description ?155c maximum total temperature operation ?low profile high current inductors ?inductance range 0.1uh to 15uh ?design utilizes high temperature powder iron material with a non-organic binder to eliminate thermal aging ?current rating up to 34.7adc (higher peak currents may be attained with a greater rolloff, see rolloff curve) ?frequency range up to 2mhz applications ?computers and portable power devices ?energy storage applications ?dc-dc converters ?input - output filer application environmental data ?storage temperature range: -40c to +155c ?operating ambient temperature range: -40c to +155c (range is application specific). ?infrared reflow temperature: +260c for 10 seconds maximum pa ck a ging ?units supplied in tape and reel packaging. reel quantity = 1,700 parts per reel. pa rt rated ocl (1) irms (2) isat (3) isat (4) dcr k-factor (5) number inductance ? 15% amperes amperes amperes mohms @ 20? ? approx. 10% approx. 15% (max.) fp3-r10 0.10 0.10 19.0 27 34.7 1.21 803 fp3-r20 0.20 0.22 15.3 16 20.8 1.88 482 fp3-r47 0.47 0.44 10.9 11.6 14.9 3.67 344 fp3-r68 0.68 0.72 9.72 9.0 11.6 4.63 268 fp3-1r0 1.00 1.10 6.26 7.4 9.5 11.2 219 fp3-1r5 1.50 1.50 5.78 6.2 8.0 13.1 185 fp3-2r0 2.00 2.00 5.40 5.4 6.9 15.0 161 FP3-3R3 3.30 3.20 3.63 4.3 5.5 30.0 127 fp3-4r7 4.70 4.70 3.23 3.5 4.2 40.0 105 fp3-8r2 8.20 8.5 2.91 2.6 3.4 74.0 78 fp3-150 15.0 14.9 2.22 2.0 2.5 127 59 1) ocl (open circuit inductance) test parameters: 100khz, 0.1vrms, 0.0adc 2) dc current for an approximate ? t 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 w orst case operating conditions verified in the end application. 3) isat amperes peak for approximately 10% rolloff @ 20? 4) isat amperes peak for approximately 15% rolloff @ 20? 5) k-factor: used to determine b p-p for core loss (see graph). b p-p =k*l* ? i b p-p:(gauss), k: (k factor from table), l: (inductance in uh), ? i (peak to peak r ipple current in amps). flat-pac 3 low profile inductors mechanical diagrams top view front view 7.50 4.50 (2x) 2.50 (2x) recommended pcb pad layout 2 schematic 1 3.00 max 2.8 0.25 ( 2x) xxx 7.25 max 6.70 max yww 2 2.8 0.25 fp3 (2x) 1 side view 1.0 min. (2x) 4. 0 2. 0 12. 0 a o k o b o 16.0 +/-0. 3 7. 5 1.7 5 a 2 1 a ao= 6. 6mm bo= 7. 1mm ko= 3.2m m 0.3 rad max. 1.5 dia min. 0.30 +/-0.05 1.5 dia +0.1/-0.0 0.5 rad typ. direction of feed section a-a pa ck a ging information dimensions in millimeters
inductance vs saturation current 0 10 20 30 40 50 60 70 80 90 100 020406 08010012 0 140 160 180 200 % of isat % of ocl fp3 ac loss at frequency, khz core loss vs. flux density 0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 250 500 750 1000 1250 1500 1750 2000 2250 b p-p ( gauss ) coreloss (w) 200 300 400 500 60 0 700 800 900 1 000 temper ature rise vs. watt loss 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 0. 12 0.24 0.36 0.48 0.61 0.73 0.85 0.97 1.09 1.21 1.33 1.45 1.57 total loss (w ) temperature rise (c) flat-pac 3 low profile inductors
flat-pac 3 low profile inductors visit us on the web at www.cooperet.com 3601 quantum boulevard boynton beach, florida 33426-8638 t el: +1-561-752-5000 toll free: +1-888-414-2645 fax: +1-561-742-1178 this bulletin is intended to present product design solutions and technical information that will help the end user with design applications. cooper electronic t echnologies reserves the right, without notice, to change design or construction of any products and to discontinue or limit d istribution of any products. cooper electronic technologies also reserves the right to change or update, without notice, any technical information contained in thi s bulletin. once a product has been selected, it should be tested by the user in all possible applications. life support policy: cooper electronic technologies does not authorize the use of any of its products for use in life support d evices or systems without the express written approval of an officer of the company. life support systems are devices which support or sustain life, and whos e failure to perform, when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in signifi cant injury to the user. pm-4118 7/05 ? cooper electronic t echnologies 2005
|
