Crane Aerospace & Electronics Power Solutions PSLB2225 DC-DC Converter PRELIMINARY DESIGN DATA SHEET FEATURES • 28 VDC output from unregulated 270 Vdc input • 10 kW average output power • Efficiency > 93% • Baseplate conduction cooled • Master-less load sharing of up to 8 devices PERFORMANCE DESCRIPTION Input 28 V output dc-dc converter with over-voltage and over-current Continuous ............................. 230-280 Vdc Abnormal ............................... 200-350 Vdc, 50 ms max. output protection and built-in test functions. Unit has current signal that allows load sharing for up to 8 devices, with current Output ............................................. 28 Vdc Initial tolerance .......................... ±1% Line/Load/Temp regulation ........ ±1.5% Ripple ........................................ <1% p-p, up to 20 MHz Parallel Operation Output current share.................. ±5% share within ±5% for each device. This unit is fully tested and guaranteed over its operating temperature. Protection ............................................... Input Under-Voltage ............................................... Output Over-Voltage ............................................... Output Over-Current ............................................... Over Temperature Isolation Input to Output or Chassis ......... >10 Meg Ω @ 1000 Vdc Output to Chassis ...................... >10 Meg Ω @ 100 Vdc Operating temperature, Baseplate, 10 kW load............... -40 to +85°C Ambient ..................................... -40 to +85°C Communication and Data, discrete ............................................... Sync, external ............................................... Load share ............................................... Temperature fault ............................................... Enable ............................................... Pulse Efficiency Crane Aerospace & Electronics Power Solutions – Keltec 84 Hill Avenue, Fort Walton Beach, FL 32548 +1.850.275.8113 • [email protected] www.craneae.com/power Page 1 of 2 PSLB225, DS Document B4A0320, Rev. A - 05082014 Crane Aerospace & Electronics Power Solutions PSLB2225 DC-DC Converter PRELIMINARY DESIGN DATA SHEET ELECTRICAL INTERFACE J1 ITT Cannon part number or equivalent DBMMD5H5PJ Input Power J2 DBMMD25PJ Control/Status n/a Output Connector number Bus Bar Function(s) MECHANICAL 10.25 x 8.25 x 2.0 inches Weight ≤ 8 lbs. Spring loaded captive screws (6 each) provided for proper thermal contact pressure. Optional, all 18 each mounting screws provided as spring loaded captive screws. Page 2 of 2 PSLB2225, DS Document B4A0320, Rev. A – 05082014 B4A0320.doc. This revision supersedes all previous releases. All technical information is believed to be accurate, but no responsibility is assumed for errors. We reserve the right to make changes in products or specifications without notice. Copyright © 2014 Crane Electronics, Inc. All rights reserved.