DS450DC-3_09 Datasheet, PDF (1/4 Pages) Emerson Network Power – 450 - 550 Watts Distributed Power System

Embedded Power for
Business-Critical Continuity
DS450DC-3/
DS550DC-3
450 - 550 Watts
Distributed Power System
Distributed Power Bulk Front-End
Total Output Power: 450 - 550 Watts
+12 Vdc main Output
+3.3 Vdc Stand-by Output
DC Input 36 - 75 Vdc
Special Features
• 1U X 2U Form Factor
• 10.3 W / in³ (DS550)
8.4 W / in³ (DS450)
• +12 Vdc Output
• +3.3 Vdc Stand-By
• No Minimum Load Required
• Hot Plug Operation
• N + 1 Redundant
• Internal OR’ing Fets
• Active Current Sharing
• Built-in Cooling Fans
(40 mm x 28 mm)
• I²C Communication Interface Bus
• EERPOM for FRU Data
• Amber LED Status, Fan_Fail
• Green LED Status, Power Good /
DC_OK Status (VIN_GOOD)
• Internal Fan Speed Control
• Fan Fail Tach Output Signal
• One Year Warranty
Safety
• UL/cUL 60950 (UL Recognized)
• NEMKO+ CB Report EN60950
• EN60950
• CE Mark
• China CCC
DC Input
Connector input shown
Electrical Specifications
Input
Input ra­nge:
36 - 75 Vdc
Frequency:
Inrush current:
DC input
21 A maximum
Efficiency:
EVT: 87% @ 72 Vdc; 87.4% @ 75 Vdc
Conducted EMI:
FCC Subpart J EN55022 Class A
Radiated EMI:
FCC Subpart J EN55022 Class A
Power factor:
N/A
Leakage current:
N/A No touch current required.
Hold up time:
1 ms minimum
Output
Main DC voltage:
+12 V
Stand-By:
+3.3 Vsb
Adjustment range:
Factory Set, no pot adjustments
Regulation:
+12 Vdc;+5%/-5%
+3.3 Vsb; +5%/-5%
Over current:
See Table 1 next page
Over voltage:
+12 Vdc; 13.5 - 15 Vdc
+3.3 Vsb; 3.76 - 4.30 Vdc
Under voltage:
+12 Vdc; 10.5 V - 11.0 V
+3.3 Vsb; 2.77 - 3.00 Vdc
Turn-on delay:
+12 V Output Rise Time:
< 3 seconds, EVT: 2 seconds
3 - 300 mS
Rev. 10.13.09_79
DS450DC/DS550DC
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