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MQFL-28VE-06S Datasheet(PDF) 4 Page - SynQor Worldwide Headquarters |
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MQFL-28VE-06S Datasheet(HTML) 4 Page - SynQor Worldwide Headquarters |
4 / 19 page Product # MQFL-28VE-06S Phone 1-888-567-9596 www.synqor.com Doc.# 005-0005209 Rev. 1 04/22/09 Page 4 Output: Current: 6V 17A MQFL-28VE-06S Technical Specification MQFL-28V-06S ELECTRICAL CHARACTERISTICS (Continued) Parameter Min. Typ. Max. Units Notes & Conditions Group A Vin=28V dc ±5%, Iout=17A, CL=0µF, free running (see Note 10) boost-converter non-operational unless otherwise specified Subgroup ISOLATION CHARACTERISTICS Isolation Voltage Dielectric strength Input RTN to Output RTN 500 V 1 Any Input Pin to Case 500 V 1 Any Output Pin to Case 500 V 1 Isolation Resistance (in rtn to out rtn) 100 MΩ 1 Isolation Resistance (any pin to case) 100 MΩ 1 Isolation Capacitance (in rtn to out rtn) 44 nF 1 FEATURE CHARACTERISTICS Switching Frequency (free running) 500 550 600 kHz 1, 2, 3 Synchronization Input Frequency Range 500 600 kHz 1, 2, 3 Logic Level High 2.0 10 V 1, 2, 3 Logic Level Low -0.5 0.8 V 1, 2, 3 Duty Cycle 20 80 % See Note 5 Synchronization Output Pull Down Current 20 mA VSYNC OUT = 0.8V See Note 5 Duty Cycle 25 75 % Output connected to SYNC IN of other MQFL unit See Note 5 Enable Control (ENA1 and ENA2) Off-State Voltage 0.8 V 1, 2, 3 Module Off Pulldown Current 80 µA Current drain required to ensure module is off See Note 5 On-State Voltage 2 V 1, 2, 3 Module On Pin Leakage Current 20 µA Imax draw from pin allowed with module still on See Note 5 Pull-Up Voltage 3.2 4.0 4.5 V See Figure A 1, 2, 3 BOOST-CONVERTER OPERATION Input Voltage Arming Value 17.5 18.0 18.8 V 1, 2, 3 Switching Frequency 600 670 740 kHz 1, 2, 3 Input Terminal Current Ripple (RMS) 0.9 A Vin = 16V; Iout = 17A Total Converter Efficiency Iout = 15A (10Vin) 86 % 1, 2, 3 Iout = 15A (16Vin) 88 % 1, 2, 3 Iout = 30A (16Vin) 88 % 1, 2, 3 RELIABILITY CHARACTERISTICS Calculated MTBF (MIL-STD-217F2) GB @ Tcase = 70ºC 2200 103 Hrs. AIF @ Tcase = 70ºC 390 103 Hrs. Demonstrated MTBF TBD 103 Hrs. WEIGHT CHARACTERISTICS Device Weight 79 g Electrical Characteristics Notes 1. Converter will undergo input over-voltage shutdown. 2. Derate output power to 50% of rated power at Tcase = 135ºC (see Figure 5). 3. High or low state of input voltage must persist for about 200µs to be acted on by the lockout or shutdown circuitry. 4. Current limit inception is defined as the point where the output voltage has dropped to 90% of its nominal value. 5. Parameter not tested but guaranteed to the limit specified. 6. Load current transition time ≥ 10µs. 7. Settling time measured from start of transient to the point where the output voltage has returned to ±1% of its final value. 8. Line voltage transition time ≥ 100µs. 9. Input voltage rise time ≤ 250µs. 10. Operating the converter at a synchronization frequency above the free running frequency will cause the converter’s efficiency to be slightly reduced and it may also cause a slight reduction in the maximum output current/power available. For more information consult the factory. 11. SHARE pin outputs a power failure warning pulse during a fault condition. See Current Share section of the Control Features description. 12. After a disable or fault event, module is inhibited from restarting for 300ms. See Shut Down section of the Control Features description. 13. Only the ES and HB grade products are tested at three temperatures. The C grade products are tested at one temperature. Please refer to the Construction and Environmental Stress Screening Options table for details. 14. These derating curves apply for the ES- and HB- grade products. The C- grade product has a maximum case temperature of 100ºC. 15. Input Over Voltage Shutdown test is run at no load, full load is beyond derating condition and could cause damage at 125ºC. |
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