DS850DC-3

Embedded Power for Business-Critical Continuity DS650DC-3 / DS850DC-3 650 - 850 Watt Distributed Power System Distributed Power Bulk Front-End Total Output Power: 650 - 850 Watts +3.3vdc Stand-by Output Standard Telco input range -39 V to -72 VDC Rev. 12.15.08 DS650DC-3 / DS850DC-3  of 4 DC Input Connector input shown Special Features 1U X 2U Form Factor 15.4W/ in3 +12Vdc Output +3.3vdc Stand-By (5V standby - consult factory) No Minimum Load Required Hot Plug Operation N + 1 Redundant Internal OR’ing Fets Active Current Sharing 2PSU Shared from 30% to 100% 4PSU Shared from 20% to100% Built-in Cooling Fan (40mm x 28mm) I2C Communication Interface Bus EERPOM for FRU Data Red/Green Bi-Color LED Status Internal Fan Speed Control Fan Fail Tach Output Signal INTEL, SSI Std. Logic Timing INTEL, SSI Std. FRU Data Format One Year Warranty Electrical Specifications Input Input ra­nge: Efficiency: Conducted EMI: Radiated EMI: Hold up time: -39 V to -72 Vdc >80% typical FCC Subpart J EN55022 Class B FCC Subpart J EN55022 Class B 1 ms @48 Vdc +12 V @ 70 A; DS850DC +12 V @ 52.5 A; DS650DC +3.3Vsb @ 6A (5V @ 4A available) Factory Set, no pot adjustments +12 Vdc; +5%/-5% +3.3 Vsb; +5%/-5% +12 Vdc; 77A - 105A - DS850DC; +12 Vdc 57.75 A - 78.75 A; DS650DC latches off if overcurrent lasts over 1 second, otherwise it is auto recovery. +3.3 vsb, 9A max (hiccup mode) +12 Vdc; 13.2 - 14.4 Vdc +3.3 Vsb; 3.76 - 4.30 Vdc +12 Vdc; 9 - 10.8V (latch off) 2 Seco...