description ? 155 maximum temperature operation ? low profile surface mount inductors designed f or higher speed switch mode applications requiring low voltage, and high current ? design utilizes high temperature powder iron material with a non-organic binder to eliminate thermal aging ? inductance range from 0.17 uh to 47.9 uh ? current range from 29 amps to 1.8 amps ? frequency range 1khz to 500khz applications ? next generation processors ? high current dc-dc converters ? vrm, multi-phase buck regulator ? pc workstations, routers, servers ? telecom soft switches, base stations environmental data ? stor age temper ature r ange: -40 to +155 ? oper ating temper ature r ange: -40 to +155 c (range is application specific) ? solder reflo w temper ature: +260 c max. for 10 seconds max. packaging ? supplied in tape and reel packaging, 800 parts per reel part rated ocl (1) irms (2) isat (3) isat (4) dcr (m ) volts (5) number inductance nominal amperes amperes amperes max. @ ?ec (v s) ? +/-20% ? (typ.) 15% rolloff 30% rolloff 20 (ref.) hc8lp-r15-r 0.15 0.170 29.0 31 56 1.40 7.8 hc8lp-r39-r 0.39 0.430 20.2 19 34 2.80 4.7 hc8lp-r75-r 0.75 0.830 15.6 13.5 24 4.70 3.4 hc8lp-1r2-r 1.2 1.35 12.4 10.1 18.7 7.50 2.6 hc8lp-1r9-r 1.9 1.92 10.1 8.7 15.5 11.5 4.1 hc8lp-2r6-r 2.6 2.67 8.3 7.4 13.1 17.1 4.8 hc8lp-3r5-r 3.5 3.56 6.9 6.4 11.4 24.5 5.6 hc8lp-4r5-r 4.5 4.57 6.5 5.6 10.0 27.6 6.3 hc8lp-5r6-r 5.6 5.71 5.5 5.1 9.0 38.9 7.1 hc8lp-6r9-r 6.9 6.98 5.2 4.6 8.1 42.8 7.8 hc8lp-8r2-r 8.2 8.37 4.5 4.2 7.4 58.0 8.6 HC8LP-100-R 10.0 9.90 4.3 6.8 3.8 62.9 9.3 hc8lp-150-r 15.0 15.20 3.4 3.1 5.5 99.4 11.6 hc8lp-220-r 22.0 21.70 2.8 2.6 4.6 149 13.7 hc8lp-330-r 33.0 32.10 2.3 2.1 3.8 224 16.8 hc8lp-470-r 47.0 47.90 1.8 1.7 3.1 344 20.3 1) open circuit inductance test parameters: 100khz, 1.0v, 0.0adc 2) irms: dc current for an approximate dt of 40 without core loss. derating is necessary for ac currents. pcb layout, trace thickness and width, air-flow, and proximity of other heat generating components will affect the temperature rise. it is recommended that the temperature of the part not exceed 155 under worst case operating conditions verified in the end application. 3) isat amperes peak for approximately 15% rolloff (@20) 4) isat amperes peak for approximately 30% rolloff (@20) 5) applied volt-time product (v-?) across the inductor. this value represents the applied v-? at operating frequency necessary to generate additional core loss which contributes to the 40c temperature rise. de-rating of the irms is required to prevent excessive temperature rise. the 100% v-us rating is equivalent to a ripple current ip-p of 20% of isat (30% rolloff option). part number definition: hc8lp-xxx-r hc8lp = product code and size xxx = inductance in ?. r = decimal point. if no r is present third character = # of zeros. -r suffix indicates rohs compliant hc8lp series power inductors rohs 2002/95/ec
hc8lp series power inductors 1.75 11.5 24.0 +/-0.3 u ser d i rect i on o f f eed 11.2 hc8-xxx wwllyy r section a-a a a ko bo ao 1.5 dia +0.1/-0.0 1.5 dia min 4.0 2.0 16.0 k o=4. 3 mm bo=11.2 mm ao= 10.4 mm 13" dia. ei a-481 c ompli ant reel. packaging informa tion: p arts pack age d on a 80 0 parts per ree l. packaging information dimensions in millimeters wwllyy = date code, r = revision level mechanical diagrams 10.4 m ax 1 0. 4 m ax hc8 lp-xxx wwll yy r top view 10.9 max b max c l a ref 3.95 2 plcs r ef front v iew b max mm 1 r2 3.3 r39 r 75 r15 pn 3.5 3 .5 3.5 f ront view d im esio nal t able a ref mm 2.1 2 .1 2.1 2.1 1 r9 thru 470 2.7 3 .5 2.70 0 .55 ( 2x) s ide view 3 .5 typ 2plcs 3.0 typ 2plcs 4.0 typ r ecommended pcb pad la yout schematic 1 2
hc8lp series power inductors visit us on the web at www.cooperbussmann.com 1225 broken sound pkwy. suite f boca raton, fl 33487 t el: +1-561-998-4100 toll free: +1-888-414-2645 fax: +1-561-241-6640 this bulletin is intended to present product design solutions and technical information that will help the end user with design applications. cooper electronic technologies reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. cooper electronic technologies also reserves the right to change or update, without notice, any technical information contained in this bulletin. once a product has been selected, it should be tested by the user in all possible applications. life support policy: cooper electronic t echnologies does not authorize the use of any of its products for use in life support devices or systems without the express written approval of an officer of the company . life support systems are devices which support or sustain life, and whose failure to per form, when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injur y to the user . pm-4126 3/07 cooper electr onic technologies 2007 o cl vs isat 0 10 20 30 40 5 0 60 70 80 90 100 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 % of isat % o f o c l rolloff core loss irms derating with core loss 9 2 93 94 95 96 97 98 99 100 10 30 50 70 90 110 130 150 170 190 % applied volt-u sec onds % o f i r m s s p e c i f i e d f r o m z e r o r i p p l e a p p l i c a t i o n ( m a x i m u m ) 100khz 200khz 300khz 400khz 500khz
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