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HP4-0075L Datasheet(PDF) 8 Page - Coilcraft lnc. |
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HP4-0075L Datasheet(HTML) 8 Page - Coilcraft lnc. |
8 / 10 page Specifications subject to change without notice. Please check our website for latest information. Hexa-Path Magnetics Document 613-8 Document 613-8 Revised 08/20/15 Connecting primary windings in parallel When primary windings (Wpri) are connected in parallel, DCR decreases, Irms increases, and inductance and volt-time product remain the same. Example: For HPH6-2400L, connect three primary windings in parallel: Inductance = Inductancetable = 194 µH DCR = 1 ÷ [Wpri × (1 ÷ DCRtable)] = 1 ÷ [(3 × (1 ÷ 0.030]) = 0.010 Ohms VT = VTtable = 131.9 V-µsec Irms = Irmstable × Wpri = 2.90 × 3 = 8.70 A Connecting secondary windings in parallel When secondary windings (Wsec) are connected in parallel, DCR de- creases and Irms increases. Example: For HPH6-2400L, connect three secondary windings in paral- lel: DCR = 1 ÷ [Wsec × (1 ÷ DCRtable)] = 1 ÷ [(3 × (1 ÷ 0.030)] = 0.010 Ohms Irms = Irmstable × Wsec = 2.90 × 3 = 8.70 A Create a 130 Watt, 1 : 1, two switch forward converter transformer Choose HPH6-2400L Vin = 36 – 57 Vdc; Vout = 12 V, 10.8 A DCR Volt-time Peak energy Part Inductance max product storage Isat Irms number (µH) (Ohms) (V-µsec) (µJ) (A) (A) HPH6-2400L 194 ±25% 0.030 131.9 N/A N/A 2.90 Formulas used to calculate electrical characteristics Connecting windings in series Inductance = Inductancetable × (number of windings)2 DCR = DCRtable × number of windings Isat = (Isattable × 6) ÷ number of windings connected in series Irms = Irmstable Connecting windings in parallel Inductance = Inductancetable DCR = 1 ÷ [number of windings × (1 ÷ DCRtable)] Isat = (Isattable × 6) ÷ number of windings connected in series Irms = Irmstable × number of windings 14 25 36 12 9 11 8 10 7 Pri Sec Primary: L= 194 µH DCR= 0.01 rms= 8.7 A VT = 131.9 V-µsec I Secondary: DCR= 0.01 rms= 8.7 A I |
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