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MQFL-28VE-1R8S-Y-ES Datasheet(PDF) 2 Page - SynQor Worldwide Headquarters |
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MQFL-28VE-1R8S-Y-ES Datasheet(HTML) 2 Page - SynQor Worldwide Headquarters |
2 / 19 page HIGH RELIABILITY DC-DC CONVERTER FULL POWER OPERATION: -55ºC TO +125ºC • Fixed switching frequency • No opto-isolators • Parallel operation with current share • Remote sense • Clock synchronization • Primary and secondary referenced enable • Continuous short circuit and overload protection • Input under-voltage lockout/over-voltage shutdown Features MQFL series converters (with MQME filter) are designed to meet: • MIL-HDBK-704-8 (A through F) • RTCA/DO-160E Section 16 • MIL-STD-1275B • DEF-STAN 61-5 (part 6)/5 • MIL-STD-461 (C, D, E) • RTCA/DO-160E Section 22 Specification Compliance MQFL series converters are: • Designed for reliability per NAVSO-P3641-A guidelines • Designed with components derated per: — MIL-HDBK-1547A — NAVSO P-3641A Design Process MQFL series converters are qualified to: • MIL-STD-810F — consistent with RTCA/D0-160E • SynQor’s First Article Qualification — consistent with MIL-STD-883F • SynQor’s Long-Term Storage Survivability Qualification • SynQor’s on-going life test Qualification Process • AS9100 and ISO 9001:2000 certified facility • Full component traceability • Temperature cycling • Constant acceleration • 24, 96, 160 hour burn-in • Three level temperature screening In-Line Manufacturing Process DESIGNED & MANUFACTURED IN THE USA FEATURING QORSEAL™ HI-REL ASSEMBLY Meets all -704 and -1275B under-voltage transients The MilQor® series of high-reliability DC/DC converters brings SynQor’s field proven high-efficiency synchronous rectifier technology to the Military/Aerospace industry. SynQor’s innovative QorSeal™ packaging approach ensures survivability in the most hostile environments. Compatible with the industry standard format, these converters operate at a fixed frequency, have no opto-isolators, and follow conservative component derating guidelines. They are designed and manufactured to comply with a wide range of military standards. Meets all -704 and -1275B under-voltage transients MQFL-28VE-1R8S Single Output Product # MQFL-28VE-1R8S Phone 1-888-567-9596 www.synqor.com Doc.# 005-0005206 Rev. 1 04/22/09 Page 2 Output: Current: 1.8V 40A MQFL-28VE-1R8S technical Specification BLOCK DIAGRAM SENSE ISOLATION STAGE REGULATION STAGE 7 8 UVLO SECONDARY CONTROL GATE DRIVERS CONTROL POWER PRIMARY CONTROL +Vin INPUT RETURN STABILITY ENABLE 1 SYNC OUT SYNC IN 12 11 10 9 1 2 3 4 5 6 +Vout OUTPUT RETURN SHARE ENABLE 2 + SENSE GATE DRIVERS CURRENT LIMIT CURRENT SENSE BOOST CONVERTER SWITCHES AND CONTROL BIAS POWER TRANSFORMER MAGNETIC DATA COUPLING CASE TYPICAL CONNECTION DIAGRAM +VIN IN RTN STABILITY ENA 1 SYNC OUT SYNC IN ENA 2 SHARE + SNS - SNS OUT RTN +VOUT 1 2 3 4 5 6 12 + - + - open means on open means on CSTABILITY RSTABILITY External bulk capacitor Load 11 10 9 8 7 28 Vdc MQFL |
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