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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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EPR-93 датащи(PDF) 17 Page - Power Integrations, Inc. |
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EPR-93 датащи(HTML) 17 Page - Power Integrations, Inc. |
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17 / 40 page  22-Jun-2006 EP-93 – 30 V, 1.07 A, 2.7 A (peak), Universal Input Supply Page 17 of 40 Power Integrations Tel: +1 408 414 9200 Fax: +1 408 414 9201 www.powerint.com ENTER TRANSFORMER CORE/CONSTRUCTION VARIABLES Core Type EE25 EE25 User Selected Core Size(Verify acceptable thermal rise under continuous load conditions) Core EE25 P/N: PC40EE25-Z Bobbin EE25_BOBBIN P/N: EE25_BOBBIN AE 0.404 cm^2 Core Effective Cross Sectional Area LE 7.34 cm Core Effective Path Length AL 1420 nH/T^2 Ungapped Core Effective Inductance BW 10.20 mm Bobbin Physical Winding Width M 0.00 mm Safety Margin Width (Half the Primary to Secondary Creepage Distance) L 3 Number of Primary Layers NS 10 10 Number of Secondary Turns DC INPUT VOLTAGE PARAMETERS VMIN 81 Volts Minimum DC Input Voltage VMAX 375 Volts Maximum DC Input Voltage CURRENT WAVEFORM SHAPE PARAMETERS DMAX ON-Time Extension 0.62 !!! Info. ON-Time Extension feature invoked. Verify this design for acceptable electrical and thermal performance on the bench IAVG 1.34 Amps Average Primary Current IP 2.60 Amps Minimum Peak Primary Current IR 1.31 Amps Primary Ripple Current IRMS 1.80 Amps Primary RMS Current TRANSFORMER PRIMARY DESIGN PARAMETERS LP 132 uHenries Typical Primary Inductance. +/- 10% to ensure a minimum primary inductance of 119 uH LP_TOLERANCE 10.00 10 % Primary inductance tolerance NP 39 Primary Winding Number of Turns ALG 88 nH/T^2 Gapped Core Effective Inductance Target BM 3000 Gauss Target Peak Flux Density at Maximum Current Limit BM 2523 Gauss Calculated Maximum Operating Flux Density, BM < 3000 is recommended BAC 635 Gauss AC Flux Density for Core Loss Curves (0.5 X Peak to Peak) ur 2053 Relative Permeability of Ungapped Core LG 0.54 mm Gap Length (Lg > 0.1 mm) BWE 30.6 mm Effective Bobbin Width OD 0.79 mm Maximum Primary Wire Diameter including insulation INS 0.08 mm Estimated Total Insulation Thickness (= 2 * film thickness) DIA 0.71 mm Bare conductor diameter AWG 22 AWG Primary Wire Gauge (Rounded to next smaller standard AWG value) CM 645 Cmils Bare conductor effective area in circular mils CMA 358 Cmils/ Amp Primary Winding Current Capacity (100 < CMA < 500) |
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