POWER
Data Sheet
DS1200DC
1200 Watt Distributed Power System
Front-end Bulk Power
Total Output Power:
180 to 264 Vac: 1200 W
3.3 Vdc or 5.0 Vdc Standby Output
Telco Input Range:
-40 to -72 Vdc
SPECIAL FEATURES
GR-1089-CORE Issue 4 compliant
1U X 2U form factor
21.71 W / in3
+12 Vdc Output
+3.3 Vdc standby (5 V standby option)
No minimum load required
Hot plug operation
N + 1 redundant
Internal OR’ing fets
Active current sharing shares with
DS1200 AC unit (10 - 100% load)
Built-in cooling fan (40 mm x 28 mm)
I2C communication interface bus
PMBus compliant
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
Full digital control
Two year warranty
NEBS compliant
SAFETY
UL/cUL 60950 (UL Recognized)
NEMKO+ CB Report EN60950
EN60950
CE Mark
China CCC
Electrical Specifications
Input
Input range
Inrush current
-40 Vdc to -72 Vdc
ETSI EN300 132-2 part 4.7 compliant
Efficiency
> 85% typical at high line 50% load
Conducted EMI
Per GR-1089-CORE Issue 4
Radiated EMI
Leakage current
Hold up time
Per GR-1089-CORE Issue 4
1.40 mA @ 240 Vac
12 ms minimum
Output
Main DC voltage
Standby
Adjustment range
Regulation
+12 V @ 100 A
+3.3 Vsb @ 6 A (5 V @ 4 A available)
±5% on +12 V only using I2C
+12 Vdc; ±5%
+3.3 or 5.0 Vsb ±5%
Overcurrent
+12 Vdc; latches off if overcurrent lasts over 1 second, otherwise it is auto
recovery (See Table 1 next page) +3.3 Vsb, 9 A max (hiccup mode)
Overvoltage
+12 Vdc; 13.2 - 14.4 Vdc
+3.3 Vsb; 3.76 - 4.30 Vdc
Undervoltage
Turn-on delay
Main output rise time
+12 Vdc; 9 - 10.8 V (latch off)
2 second max, 5 - 50 mS, monotonic rise
5 - 50 mS, monotonic rise