Description 5 C maximum total temperature operation Dual winding inductors that can be used as either a single inductor, or in coupled inductor/transformer applications (: turns ratio) Four sizes of shielded drum core inductors Windings can be connected in series or parallel, offering a broad range of inductance and current ratings Peak current ratings from 0. mps to 56 mps RMS current ratings from 0.8 mps to 7.9 mps Inductance ratings from 0.µH to.0mh Surface Mount 00 VC Isolation between windings Ferrite core material pplications s a transformer: SEPIC, flyback s an inductor: Buck, boost, coupled inductor DC/DC converters VRM inductor for CPU and DDR power supplies Input and output filter chokes Environmental Data Storage temperature: -0 C to +5 C Operating temperature: -0 C to +5 C (Range is application specific). Solder reflow temperature: 60 C max. for 0 seconds max. RoHS 00/95/EC Packaging Supplied in tape and reel packaging, 50 (DRQ7), 00 (DRQ7), 600 (DRQ5), and 50 (DRQ7) per reel Parallel Ratings Series Ratings Part Number Rated OCL () I rms () I sat () DCR Ω () Volt (5) OCL () I rms () I sat () DCR Ω () Volt (5) Inductance +/-0% mperes mperes typ. µ-sec +/-0% mperes mperes typ. µ-sec (µh) (µh) Peak (µh) Peak DRQ7-R-R 0. 0.06 6.9. 0.007.98..0 7.8 0.096.96 DRQ7-R0-R.00 0.99 5.5 7.97 0.00.56.968.6.99 0.0 7. DRQ7-R5-R.50.8.6 6.5 0.0.6 5.98..6 0.057 8.7 DRQ7-R-R.0.070. 5.5 0.067 5.5 8.80.06.76 0.0669 0. DRQ7-R-R.0.50.. 0.059 6.7.6.66. 0.05.5 DRQ7-R7-R.70..09.78 0.097 7.5 7.69.55.89 0.88 5.0 DRQ7-6R8-R 6.80 6.80.55. 0.05 9. 5.9.8.56 0.7 8. DRQ7-8R-R 8.0 8.90.9.66 0.059 0.7 5.7.0. 0.68. DRQ7-00-R 0.0 0.0.08.7 0.0656.5.0.0. 0.6.0 DRQ7-50-R 5.0 5.0.8.05 0.08.9 60.0 0.96.0 0.9 7.8 DRQ7-0-R.0.65.6.67 0.07 7.0 90.60 0.8 0.8 0.9.0 DRQ7-0-R.0...5 0.66.0 7.6 0.65 0.68 0.665.0 DRQ7-70-R 7.0 8.6.08. 0..9 9.5 0.5 0.57 0.965 9.8 DRQ7-680-R 68.0 68.9 0.89 0.96 0.58 9.7 75.6 0. 0.8. 59. DRQ7-80-R 8.0 80.7 0.86 0.89 0.8..5 0.0 0..5 6. DRQ7-0-R 00 0. 0.7 0.79 0.57 6.0 05.6 0.67 0.9. 7.0 DRQ7-5-R 50 50.9 0.58 0.65 0.85.0 60.6 0.89 0.. 88.0 DRQ7--R 0. 0.5 0.5.05 5.5 89. 0.60 0.7.0 07 DRQ7--R 0 5.5 0. 0..59 6.5 0 0. 0. 6.6 9 DRQ7-7-R 70 65.8 0.5 0.7.6 77. 86 0.7 0.8 9. 5 DRQ7-68-R 680 676.5 0.9 0..7 9. 706 0. 0.5.88 86 DRQ7-8-R 80 8.7 0.7 0.8.9 0 87 0. 0. 5.7 06 DRQ7-0-R 000 995.0 0.6 0.5. 980 0.8 0. 7.6 6 ) Open Circuit Inductance Test Parameters: 00kHz, 0.5 Vrms, 0.0 dc Parallel: (, -,) Series: ( - ) tie ( - ) ) RMS current for an approximate T of 0 C without core loss. It is recommended that the temperature of the part not exceed 5 C. ) Peak current for approximately 0% roll-off at 0 C ) DCR limits @ 0 C 5) pplied Volt-Time product (V-µS) across the inductor. This value represents the applied V-µS at 00KHz necessary to generate a core loss equal to 0% of the total losses for a 0 C temperature rise. 6) Turns Ratio (-):(-) :
