ILS-3825 Vishay Dale Surface Mount Inductors, Low Profile for DC/DC Converters FEATURES • • • • • • • Low profile 0.047" [1.19mm] maximum thickness. Self shielding. Surface mountable. High Q for high efficiency. Excellent energy storage. Monolithic, ferrite construction. Terminals designed for maximum trace EMI and compact circuit design. • Patents obtained. APPLICATIONS SCHEMATIC Low profile DC/DC converters. Type I PCMCIA. Hand held electronics. Flat panel displays. E No Connection (NC) ELECTRICAL SPECIFICATIONS T Inductance Range: 4.7µH to 10µH. Inductance Tolerance: ± 20%. Temperature Range: - 40°C to + 85°C. STANDARD ELECTRICAL SPECIFICATIONS L MODEL ILS-3825- 01 ILS-3825- 03 Q @ 500 kHz (Min.) 20 18 SELF RESONANT FREQ. MIN. (MHz) 9 13 E IND. (µH) ± 20% @ 10kHz w/600mA DC 10.0 4.7 DIMENSIONS in inches [millimeters] 0.270 [6.9] 0.051 [1.3] S 0.095 ± .012 [2.41 ± 0.30] 0.051 [1.3] 0.020 ± .012 [0.51 ± 0.30] Typ. 0.110 [2.8] 0.425 [10.8] 0.051 [1.3] O B 0.375 ± .012 [9.53 ± 0.30] RATED DC CURRENT (mA) 1,000 1,200 PAD LAYOUT O DIMENSIONAL OUTLINE DCR MAX. (Ohms) 0.65 0.45 NC 0.250 ± .012 [6.35 ± 0.30] 0.126 [3.2] 0.047 [1.19] Max. Alternate NC Pad DESCRIPTION 10µH INDUCTANCE VALUE - 01 (10µH) - 03 (4.7µH) ILS-3825 MODEL ± 20% INDUCTANCE TOLERANCE SAP PART NUMBERING GUIDELINES (INTERNAL) I L S PRODUCT FAMILY 3 8 2 SIZE 5 R J PACKAGE CODE 1 0 0 INDUCTANCE VALUE M TOL. 0 2 SERIES See the end of this data book for conversion tables www.vishay.com 66 For technical questions, contact [email protected] Document Number 34026 Revision 08-Jan-04 ILS-3825 Surface Mount Inductors, Low Profile for DC/DC Converters Vishay Dale PERFORMANCE GRAPHS Typical Current vs Temperature Rise Inductance vs DC Bias 160 13 10µH @ 85°C Ambient 12 140 10µH 11 TEMPERATURE RISE (°C) INDUCTANCE (µH) 10 9 8 7 6 5 4.7µH 4 120 100 10µH @ 20°C Ambient 80 60 4.7µH @ 85°C Ambient 40 3 4.7µH @ 20°C Ambient 2 20 1 0.6 1 0 10 0.5 4.7µH, L & Q vs Frequency 1.5 10µH, L & Q vs Frequency L @ 20°C 13.5 70 L @ 20°C E 100 5.5 80 T 14.0 120 6.0 L @ - 40°C 1 DC CURRENT (Amps) DC CURRENT (Amps) 60 60 4.5 40 4.0 O Q @ - 40°C 3.5 Q @ 85°C Q @ 20°C 3.0 100 200 300 400 500 600 700 800 S 0 INDUCTANCE (µH) L @ 85°C Q 80 5.0 900 L @ - 40°C 50 12.5 12.0 L INDUCTANCE (µH) 13.0 40 L @ 85°C Q 0.1 E 0 0 0.01 30 11.5 Q @ - 40°C Q @ 85°C 20 11.0 Q @ 20°C 20 10 10.5 10.0 0 0 1000 0 100 200 FREQUENCY (kHz) 300 400 500 600 700 800 900 1000 FREQUENCY (kHz) Energy Storage ENERGY STORAGE (µ Joules) O B 6 5 4 10µH 3 4.7µH 2 1 0 0 0.5 1 1.5 DC CURRENT (Amps) PACKAGING OPTIONS • Tape and Reel: Embossed plastic carrier tape. Per EIA481-1. 2000 pieces on a 13" [330mm] reel. Document Number 34026 Revision 08-Jan-04 For technical questions, contact [email protected] www.vishay.com 67