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PA0940 Datasheet(PDF) 4 Page - Pulse A Technitrol Company |
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PA0940 Datasheet(HTML) 4 Page - Pulse A Technitrol Company |
4 / 4 page USA 858 674 8100Germany 49 7032 7806 0Singapore 65 6287 8998Shanghai 86 21 62787060China 86 755 33966678Taiwan 886 3 4356768 www.pulseeng.com 95 SPM2007 (5/10) HIGH FREQUENCY PLANAR TRANSFORMERS PA09XXNL Series (up to 250W) 1. The above transformers have been tested and approved by Pulse’s IC partners and are cited in the appropriate datasheet or evaluation board documentation at these companies. To determine which IC and IC companies are matched with the above transformers, please refer to the IC cross reference on the Pulse web page. 2. To determine if the transformer is suitable for your application, it is necessary to ensure that the temperature rise of the component (ambient plus temperature rise) does not exceed its operating temperature. To determine the approximate temperature rise of the transformer, refer to the graphs below. 3. The “NL” suffix indicates an RoHS-compliant part number. Non- NL suffixed parts are not necessarily RoHS compliant, but are electrically and mechanically equivalent to NL versions. If a part number does not have the “NL” suffix, but an RoHS compliant version is required, please contact Pulse for availability. Notes from Tables Temperature Rise vs. Power (W) Dissipation Total Power (W) Dissipation Total Power Dissipation (W) = .001 * (DCRprimary * IRMS_primary2 + DCRsecondary * IRMS_secondary2) + Core Loss (W) 0 20 40 60 80 100 120 01 2 3 4 5 6 7 Core Loss vs. Flux Density 0.0 0.5 1.0 1.5 2.0 2.5 0 500 1000 1500 2000 2500 DB (Gauss) DB = 120E3 * Vin_min * Dutycycle_max / (Freq_kHz * Pri_Turns) 3.0 100kHz 200kHz 300kHz 400kHz 500kHz 600kHz 700kHz |
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