LPT-3535xxx-LA, LB, LC Vishay Dale Inductors/Transformers Customizable, Surface Mount Torodial, Kool-Mu (R) , Powdered Iron and MPP Cores FEATURES * Toroidal design for minimal EMI radiation in DC to DC converter applications. * Designed to support the growing need for efficient DC to DC converters in battery oper ated equipment. * Two separate windings provide versatility by ability to connect windings in series or parallel. * Supplied on tape and reel and is designed to be pick and place compatible. * Custom versions and turns ratios available. Contact the factory with your specifications. * Half height parts available upon request. STANDARD ELECTRICAL SPECIFICATIONS (In Parallel) Document Number 34068 Revision 04-Dec-01 STANDARD ACTUAL INDUCTANCE - mH RATED IDC INDUCTANCE VALUES (40C ) (LOC) 15% 0.800 1.0 6.42 1.80 4.77 1.5 2.45 4.45 2.5 3.20 3.73 3.3 5.00 3.01 5.0 11.3 1.95 10 16.2 15 1.59 26.5 1.25 25 33.8 1.05 33 51.2 0.84 50 101 0.63 100 151 0.57 150 252 0.40 250 328 330 0.33 MODEL LA=KOOL-MU(R) CORE LPT-3535-1R0LA LPT-3535-1R5LA LPT-3535-2R5LA LPT-3535-3R3LA LPT-3535-5R0LA LPT-3535-100LA LPT-3535-150LA LPT-3535-250LA LPT-3535-330LA LPT-3535-500LA LPT-3535-101LA LPT-3535-151LA LPT-3535-251LA LPT-3535-331LA LB=POWDER IRON LPT-3535-1R0LB LPT-3535-1R5LB LPT-3535-2R5LB LPT-3535-3R3LB LPT-3535-5R0LB LPT-3535-100LB LPT-3535-150LB LPT-3535-250LB LPT-3535-330LB LPT-3535-500LB LPT-3535-101LB LPT-3535-151LB LPT-3535-251LB LPT-3535-331LB LC=MPP LPT-3535-1R0LC LPT-3535-1R5LC LPT-3535-2R5LC LPT-3535-3R3LC LPT-3535-5R0LC LPT-3535-100LC LPT-3535-150LC LPT-3535-250LC LPT-3535-330LC LPT-3535-500LC LPT-3535-101LC LPT-3535-151LC LPT-3535-251LC LPT-3535-331LC INDUCTANCE @ IDC (LBIAS) [30%] 0.48 @ 7.05 1.07 @ 4.70 1.46 @ 4.03 1.90 @ 3.52 2.98 @ 2.82 6.69 @ 1.88 9.64 @ 1.57 15.7 @ 1.23 20.1 @ 1.08 30.5 @ 0.88 60.2 @ 0.63 90.0 @ 0.51 150.0 @ 0.40 195.0 @ 0.35 DCR 0.005 0.009 0.011 0.015 0.023 0.055 0.081 0.131 0.182 0.280 0.514 0.775 1.279 1.837 W 1.0 1.5 2.5 3.3 5.0 10 15 25 33 50 100 150 250 330 0.882 1.57 2.45 3.53 4.80 10.8 15.3 25.1 33.5 51.8 104 153 250 330 5.10 4.48 3.58 2.96 2.41 1.58 1.29 1.03 0.85 0.68 0.51 0.41 0.33 0.27 0.56 @ 4.29 0.99 @ 3.21 1.54 @ 2.57 2.22 @ 2.14 3.03 @ 1.84 6.81 @ 1.22 9.65 @ 1.03 15.8 @ 0.80 21.1 @ 0.70 32.7 @ 0.56 65.2 @ 0.40 96.3 @ 0.33 157.0 @ 0.25 208.0 @ 0.22 0.004 0.005 0.009 0.013 0.018 0.043 0.064 0.103 0.147 0.230 0.424 0.645 1.031 1.463 1.0 1.5 2.5 3.3 5.0 10 15 25 33 50 100 150 250 330 0.800 1.80 2.45 3.20 5.00 11.3 16.2 26.5 33.8 51.2 101 151 252 328 6.45 4.80 4.46 3.73 3.02 1.94 1.59 1.26 1.05 0.84 0.64 0.52 0.40 0.33 0.52 @ 7.05 1.16 @ 4.70 1.58 @ 4.03 2.06 @ 3.52 3.22 @ 2.82 7.25 @ 1.88 10.43 @ 1.57 17.0 @ 1.23 21.8 @ 1.08 33.0 @ 0.88 97.4 @ 0.51 65.2 @ 0.63 162.0 @ 0.51 211.0 @ 0.35 0.005 0.009 0.011 0.015 0.023 0.055 0.081 0.131 0.182 0.280 0.514 0.775 1.279 1.837 For technical questions, contact Magnetics@vishay.com www.vishay.com 65 LPT-3535xxx-LA, LB, LC Vishay Dale RECOMMENDED LAYOUT PATTERN (Top View) DIMENSIONS in inches [millimeters] [Numbers in brackets indicate millimeters] 0.160 [4.06] 0.362 0.005 Dia. [9.19 0.127] 0.350 0.005 Dia. [8.89 0.127] 1 Vishay Dale 2 LPT-3535xxxLX 4 0.450 [11.43] Max. 0.392 sq. [9.96 sq.] 0.120 [3.05] 3 0.235 [5.97] Max. 0.392 sq. [9.96 sq.] SCHEMATICS - CONNECTION DIAGRAMS Parallel Transformer 4 1 Series 4 1 PART MARKING 4 1 -- Vishay Dale -- Model number -- Pin 1 identification 3 2 2 3 2 3 ORDERING INFORMATION LPT MODEL 3535 SIZE 100 INDUCTANCE VALUE (mH) 15% INDUCTANCE TOLERANCE LA/LB/LC CORE/HEIGHT LA = KOOL-MU(R) LB = POWDER IRON LC = MPP PACKAGING in inches [millimeters] Pocket Tape Orientation Carrier Tape Width 0.945 [24.0] Pitch 0.630 [16.0] Parts per 13" [330.2] Reel DALE LPT-[ ] [ ] DALE LPT-[ ] [ ] DALE LPT-[ ] [ ] [DATE CODE] [DATE CODE] [DATE CODE] 600 All embossed carrier tape packaging will be in compliance with the latest revision of EIA-481. REELING DIRECTION www.vishay.com 66 For technical questions, contact Magnetics@vishay.com Document Number 34068 Revision 04-Dec-01