MQFL-28-05D

MQFL-28-05D Dual Output H IGH R ELIABILITY D C-DC C ONVERTER Continuous Input 16-40 V Transient Input 16-50 V Output ±5 V Output TO 24 A 91% @ 12 A / 89% @ 24 A Efficiency F ULL P OWER O PERATION : -55ºC 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 QorSealTM 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. Design Process MQFL series converters are: • Designed for reliability per NAVSO-P3641-A guidelines • Designed with components derated per: — MIL-HDBK-1547A — NAVSO P-3641A + 125ºC DesIGNeD & MaNUFacTUReD IN THe Usa FeaTURING QORseaL™ HI-ReL asseMBLY Features • Fixed switching frequency • No opto-isolators • Parallel operation with current share • Clock synchronization • Primary and secondary referenced enable • Continuous short circuit and overload protection • Input under-voltage lockout/over-voltage shutdown • Output voltage trim Qualification 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 Specification Compliance In-Line Manufacturing 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 Product # MQFL-28-05D Phone 1-888-567-9596 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 www.synqor.com Doc.# 005-2MQ050D Rev. B 09/03/08 Page 1 Technical Specification BLOCK DIAGRAM REGULATION STAGE MQFL-28-05D Output: ±5 V Current: 24 A Total ISOLATION STAGE CURRENT SENSE T1 T2 T1 T2 1 POSITIVE INPUT 7 POSITIVE OUTPUT 2 INPUT RETURN ISOLATION BARRIER 8 T1 T2 OUTPUT RETURN 3 CASE GATE DRIVERS UVLO OVSD 9 GATE DRIVERS NEGATIVE OUTPUT 4 ENABLE 1 CURRENT LIMIT PRIMARY CONTROL MAGNETIC 12 ENABLE 2 5 SYNC OUTPUT DATA COUPLING SECONDARY CONTROL 11 SHARE 6 SYNC INPUT BIAS POWER 10 TRIM CONTROL POWER TRANSFORMER POSITIVE OUTPUT TYPICAL CONNECTION DIAGRAM 1 2 3 28 Vdc + – open means on +VIN IN RTN CASE ENA 1 SYNC OUT SYNC IN ENA 2 SHARE 12 11 10 9 8 7 open means on 4 5 6 MQFL TRIM – VOUT OUT RTN +VOUT + Load – + Load – Product # MQFL-28-05D Phone 1-888-567-9596 www.synqor.com Doc.# 005-2MQ050D Rev. B 09/03/08 Page 2 Technical Specification MQFL-28-05D ELECTRICAL CHARACTERISTICS Parameter ABSOLUTE MAXIMUM RATINGS MQFL-28-05D Output: ±5 V Current: 24 A Total Min. Nom. Max. Units Notes & Conditions Vin=28V DC ±5%, +Iout = –Iout = 12A, CL = 0 µF, free running10 unless otherwise specified Group A Subgroup14 Input Voltage Non-Operating Operating 1 Reverse Bias (Tcase = 125ºC) Reverse Bias (Tcase = -55ºC) Isolation Voltage (input/output to case, input to output) Continuous Transient (