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MFL2805D/883 Datasheet(PDF) 1 Page - Interpoint Corporation Company |
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MFL2805D/883 Datasheet(HTML) 1 Page - Interpoint Corporation Company |
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1 / 14 page  description The Interpoint® MFL Series™ 28 volt dc-dc converters are rated up to 65 watts output power over a -55°C to +125°C temperature range with a 28 V nominal input. On dual output models, up to 70% of the rated output power can be drawn from either the positive or negative outputs. The welded, hermetically sealed package is 3.005 x 1.505 x 0.400 inches. Screening MFL converters are offered with standard screening, “ES” or fully compliant to MIL-PRF-38534 Class H screening. See Table 9 on page 13 and Table 10 on page 14 for more information. DeSign FeatureS The MFL Series converters are switching regulators that use a quasi-square wave, single ended forward converter design with a constant switching frequency of 600 kHz. Isolation between input and output circuits is provided with a transformer in the forward path and wide bandwidth magnetic coupling in the feedback control loop. The MFL Series uses a unique dual loop feedback technique that controls output current with an inner feedback loop and output voltage with a cascaded voltage mode feedback loop. The additional secondary current mode feedback loop improves transient response in a manner similar to primary current mode control and allows for ease of paralleling. Tight load regulation is achieved through a wide-bandwidth magnetic feedback circuit. inhibit The MFL Series converters have two inhibit terminals (INH1 and INH2) that can be used to disable power conversion, resulting in a very low quiescent input current. See Table 5 on page 6 for specifications. Sync Converters may be synced to an external clock (525 to 675 kHz) or to one another by using the sync in or out pins. See Table 5 on page 6 for specifications. Features • Parallel up to 3 converters—maximum recommended power is 70% of the total available power. • Operating temperature -55°C to +125°C • Qualified to MIL-PRF-38534 Class H • Input voltage range 16 to 40 volts • Transient protection up to 80 volts for 50 ms - Converter will shut down at an input voltage above approximately 45 volts • Fully isolated, magnetic feedback • Fixed high switching frequency • Remote sense and output trim on single output models • Primary and secondary inhibit function • Synchronization input and output • Indefinite short circuit protection • High power density with up to 85% efficiency MOdELS OuTPuT VOLTagE (V) SINgLE duaL 3.3 ±5 5 ±12 12 ±15 15 28 Crane Aerospace & Electronics Power Solutions MFL single and dual dc-dc converters Page 1 of 14 28 VoLt input - 65 Watt MFL Rev ad - 2016.02.19 Crane Aerospace & Electronics Power Solutions – Interpoint Products 10301 Willows Road NE, Redmond, WA 98052 +1.425.882.3100 • power@crane-eg.com www.craneae.com/interpoint |
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