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SFP450-12BG AC-DC Front-End Data Sheet
12V Output, 450 Watts
Input Specifications
Parameter
AC Input Voltage
Input Frequency
Conditions/Description
Single-phase continuous input range.
AC input.
Min.
90
47
Nom.
Max.
264
63
Units
VAC
Hz
Hold-up Time
After last AC line peak at full power.
At 115 VAC.
20
ms
Input Current
At full-rated load.
At 90 VAC.
6
A rms
Inrush Surge Current
Power Factor
Excluding Xcap. Vin = 264 VAC. 25 oC
Per EN61000-3-2
> 0.95
15
A pk
W/VA
Output Specifications
Parameter
Efficiency
Conditions/Description
With Vin at 110VAC and 50% to 75% load on
Min.
86
Nom.
Max.
Units
%
NOTE: Internal fan is
V1.
considered part of the
load as it is driven from
the 12V output; Vaux load
is set to 0,5A for
efficiency measurements.
With Vin at 110AC and 75% to 100% load on
V1.
With Vin at 220VAC and 50% to 75% load on
V1.
With Vin at 220VAC and 75% to 100% load on
86
87
89
%
%
%
V1.
Minimum Load
Minimum loading required to maintain
0
A
regulation.
Output Power
450
W
Overshoot
Transient Response
Output voltage overshoot at turn-on.
Maximum recovery time to within 1% of initial
<5
%
set point due to a 25% load change, 1A/μs.
12V output:
Standby output:
5
5
ms
ms
Maximum deviation:
12V output:
Standby output:
3
3
%
%
Turn-On Delay
with PS_ON signal
Time required for initial output voltage
stabilization after application of AC input or
1500
ms
ON/OFF signal.
Output Regulation
See Model Selection data on page 1.
BCD20030-G Rev. AB1, 15-FEB-10
Page 2 of 9
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