Inductors for Power Supply Circuit Wound/STD • magnetic shielded VLM series Type: VLM10555-2 VLM10555-3 VLM13580-D1 Issue date: September 2011 • All specifications are subject to change without notice. • Conformity to RoHS Directive: This means that, in conformity with EU Directive 2002/95/EC, lead, cadmium, mercury, hexavalent chromium, and specific bromine-based flame retardants, PBB and PBDE, have not been used, except for exempted applications. (1/3) Inductors for Power Supply Circuit Wound/STD • Magnetic Shielded Conformity to RoHS Directive VLM Series VLM10555-2 SHAPES AND DIMENSIONS 10.5max. FEATURES • Low loss and large current capability design. • High magnetic shield construction should actualize high resolution for EMC protection. • Magnetic coupling type core with low magnetic flux leakage and a three-terminal structure. • Available for automatic mounting in tape and real package. 1R8M 10.6±0.2 5.4±0.2 APPLICATIONS Note book type and mobile computers, amusement equipment, DVD players, VRMs, plasma displays, etc. Dimensions in mm RECOMMENDED PC BOARD PATTERN CIRCUIT DIAGRAM 1.8 3.7 8.7 1 3 2 2.7 3.9 11.5 Dimensions in mm ELECTRICAL CHARACTERISTICS Part No. Inductance (µH) Inductance tolerance (%) Test frequency (kHz) VLM10555T-1R8M8R8-2 VLM10555T-2R5M8R0-2 VLM10555T-3R3M7R2-2 VLM10555T-4R3M7R2-2 1.8 2.5 3.3 4.3 ±20 ±20 ±20 ±20 100 100 100 100 Rated current(A)∗ Based on inductance change max.(typ.) [at 25°C] [at 100°C] 18(20) 14(16) 15(17) 12(14) 12(14) 10(12) 9(11) 7(9) DC resistance (mΩ ) [±15%] 5.6 6.7 8.3 8.3 typ. 5.6 6.7 8.3 8.3 Based on temperature rise typ. 8.8 8 7.2 7.2 ∗ Rated current: Value obtained when current flows and the temperature has risen to 40°C or when DC current flows and the nominal value of inductance has fallen by 30%, whichever is smaller. • Operating temperature range: –40 to +125°C (Including self-temperature rise) • Test equipment WK 3260B PRECISION MAGNETICS ANALYZER, WK 3265B 25A DC BIAS UNIT, or equivalent TYPICAL ELECTRICAL CHARACTERISTICS INDUCTANCE CHANGE vs. DC SUPERPOSITION CHARACTERISTICS TEMPERATURE RISE CHARACTERISTICS 4.5 Self-temperature rise(˚C) 4.0 Inductance(µH) 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 0 5 10 15 DC current (A) 1.8µH[at 25˚C] 2.5µH[at 25˚C] 3.3µH[at 25˚C] 4.3µH[at 25˚C] 20 25 60 55 50 45 40 35 30 25 20 15 10 5 0 1.8µH 2.5µH 3.3µH/4.3µH 0 2 4 6 DC current (A) 8 10 12 1.8µH[at 100˚C] 2.5µH[at 100˚C] 3.3µH[at 100˚C] 4.3µH[at 100˚C] • Conformity to RoHS Directive: This means that, in conformity with EU Directive 2002/95/EC, lead, cadmium, mercury, hexavalent chromium, and specific bromine-based flame retardants, PBB and PBDE, have not been used, except for exempted applications. • All specifications are subject to change without notice. 001-03 / 20110925 / e531_vlm (2/3) Inductors for Power Supply Circuit Wound/STD • Magnetic Shielded Conformity to RoHS Directive VLM Series VLM10555-3 10.5max. SHAPES AND DIMENSIONS R45M 10.6±0.2 5.4±0.2 FEATURES • Low loss and large current capability design. • High magnetic shield construction should actualize high resolution for EMC protection. • Magnetic coupling type core with low magnetic flux leakage and a three-terminal structure. • Available for automatic mounting in tape and real package. APPLICATIONS Note book type and mobile computers, amusement equipment, DVD players, VRMs, plasma displays, etc. Dimensions in mm RECOMMENDED PC BOARD PATTERN CIRCUIT DIAGRAM 1.8 3.7 8.7 1 3 2 2.7 3.9 11.5 Dimensions in mm ELECTRICAL CHARACTERISTICS Part No. Inductance (nH) Inductance tolerance (%) Test frequency (kHz) VLM10555T-R33M180-3 VLM10555T-R45M110-3 VLM10555T-R56M120-3 VLM10555T-R70M120-3 