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SFP1050-12BG AC-DC Front-End Data Sheet
12V Output, 1050 Watts
Features
? Ideal server form factor optimizes,
space, efficiency, and load variations
? High efficiency maximized between
30-80% load conditions
? Unconditionally stable under any load
condition
? Wide input voltage range (90-264
VAC)
with PFC
? 1U or 2U height configurations
? Active current share with ORing FET
? Incorporate Remote sense
? I 2 C interface status monitoring
? Primary and secondary voltage and
current monitor over I 2 C
Applications
? Datacom
? Distributed power systems
? Standby voltage of 3.3 VDC @ 3 A
? Overtemperature, overload, and
overvoltage protection
? Status LEDs: AC OK, POWER
GOOD, PS FAIL
Description
The SFP1050-12BG is a 1050-watt, power factor corrected (PFC) front-end which provides a 12 VDC output for
datacom and other distributed power applications. Its compact size enables mounting in both 1U and 2U height
racks. High efficiencies, advanced thermal management techniques, and an internal fan increase reliability over a
broad range of operating conditions. Internal ORing FETs facilitate use in hot-swap (plug) 1 , redundant
configurations. Status is provided with front panel LEDs, logic signals, and via the I 2 C management interface bus.
The SFP1050-12BG meets international safety requirements and is CE marked to the Low Voltage Directive (LVD).
Model Selection
Nominal
Adjustment
Maximum Output
Ripple &
Model
Output
Range (VDC)
Current (Amps)
Regulation
Noise @
Voltage
(VDC)
%
20 MHz
BW
(mV)
SFP1050-12BG
12
3.3 (Standby)
N/A
N/A
86.7
3
± 3
± 3
100
100
1
Proper hot-swap (plug) operation instruction: Power supply is not intended to be inserted into the system with AC
cord already applied. Alternatively, if there is an application where power supply insertion with AC cord is required;
PS_ON must be toggled or AC recycled after insertion into the system to reset the power supply.
BCD20031 Rev. AA, 22-Apr-09
Page 1 of 8
www.power-one.com
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