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URAM3H22 Datasheet(PDF) 1 Page - Vicor Corporation |
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URAM3H22 Datasheet(HTML) 1 Page - Vicor Corporation |
1 / 8 page Set your site on VICOR at www.vicorpower.com PRELIMINARY Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715 MicroRAM Rev. 1.1 Page 1 of 8 Features • >40dB ripple attenuation from 60Hz to 1MHz • Integrated OR’ing diode supports N+1 redundancy • Significantly improves load transient response • Efficiency up to 98% • User selectable performance optimization • Combined active and passive filtering • 3-30Vdc input range • 20 and 30 Ampere ratings Product Highlights Vicor’s MicroRAM output ripple attenuation module combines both active and passive filtering to achieve greater than 40dB of noise attenuation from 60Hz to 1Mhz. The MicroRAM operates over a range of 3 to 30Vdc, is available in either 20 or 30A models and is compatible with most manufacturers switching converters including Vicor’s 1st and 2nd Generation DC-DC converters. The MicroRAM’s closed loop architecture greatly improves load transient response and with dual mode control, insures precise point of load voltage regulation, The MicroRAM supports redundant and parallel operation with its integrated OR’ing diode function. It is available in Vicor’s standard micro package (quarter brick) with a variety of terminations for through hole, socket or surface mount applications. Data Sheet MicroRAM TM Output Ripple Attenuation Module 45 Shown actual size: 2.28 x 1.45 x 0.5 in 57,9 x 36,8 x 12,7 mm Absolute Maximum Ratings Thermal Resistance Parameter Typ Unit Baseplate to sink; flat, greased surface 0.16 °C/Watt Baseplate to sink; with thermal pad (P/N 20264) 0.14 °C/Watt Baseplate to ambient 8.0 °C/Watt Baseplate to ambient; 1000 LFM 1.9 °C/Watt uRAM 2 C 2 1 Product Baseplate 1 = Slotted 2 = Threaded 3 = Thru-hole Pin Style* 1 = Short Pin 2 = Long Pin S = Short ModuMate N = Long ModuMate Product Grade C = –20°C to +100°C T = –40°C to +100°C H = –40°C to +100°C M = –55°C to +100°C Type 2= 20A 3= 30A Part Numbering *Pin styles S & N are compatible with the ModuMate interconnect system for socketing and surface mounting. Patents Pending Parameter Rating Unit Notes +In to –In 30 Vdc Continuous +In to –In 40 Vdc 100ms Load current 40 Adc Continuous Ripple Input (Vp-p) 100 mV 60Hzc100 kHz Ripple Input (Vp-p) 500 mV 100kHz –2MHz Mounting torque 4-6 (0.45-0.68) In. lbs (Nm) 6 each, 4-40 screw Pin soldering temperature 500 (260) °F (°C) 5 sec; wave solder Pin soldering temperature 750 (390) °F (°C) 7 sec; wave solder Storage temperature (C, T-Grade) -40 to +125 °C Storage temperature (H-Grade) -55 to +125 °C Storage temperature (M-Grade) -65 to +125 °C Operating temperature (C-Grade) -20 to +100 °C Baseplate Operating temperature (T, H-Grade) -40 to +100 °C Baseplate Operating temperature (M-Grade) -55 to +100 °C Baseplate |
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