Parallel Ratings Series Ratings Part Number Rated OCL () I rms () I sat () DCR Ω () Volt (5) OCL () I rms () I sat () DCR Ω () Volt (5) Inductance +/-0% mperes mperes typ. µ-sec +/-0% mperes mperes typ. µ-sec (µh) (µh) Peak (µh) Peak DRQ7-R-R 0. 0.9 6.0 8. 0.007.7.76.0 9.8 0.095. DRQ7-R0-R.00 0.95 5. 0. 0.000.08.808.66 5.0 0.000 6.6 DRQ7-R5-R.50..96 8.5 0.05.76 5.688.8.7 0.06 7.5 DRQ7-R-R.0.986.66 7.06 0.00.5 7.9..5 0.05 8.9 DRQ7-R-R.0.96.9 5.0 0.08 5.8.58.97.70 0.07.6 DRQ7-R7-R.70 5.8..7 0.05 7.8 0.7.67.9 0.0. DRQ7-6R8-R 6.80 7..60.67 0.08 8.55 9.8.0.8 0.67 7. DRQ7-8R-R 8.0 8.566.5.0 0.0 9..6.7.70 0.77 8.5 DRQ7-00-R 0.0 9.88..7 0.089 9.9 9.5.0.58 0.96 9.8 DRQ7-50-R 5.0 6.09..8 0.067.7 6.6.05. 0.55 5. DRQ7-0-R.0.7.75. 0.095.7 86.9 0.87.07 0.7 9. DRQ7-0-R.0.0..7 0. 8..0 0.70 0.87 0.57 6. DRQ7-70-R 7.0 9.6.5. 0.6. 98.6 0.57 0.7 0.865. DRQ7-680-R 68.0 69.67.0.9 0.65 6. 78.7 0.57 0.60.06 5.6 DRQ7-80-R 8.0 80.95 0.9. 0.5 8..8 0.5 0.55.8 56.8 DRQ7-0-R 00 0.6 0.86 0.99 0.8.8 06. 0.0 0.9.5 6.6 DRQ7-5-R 50 50.0 0.69 0.8 0.59 8.6 600.0 0.6 0..7 77. DRQ7--R 0 7.0 0.56 0.66 0.907 7.5 908.0 0.79 0..6 95 DRQ7--R 0 5.6 0.5 0.5. 57.8 0. 0.7 5.66 6 DRQ7-7-R 70 65. 0.0 0.6.7 68. 86 0.0 0. 6.97 6 DRQ7-68-R 680 67. 0. 0.8.58 8.7 685 0.66 0.9 0. 6 DRQ7-8-R 80 8.7 0. 0.5.9 89.9 5 0.56 0.7.7 80 DRQ7-0-R 000 009 0.7 0..89 00 06 0.5 0.6 5.6 00 DRQ5-R7-R 0.7 0.56 7.6.0 0.008.7.8 8.80 6.5 0.0078 6. DRQ5-R0-R.00 0.89 5.0.6 0.00..576 7.5.8 0.0096 8.86 DRQ5-R5-R.50.78.8 8. 0.009 5.70 5.9 6.89 9.5 0.0.0 DRQ5-R-R.0.08 0.9 5.0 0.005 6.97 8.8 5.6 7.50 0.08.9 DRQ5-R-R.0.08 9.6.7 0.006 8...6 6.5 0.05 6.5 DRQ5-R7-R.70 5.7 7.8 9.7 0.005 0.8.0.59.86 0.00.6 DRQ5-6R8-R 6.80 6.588 6.6 8.68 0.0.0 6.5.. 0.09.0 DRQ5-8R-R 8.0 8.08 5.5 7.86 0.076..9.77.9 0.0705 6.6 DRQ5-00-R 0.0 9.65 5.5 7.7 0.089.6 8.6.67.59 0.0757 9. DRQ5-50-R 5.0 5.5.7 5.69 0.098 8. 6.0..85 0.0 6.8 DRQ5-0-R.0.6.70.7 0.096. 89..8.6 0.59. DRQ5-0-R.0.7.8.8 0.0505 7. 5.0.6.9 0.0 5. DRQ5-70-R 7.0 7.7.7. 0.070. 89.9.5.6 0.97 6.6 DRQ5-680-R 68.0 67.9..70 0.0 8.6 7.6..5 0.0 77. DRQ5-80-R 8.0 86.89.05.9 0.8.7 7.6.0.0 0.55 87. DRQ5-0-R 00 0.7.78.0 0.70 7.5 0.8 0.89.0 0.68 95.0 DRQ5-5-R 50 5..8.8 0.8 57.6 60. 0.79 0.905 0.99 5. DRQ5--R 0 6.8.9.5 0.8 69.0 867. 0.59 0.755.5 8 DRQ5--R 0.6.06. 0.8 85.5 0 0.50 0.60.9 7 DRQ5-7-R 70 7. 0.87.0 0.78 0 89 0. 