Ph: +81-3-5466-7150 fax: +81-3-5466-7160 Market solutions 6/6 VMN-PL0435-1202 This document is subject to change without notice. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000