LPT-4545-xxxLA, LB, LC Vishay Dale Inductors/Transformers, Customizable, Surface Mount Torodial, Kool-Mu®, 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 operated 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] DIMENSIONS in inches [millimeters] Pad Layout STANDARD ACTUAL IND. – µH RATED IDC MODEL (LOC) ± 15% LA=KOOL-MU® CORE IND. VALUES (40°C ) 0.832 6.90 1.0 LPT-4545-1R0LA 1.30 6.45 1.5 LPT-4545-1R5LA 2.55 5.75 2.5 LPT-4545-2R5LA 3.33 5.50 3.3 LPT-4545-3R3LA 5.20 4.45 5.0 LPT-4545-5R0LA 10.2 3.45 10 LPT-4545-100LA 15.0 2.79 15 LPT-4545-150LA 20.8 2.61 20 LPT-4545-200LA 25.2 2.25 25 LPT-4545-250LA 32.5 1.85 33 LPT-4545-330LA 50.0 1.50 50 LPT-4545-500LA 101 1.15 100 LPT-4545-101LA 152 0.92 150 LPT-4545-151LA 248 0.73 250 LPT-4545-251LA 300 0.63 300 LPT-4545-301LA 333 0.60 330 LPT-4545-331LA LB=POWDER IRON 0.838 6.61 1.0 LPT-4545-1R0LB 1.21 6.08 1.5 LPT-4545-1R5LB 2.71 5.01 2.5 LPT-4545-2R5LB 3.35 4.22 3.3 LPT-4545-3R3LB 5.66 3.32 5.0 LPT-4545-5R0LB 10.9 2.52 10 LPT-4545-100LB 14.8 2.10 15 LPT-4545-150LB 26.3 1.61 25 LPT-4545-250LB 34.3 1.34 33 LPT-4545-330LB 51.0 1.09 50 LPT-4545-500LB 105 0.81 100 LPT-4545-101LB 150 0.66 150 LPT-4545-151LB 248 0.52 250 LPT-4545-251LB 335 0.43 330 LPT-4545-331LB LC=MPP 7.54 1.0 0.838 LPT-4545-1R0LC 6.82 1.5 1.30 LPT-4545-1R5LC 5.84 2.5 2.55 LPT-4545-2R5LC 5.49 3.3 3.33 LPT-4545-3R3LC 4.37 5.0 5.20 LPT-4545-5R0LC 3.32 10 10.2 LPT-4545-100LC 2.69 15 15.0 LPT-4545-150LC 2.12 25 25.2 LPT-4545-250LC 1.76 33 32.5 LPT-4545-330LC 1.41 50 50.0 LPT-4545-500LC 1.07 100 101 LPT-4545-101LC 0.86 150 152 LPT-4545-151LC 0.67 250 248 LPT-4545-251LC 0.56 330 333 LPT-4545-331LC ← 0.160 [4.06] 0.492 sq. [12.5 sq.] 0.120 [3.05] 0.492 sq. [12.5 sq.] Dimensional Outline 0.462 ± 0.005 Dia. [11.73 ± 0.127] 0.450 ± 0.005 Dia. [11.43 ± 0.127] 1 2 Vishay Dale 4 LPT-4545xxxLX 0.550 [13.97] Max. 3 0.250 [6.350] Max. DESCRIPTION LPT MODEL 4545 SIZE 100 INDUCTANCE VALUE (µH) ± 15% INDUCTANCE TOLERANCE DCR IND. @ IDC (LBIAS) [30%] 0.51 @ 7.62 0.80 @ 6.10 1.57 @ 4.35 2.05 @ 3.81 3.20 @ 3.05 6.28 @ 2.18 9.26 @ 1.79 12.4 @ 1.53 15.5 @ 1.39 20.0 @ 1.22 30.8 @ 0.98 62.0 @ 0.69 93.4 @ 0.56 153.0 @ 0.44 179.0 @ 0.40 205.0 @ 0.38 0.003 0.004 0.006 0.007 0.011 0.019 0.029 0.038 0.048 0.068 0.107 0.195 0.302 0.491 0.670 0.706 0.53 @ 7.09 0.76 @ 5.91 1.71 @ 3.94 2.11 @ 3.54 3.57 @ 2.73 6.84 @ 1.97 9.31 @ 1.69 16.5 @ 1.27 21.6 @ 1.11 32.1 @ 0.91 66.2 @ 0.63 94.7 @ 0.53 156.0 @ 0.41 211.0 @ 0.35 0.004 0.005 0.009 0.012 0.019 0.034 0.049 0.084 0.119 0.180 0.342 0.509 0.831 1.194 0.54 @ 11.11 0.84 @ 8.89 1.64 @ 6.35 2.14 @ 5.56 3.35 @ 4.45 6.56 @ 3.18 9.68 @ 2.61 16.2 @ 2.02 20.9 @ 1.78 32.2 @ 1.43 64.8 @ 1.01 97.7 @ 0.82 159.0 @ 0.64 214.0 @ 0.56 0.004 0.004 0.007 0.008 0.012 0.022 0.033 0.054 0.076 0.119 0.219 0.340 0.551 0.788 Ω LA/LB/LC CORE/HEIGHT LA = KOOL-MU® LB = POWDER IRON LC = MPP SAP PART NUMBERING GUIDELINES (INTERNAL) L P T PRODUCT FAMILY 4 5 4 SIZE 5 R H PACKAGE CODE 1 0 1 INDUCTANCE VALUE L K TOL. CORE See the end of this data book for conversion tables www.vishay.com 112 For technical questions, contact [email protected] Document Number 34069 Revision 28-Aug-02 LPT-4545-xxxLA, LB, LC Inductors/Transformers, Customizable, Surface Mount Torodial, Kool-Mu®, Powdered Iron and MPP Cores Vishay Dale SCHEMATICS - CONNECTION DIAGRAMS Transformer Parallel Series 1 4 1 4 2 3 2 3 1 4 3 2 PART MARKING — Vishay Dale — Model number — Pin 1 identification 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 Document Number 34069 Revision 28-Aug-02 For technical questions, contact [email protected] www.vishay.com 113