0.50.87 0 DRQ5-68-R 680 679.8 0.70 0.85.0 79 0.50 0.5. DRQ5-8-R 80 88.0 0.60 0.77.9 5 0.0 0.85 5.96 70 DRQ5-0-R 000 008 0.57 0.70.69 9 0 0.8 0.50 6.76 98 ) Open Circuit Inductance Test Parameters: 00kHz, 0.5 Vrms, 0.0 dc Parallel: (, -,) Series: ( - ) tie ( - ) ) RMS current for an approximate T of 0 C without core loss. It is recommended that the temperature of the part not exceed 5 C. ) Peak current for approximately 0% roll-off at 0 C ) DCR limits @ 0 C 5) pplied Volt-Time product (V-µS) across the inductor. This value represents the applied V-µS at 00KHz necessary to generate a core loss equal to 0% of the total losses for a 0 C temperature rise. 6) Turns Ratio (-):(-) :
Parallel Ratings Series Ratings Part Number Rated OCL () I rms () I sat () DCR Ω () Volt (5) OCL () I rms () I sat () DCR Ω () Volt (5) Inductance +/-0% mperes mperes typ. µ-sec +/-0% mperes mperes typ. µ-sec (µh) (µh) Peak (µh) Peak DRQ7-R7-R 0.7 0.9 7.9 56.0 0.0095.50.676 8.9 8 0.0078 7.00 DRQ7-R0-R.00 0.8 5.5 0.0 0.006.90.8 7.7 0 0.00 9.80 DRQ7-R5-R.50.57.5. 0.00 6.0 5.8 6.77 5.6 0.07.60 DRQ7-R-R.0.07.5 5.5 0.007 7.70 8.08 6..7 0.06 5. DRQ7-R-R.0.8 0..5 0.00567 9.0. 5. 0.8 0.09 8. DRQ7-R7-R.70.8 8.5 6.5 0.0097.9 9.6. 8. 0.067.8 DRQ7-6R8-R 6.80 7.87 7.. 0.06.7 9.55.67 6.67 0.065 9. DRQ7-8R-R 8.0 8.86 6.. 0.057 6. 5..6 6.09 0.067. DRQ7-00-R 0.0 0.7 6.0. 0.07 7.5.88.0 5.60 0.0686 5.0 DRQ7-50-R 5.0.09 5.0 9.66 0.07 0. 56.6.5.8 0.0990 0.6 DRQ7-0-R.0.9.00 7.57 0.09 5.9 9.7.00.78 0.57 5.8 DRQ7-0-R.0.9. 6. 0.0600.5 5.7.6. 0. 6.0 DRQ7-70-R 7.0 7.05.95 5.8 0.079 7. 88..7.6 0.88 7. DRQ7-680-R 68.0 66.8.. 0.05. 65.9.. 0. 88. DRQ7-80-R 8.0 79.75.09.06 0. 8. 9.0.0.0 0.57 96.6 DRQ7-0-R 00 99..96.6 0.6 5.9 97. 0.980.8 0.65 07.8 DRQ7-5-R 50.9.59.0 0.7 65. 579.6 0.796.5 0.989 0. DRQ7--R 0.5.9. 0.76 80.5 886.0 0.65..50 6 DRQ7--R 0.6.0.0 0.57 97. 9 0.5.0.0 95 DRQ7-7-R 70 67. 0.85.68 0.86 7 868 0.7 0.88. DRQ7-68-R 680 676.7 0.76.9.08 707 0.80 0.697. 8 DRQ7-8-R 80 88. 0.65.7.7 55 7 0.5 0.6 5.88 0 DRQ7-0-R 000 005 0.6..66 7 00 0.07 0.57 6.6 ) Open Circuit Inductance Test Parameters: 00kHz, 0.5 Vrms, 0.0 dc Parallel: (, -,) Series: ( - ) tie ( - ) ) RMS current for an approximate T of 0 C without core loss. It is recommended that the temperature of the part not exceed 5 C. ) Peak current for approximately 0% roll-off at 0 C ) DCR limits @ 0 C 5) pplied Volt-Time product (V-µS) across the inductor. This value represents the applied V-µS at 00KHz necessary to generate a core loss equal to 0% of the total losses for a 0 C temperature rise. 6) Turns Ratio (-):(-) :
