DS1200 Series
1200 Watts
Distributed Power System
Rev.11.01.28_#1.3
DS1200-3 Series
Page 1
Total Power:
1000-1200 Watts
Input Voltage:
90-264 Vac
# of Outputs:
Single Main
Special Features
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Active power factor correction
EN61000-3-2 harmonic compliance
Active AC inrush control
1U X 2U form factor
21.71 W / in
3
+12 Vdc Output
+3.3 Vdc stand-by
(+5 Vdc stand-by)
No minimum load required (main
output only)
Hot plug operation
N + 1 redundant
Internal OR’ing fets
Active current sharing
(10 - 100% load)
I
2
C communication interface bus
PMBus
TM
compliant
EEPROM for FRU data
Internal fan speed control
INTEL, SSI Std. logic timing
INTEL, SSI Std. FRU data format
Full digital control
2 year warranty
Product Descriptions
The DS1200-3 power supply features a very wide 90 to 264 Vac input voltage
range and employ active power factor correction to minimize input harmonic
current distortion and to ensure compliance with the international EN61000-3-2
standard – they have a power factor of 0.99 typical. The power supplies also
feature active ac inrush control, to automatically limit inrush current at turn-on to
55 A maximum.
The power supply employs a new ultra high efficiency conversion topology,
together with an innovative power transformer and rectifier construction that
further improves power density and reduces interconnect power losses. The
power supply’s main +12 Vdc payload output is digitally programmable over the
range 11.4 to 12.6 Vdc, and users have a choice of standard I
2
C or advanced
PMBus
TM
communications. The control software runs under Windows® on any
standard PC, and uses a highly intuitive graphical user interface to simplify
power supply set-up.
The DS1200-3 can deliver up to 98.4 A from its main +12 Vdc payload output,
and up to 6 A from its +3.3 Vdc auxiliary output. The supply has a 1U x 2U form
factor – it measures 10.9 x 3.3 inches, with a height of 1.6 inches – and has a
power density of more than 21 watts per cubic inch. When fed with a 180 to 264
Vac input, the DS1200-3 can achieve a very high – 91 percent typical –
conversion efficiency at 50 percent full load.
Safety
UL/cUL 60950 (UL Recognized)
NEMKO+ CB Report EN60950
EN60950
CE Mark
China CCC
Electrical Specifications
Absolute Maximum Ratings
Rev.11.01.28_#1.3
DS1200-3 Series
Page 3
Stress in excess of those listed in the “Absolute Maximum Ratings” may cause permanent damage to the power supply.
These are stress ratings only and functional operation of the unit is not implied at these or any other conditions above
those given in the operational sections of this TRN. Exposure to any absolute maximum rated condition for extended
periods may adversely affect the power supply’s reliability.
Table 1. Absolute Maximum Ratings:
Parameter
Input Voltage:
AC continuous operation
Maximum Output Power (Main + Stand-by)
V
IAC
≤
180Vac
V
IAC
> 180Vac
Isolation Voltage
Input to outputs
Input to safety ground
Outputs to safety ground
Ambient Operating Temperature
All models
All models
All models
DS1200-3
DS1200-3-002
DS1200-3-003
DS1200-3-004
All models
Operating
Non-operating
Altitude
Operating
Non-operating
All models
All models
-
-
-
-
10,000
30,000
feet
feet
All models
All models
-
-
-
-
-
-
2500
2500
50
+50
+70
1
+50
+50
+85
90
95
Vdc
Vdc
Vdc
o
C
o
C
o
C
o
C
o
C
Model
All models
Symbol
V
IN,AC
Min
90
-
-
Typ
-
-
-
Max
264
1000
1200
Unit
Vac
W
W
All models
P
O,max
T
A
-10
-
Storage Temperature
Humidity (non-condensing)
T
STG
-40
20
10
-
-
-
%
%
Note 1 With power derating (see page 22 power derating curve)
Input Specifications
Table 2. Input Specifications:
Parameter
Operating Input Voltage, AC
Input Vac Source Frequency
Maximum Input Current
(I
O
= I
O,max
, I
VSB
= I
VSB,Max
)
Standby Input Current
(V
O
Off, I
VSB
= 0A)
No Load Input Current
(V
O
On, I
O
= 0A, I
VSB
= 0A)
Harmonic Line Currents
Power Factor
Startup Surge Current (Inrush)
@ 25°C
Input Fuse
Isolation – Input to Output
Isolation – Input to Chassis
Leakage Current to earth ground
PFC Switching Frequency
DCDC Switching Frequency
Operating Efficiency @
System Stability:
Phase Margin
Gain Margin
25
o
C
V
I,AC
= 240Vac
f
I,AC
= 50/60 Hz
All
All
I
O
= I
O,max
V
I,AC
= 100Vac
V
I,AC
= 200Vac
f
SW,PFC
f
SW,DC-DC
η
V
I,AC
= 90Vac
V
I,AC
= 90Vac
V
I,AC
= 180Vac
V
I,AC
= 90Vac
V
I,AC
= 180Vac
All
All
V
I,AC
= 264Vac
Internal, L and N
5x20mm, Quick Acting
16A, 250V
I
I,surge
Conditions
Symbol
V
I,AC
f
I,AC
I
I,max
I
I,standby
I
I,no_load
THD
-
-
Min
90
47
-
-
-
-
-
-
Typ
115/230
50/60
-
-
-
-
-
-
Per IEC1000-3-2
0.99
-
-
40
Max
264
63
15
400
300
800
450
Rev.11.01.28_#1.3
DS1200-3 Series
Page 4
Unit
Vac
Hz
A
mA
mA
A
-
-
-
-
70
105
85
89
45
10
-
2500
2500
-
-
-
-
-
-
16
-
-
1.4
80
115
-
-
-
A
Vdc
Vdc
mA
KHz
KHz
%
%
Ø
dB
RF/Wirelessly
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