Military Accessory MI-IAM Input Attenuator Module Features & Benefits Packaging Options Standard: Slotted baseplate Inputs: 28V and 270V DC DC SlimMod: Flangeless baseplate, option suffix: - S 1 MIL-STD-461C/D/E EMI compliance Example: MI - AXX - XX - S MIL-STD-810 environments FinMod: Finned heat sink, option suffix: - F1, - F2, -F3 or -F4 MIL-STD-704, MIL-STD-1275 Examples: and DO-160 transients and spikes MI - AXX - XX -F1, 0.25 fins, longitudinal Output power: Up to 200W from any MI - AXX - XX -F2, 0.50 fins, longitudinal combination of MI-200 or MI - AXX - XX -F3, 0.25 fins, transverse MI - AXX - XX -F4, 0.50 fins, transverse MI-J00 modules Expansion port for additional power Input Characteristics (Typical at T = 25C, nominal line and 75% load, unless otherwise specified) BP Short circuit protected Parameter Min Typ Max Units Notes 28V modules Size: 2.28 x 2.4 x 0.5 DC Steady state input 16 28 50 V (57,9 x 61,0 x 12,7mm) DC a -600 600 V 20s, 50 per MIL-STD-704A DC Input spike limit -250 250 V 70s, 15 mJ per MIL-STD-1275A/B/D DC Product Highlights 100 V 50ms, 0.5 per MIL-STD-1275A/B/D DC Input surge limit The MI-IAM is an accessory product to Vicors 80 V 100ms per DO-160E, Sec.16, Cat. Z DC MI-Series of DC-DC converters that provides b Overvoltage shut down 50 V 100ms, automatic recovery DC EMI filtering and transient protection. Designed Recommended fuse 20 Amps F03A type for use with all 28V and 270V input MI-200 270V modules DC or MI-J00 converters, the MI-IAM can drive Steady state input 100 270 400 V DC any number of modules with output loads to a 800 V 20s, 50 DC 200W. See chapter 14 of the Deseign Guide Input spike limit a -600 600 V 100s, 50mJ DC & Applications Manual for VI-200 and VI-J00 Input surge limit 500 V 100ms, 0.5 DC Family DC-DC Converters and congfi urable a Overvoltage shut down 400 V 100ms, automatic recovery DC Power Supplies for technical description. Recommended fuse 4 Amps F03A type The MI-IAM meets the conducted emissions All models 1 specifications of MIL-STD-461C/D/E and No load power dissipation 0.5 1.5 Watts offers complete input transient, surge and Inrush current 110 125 % I Steady state, l 10ms IN IN spike protection to the most severe levels of a Guaranteed by design no test data available. MIL-STD-1275, MIL-STD-704 and DO-160. b The MI-IAM disables downstream converters and clamps the converter input voltage at a safe level. Overvoltage lockout provides additional safeguards against potentially damaging line conditions. Higher power arrays can Output Characteristics be configured using the expansion port Parameter Min Typ Max Units Test Conditions capability of the MI-IAM. Clamp voltage 28V input 60 V DC DC Compatible Products 270V input 420 V DC DC MI-200, MI-J00 (Inputs: 2 and 6) Output power 250 Watts Internal voltage drop MI-Mega Modules (Inputs: 2 and 6) 28V 0.6 V DC DC 270V 0.85 V DC DC Overload protection 28V input 20 Amps Foldback threshold auto recovery DC 270V input 4 Amps with latched shut down after 1ms DC MI-IAM Rev 1.6 vicorpower.com Page 1 of 6 06/2017 800 927.9474MI-IAM Isolation Characteristics Parameter Min Typ Max Units Notes Input to base 1,500 V 1 minute RMS Output to base 1,500 V 1 minute RMS (1) EMI Characteristics MIL-STD-461 Parameter Notes Input power leads CE01, CE03, CE07 MIL-STD-461C Conducted emissions CE101, CE102 MIL-STD-461D/E CS01, CS02, CS06, MIL-STD-461C Conducted susceptibility CS101, CS114, CS115, CS116 MIL-STD-461D/E 1 EMI performance is subject to a wide variety of external influences such as PCB construction, circuit layout etc. As such, external components in addition to those listed herein may be required in specific instances to gain full compliance to the standards specified. Model Selection Chart Model Number Nominal Input Voltage Input Range Compatible MI-Series Converter MI-A22-MU 28V 16 50V MI-22x-Mx and MI-J2x-Mx Mgrade DC DC MI-A66-MU 270V 125 400V MI-26x-Mx and MI-J6x-Mx Mgrade DC DC MI-A22-IU 28V 16 50V MI-22x-Ix and MI-J2x-Ix Igrade DC DC MI-A66-IU 270V 125 400V MI-26x-Ix and MI-J6x-Ix Igrade DC DC MI-IAM Rev 1.6 vicorpower.com Page 2 of 6 06/2017 800 927.9474