Mechanical Diagrams DRQ7 Series 0.60 BOTTOM VIEW 6. 0.7 0.80 7.6. FRONT VIEW 7.6. TOP VIEW DRQ7 RECOMMENDED PCB LYOUT.7.00 0.0.00 0.0.7 7.9 7.9.55 Dual Inductor Mode SCHEMTIC Dual Inductor Parallel Mode L L L L L L DRQ7 Series BOTTOM VIEW 0.7 0.60 6. 7.6 FRONT VIEW 7.6 TOP VIEW DRQ7 RECOMMENDED PCB LYOUT.7.00 0.0.00 0.0.7 7.9 7.9.5 SCHEMTIC Dual Inductor Mode Dual Inductor Parallel Mode L L L L L L Dimensions in Millimeters. = Inductance value per family chart Dot indicates pin #
Mechanical Diagrams DRQ5 Series.00 BOTTOM VIEW.05.5.5 FRONT VIEW TOP VIEW DRQ5 wwllyy R.50.85 RECOMMENDED PCB LYOUT.50.85 0.50 0.50 0.0 6.00.80.80 Dual Inductor Mode SCHEMTIC Dual Inductor Parallel Mode L L L L L L DRQ7 Series BOTTOM VIEW.05 FRONT VIEW TOP VIEW.85 RECOMMENDED PCB LYOUT.85 0.50.00 0.0.5.5 8.0 DRQ7 wwllyy R.50 0.50.80.50.80 Dual Inductor Mode SCHEMTIC Dual Inductor Parallel Mode L L L L L L Dimensions in Millimeters. = Inductance value per family chart wwllyy = (date code) R = revision level Dot indicates pin #
DRQ Series Packaging Information DRQ7 Series CTUL SIZE DRQ7 o=7.90mm Bo=7.90mm Ko=.80mm Direction of Feed Parts packaged on " Diameter reel,,50 parts per reel. DRQ7 Series Ø.50 +0./-0.0.00 ±0..00 Ø.50 Min..75±0.0 Bo DRQ7 7.50±0. 6.00 ±0.0 CTUL SIZE DRQ7 o=7.90mm Bo=7.90mm Ko=.70mm Ko SECTION - o.00 Direction of Feed Parts packaged on " Diameter reel,,00 parts per reel. DRQ5 Series.0.5 dia +0./-0.0.0.5 dia min.7.5 B0 DRQ5 wwllyy.0 +/-0. CTUL SIZE DRQ5 o=.00mm Bo=.00mm Ko=6.0mm K0 SECTION - 0 6.00 Direction of Feed Parts packaged on " Diameter reel, 600 parts per reel. DRQ7 Series.0.5 dia +0./-0.0.0.5 dia min.7 R0. max..5 B0 DRQ7 wwllyy.0 +/-0. CTUL SIZE DRQ7 o=.00mm Bo=.00mm Ko=8.0mm K0 SECTION - 0 0.00 R0.5 TYP. Direction of Feed Parts packaged on " Diameter reel, 50 parts per reel. Dimensions are in millimeters.
Inductance Characteristics OCL vs Isat DRQ7 OCL vs Isat DRQ7 00 00 90 80 80 70 OCL (%) 60 50 OCL (%) 60 0 0 0 0 0 0 0 0 0 0 60 80 00 0 0 60 % of Isat 0 0 0 0 60 80 00 0 0 60 80 % of Isat OCL vs Isat DRQ5 OCL vs Isat DRQ7 00 00 90 90 80 80 70 70 OCL (%) 60 50 OCL (%) 60 50 0 0 0 0 0 0 0 0 0 0 0 0 0 0 50 60 70 80 90 00 0 0 0 0 50 % of Isat 0 0 0 0 0 0 50 60 70 80 90 00 0 0 0 0 50 % Idc sat Core Loss Irms DERTING WITH CORE LOSS % of Losses from Irms (maximum) 00 KHz 00 KHz 00 KHz 50 KHz 5 KHz % of pplied Volt-µSecond
PM-5 /07 Cooper Electronic Technologies 007 Visit us on the Web at www.cooperbussmann.com 5 Broken Sound Pkwy. Suite F Boca Raton, FL 87 Tel: +-56-998-00 Toll Free: +-888--65 Fax: +-56--660 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 Technologies 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 perform, when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user.