VLM10555T-1R2M100-3 330 450 560 700 1200 ±20 ±20 ±20 ±20 ±20 100 100 100 100 100 Rated current(A)∗ Based on inductance change max. [at 25°C] [at 100°C] 34 30 40 34 34 26 26 21 18 15 DC resistance (mΩ ) max. 1.2 2.6 2.5 2.5 3.2 typ. 0.95 2.2 2.1 2.1 2.7 Based on temperature rise typ. 18 11 12 12 10 ∗ Rated current: Value obtained when current flows and the temperature has risen to 40°C or when DC current flows and the nominal value of inductance has fallen by 30%, whichever is smaller. • Operating temperature range: –40 to +125°C (Including self-temperature rise) • Test equipment WK 3260B PRECISION MAGNETICS ANALYZER, WK 3265B 25A DC BIAS UNIT, or equivalent TYPICAL ELECTRICAL CHARACTERISTICS INDUCTANCE CHANGE vs. DC SUPERPOSITION CHARACTERISTICS TEMPERATURE RISE CHARACTERISTICS 1400 Self-temperature rise(˚C) Inductance(nH) 1200 1000 800 600 400 200 0 0 5 10 15 20 25 DC current (A) 330nH[at 25˚C] 450nH[at 25˚C] 560nH[at 25˚C] 700nH[at 25˚C] 1200nH[at 25˚C] 30 35 40 60 55 50 45 40 35 30 25 20 15 10 5 0 330nH 450nH 560nH 700nH 1200nH 0 2 4 6 8 10 12 DC current (A) 14 16 18 20 330nH[at 100˚C] 450nH[at 100˚C] 560nH[at 100˚C] 700nH[at 100˚C] 1200nH[at 100˚C] • Conformity to RoHS Directive: This means that, in conformity with EU Directive 2002/95/EC, lead, cadmium, mercury, hexavalent chromium, and specific bromine-based flame retardants, PBB and PBDE, have not been used, except for exempted applications. • All specifications are subject to change without notice. 001-03 / 20110925 / e531_vlm (3/3) Inductors for Power Supply Circuit Wound/STD • Magnetic Shielded Conformity to RoHS Directive VLM Series VLM13580-D1 12.2±0.5 2R2 13.5±0.5 0.25max. APPLICATIONS Mobile computers etc. SHAPES AND DIMENSIONS 7.8±0.5 FEATURES • Low loss and large current capability design. • High magnetic shield construction should actualize high resolution for EMC protection. • Magnetic coupling type core with low magnetic flux leakage and a three-terminal structure. • Available for automatic mounting in tape and real package. Dimensions in mm 2.6 RECOMMENDED PC BOARD PATTERN CIRCUIT DIAGRAM 1 5.2 3.1 3 2.6 2 3.8 5.8 3.6 Dimensions in mm ELECTRICAL CHARACTERISTICS Part No. VLM13580T-R82M-D1 VLM13580T-1R5M-D1 VLM13580T-2R2M-D1 VLM13580T-3R3M-D1 Inductance (µH) Inductance tolerance (%) Test frequency (kHz) 0.82 1.5 2.2 3.3 ±20 ±20 ±20 ±20 100 100 100 100 DC resistance (mΩ ) [±15%] max. 2 2.5 3.9 4.5 Rated current(A)∗ typ. Based on inductance change max. 1.7 2.1 3.3 3.8 36 26 20 18 Based on temperature rise typ. Self-temperature Self-temperature rise 20°C rise 40°C 12.6 18.5 11.7 17.2 10.5 14.8 8.4 11.7 ∗ Rated current: Value obtained when current flows and the temperature has risen to 20°C or 40°C or when DC current flows and the initial value of inductance has fallen by 30%, whichever is smaller. • Operating temperature range: –40 to +150°C (Including self-temperature rise) • Test equipment WK 3260B PRECISION MAGNETICS ANALYZER, WK 3265B 25A DC BIAS UNIT, or equivalent TYPICAL ELECTRICAL CHARACTERISTICS INDUCTANCE CHANGE vs. DC SUPERPOSITION CHARACTERISTICS TEMPERATURE RISE CHARACTERISTICS 5 Inductance(µH) 4 Self-temperature rise(˚C) 0.82µH 1.5µH 2.2µH 3.3µH 3 2 1 0 0 5 10 15 20 25 DC current (A) 30 35 40 60 55 50 45 40 35 30 25 20 15 10 5 0 0.82µH 1.5µH 2.2µH 3.3µH 0 5 10 15 DC current (A) 20 25 • Conformity to RoHS Directive: This means that, in conformity with EU Directive 2002/95/EC, lead, cadmium, mercury, hexavalent chromium, and specific bromine-based flame retardants, PBB and PBDE, have not been used, except for exempted applications. • All specifications are subject to change without notice. 001-03 / 20110925 / e531_vlm