Not Recommended for New Designs Quiet-Power MQPI-18 M-Grade 28 Volt input, 7 Amp M-Grade EMI Filter Module Product Description Applications The MQPI-18 attenuates conducted common-mode (CM) Rugged Environment and differential-mode (DM) noise for DC-DC convert ers Displays including the VI Chip MIL PRM to comply with MIL-STD-461F Wireless Communications EMI requirements for conducted noise measurements. The lter operates within the full input operating range of a 28 V MIL PRM and supports 7 A loads up to 85C (T ) A Assembly Process Compatibility without de-rating. Designed for Pb solder SMT assembly Features Compatible with typical aqueous cleaning processes (MQPI-18LP-01, open-frame only) 50 Vin max. input Compatible with most conformal coating compounds Compatible to most industry standard DC-DC converters (MQPI-18LP-01, open-frame only, after reflow) including VI Chip MIL PRM a MIL-STD-461F compliant CE101, CE102, CS101, CS106, CS114, CS115, and CS116 100 Vdc surge, 100 ms 1,500 Vdc hipot hold-off to shield plane 7 A rating 12.9 x 25.3 x 5.0 mm, lidded SiP (System-in-Package) 12.4 x 24.9 x 4.2 mm, open-frame -55 to +125C PCB temperature (see Figure 4) 2 Efficiency >99% MQPI-18LP (~1/2 in area) Pb solder construction Typical Application PRM VTM BUS+ L C IN +BUS +QPI +IN +OUT +IN +OUT LOAD CB1 + + Optional Chassis Connection BUS QPI IN OUT IN OUT Shield BUS Chassis/Shield CY1 CY2 CY3 CY4 Shield Plane b Figure 1 Typical MQPI-18 application schematic with Vicors MP028 PRM and MV036 VTM modules. a When combined with MP028 PRMs and MV036 VTMs. b CB1 capacitor, referenced in all schematics, is a 47 uF electrolytic United Chemi-Con EMVE101ARA470MKE0S or equivalent. CY1 to CY4, referenced in all schematics, are 4.7 nF hi-voltage safety capacitors Vishay VY1472M63Y5UQ63V0 or equivalent. Quiet-Power Rev 1.9 vicorpower.com 800 927.9474 Page 1 of 10 12/2014MQPI-18 Not Recommended for New Designs Order Information Part Number Description MQPI-18LP MQPI-18 LGA package MQPI-18LP-01 MQPI-18 LGA package, open-frame package Also Available MQPI-18-CB1 A MQPI-18LP mounted on a carrier board that can be paired with PRM/VTM and Cool-Power evaluation boards available from Vicor. Absolute Maximum Ratings Exceeding these parameters may result in permanent damage to the product. Name Rating Input voltage, BUS+ to BUS-, continuous -50 to 50 Vdc Input voltage, BUS+ to BUS-, 100 ms transient -100 to 100 Vdc BUS+/ BUS- to Shield pads, hipot -750 to 750 Vdc Input to output current, continuous 25C T 7 Adc A c Power dissipation, 85C T , 7 A 1.85 W A Operating temperature - T -55 to 125C A c Thermal resistance - R , using PCB layout in Figure 12 30C/W J-A c Thermal resistance - R 18C/W J-PCB Storage temperature, JEDEC Standard J-STD-033B -55 to 125C Reflow temperature, 20 s exposure 245C ESD, Human Body Model (HBM) -2000 to 2000 V Electrical Characteristics Parameter limits apply over the operating temp. range, unless otherwise noted. Parameter Symbol Conditions Min Typ Max Unit c Input range BUS+ to BUS- Measured at 7 A, 85C ambient temperature 50Vdc c ) Voltage drop BUS+ to QPI+ Measured at 7 A, 85C ambient temperature 130 mVdc c Voltage drop BUS- to QPI- Measured at 7 A, 85C ambient temperature 130 mVdc Common-mode attenuation V = 28 V, frequency = 1.0 MHz, line impedance = 50 45 dB BUS Differential-mode attenuation V = 28 V, frequency = 1.0 MHz, line impedance = 50 75 dB BUS Input bias current at 50 V Input current from BUS+ to BUS- 10 uA c See Figure 4 for the current de-rating curve. Quiet-Power Rev 1.9 vicorpower.com 800 927.9474 Page 2 of 10 12/2014