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

POWER
Data Sheet
Total Output Power: 450 - 550 Watts
+12 Vdc main Output
+3.3 Vdc Stand-by Output
DC Input 36 - 75 Vdc
SPECIAL FEATURES
ƒƒ 1U X 2U form factor
ƒƒ 10.3 W/in³ (DS550) 8.4 W/in³ (DS450)
ƒƒ +12 Vdc output
ƒƒ +3.3 Vdc standby
ƒƒ No minimum load required
ƒƒ Hot plug operation
ƒƒ N + 1 redundant
ƒƒ Internal OR’ing fets
ƒƒ Active current sharing
ƒƒ Built-in cooling fans (40 mm x 28 mm)
ƒƒ I²C communication interface bus
ƒƒ EEPROM for FRU data
ƒƒ Amber LED status, fan_fail
ƒƒ Green LED status, power good/DC_OK
status (VIN_GOOD)
ƒƒ One year warranty
SAFETY
ƒƒ UL/cUL 60950 (UL recognized)
ƒƒ NEMKO+ CB report EN60950
ƒƒ EN60950
ƒƒ CE mark
ƒƒ China CCC
DS450DC-3/DS550DC-3
Distributed Power Bulk Front-End


DC Input
Connector input shown
Electrical Specifications
Input
Input ra­nge
36 - 75 Vdc
Frequency
DC input
Inrush current
21 A maximum
Efficiency
84% @ 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
Standby
+3.3 Vsb
Adjustment range
Factory Set, no pot adjustments
Regulation
+12 Vdc; +5%/-5%
+3.3 Vsb; +5%/-5%
Overcurrent
See Table 1 next page
Overvoltage
+12 Vdc; 13.5 - 15 Vdc
+3.3 Vsb; 3.76 - 4.30 Vdc
Undervoltage
+12 Vdc; 10.5 V - 11.0 V
+3.3 Vsb; 2.77 - 3.00 Vdc
Turn-on delay
< 3 seconds
+12 V output rise time
3 ms - 300 ms