SGP1200-12G AC-DC Front-End Data Sheet
12V Output, 1133 Watts
Features
Wide input voltage range (90-264 VAC) with PFC
Active current share
Incorporates remote sense
I
2
C interface status monitoring
Standby voltage of 3.3 VDC @ 4 A
Overtemperature, overcurrent, overvoltage, and
undervoltage protection
1U or 2U height configurations
Status LED provides indicators for input, output,
and temperature plus fan status.
Applications
Data communications
Telecommunications
Distributed power systems
Description
The SGP1200-12G is an 1133-watt, power-factor-corrected (PFC) AC-DC front-end which provides a 12 VDC
output for datacom, telecom, and other distributed power applications. The SGP1200-12G meets international
safety requirements and is CE marked to the Low Voltage Directive (LVD).
The supply’s compact dimensions of 11” x 3.2” x 1.57” (1U) [279 x 81 x 40 mm] make it ideal for 1U rack mounting.
Its internal fan cooling assists providing a normal operating temperature range of -10
°C to +50 °C.
Model Selection
Model
SGP1200-12G
SGP1200-12S204G
Nominal
Output Voltage
(VDC)
12
3.3 (Standby)
12
5.0 (Standby)
Maximum
Output Current
(Amps)
93.3
4
93.3
2.6
Regulation
%
±1
±2
±1
±2
Ripple & Noise @
20 MHz BW
(mV)
100
50
100
50
BCD.00022_AA2, 01-Aug-10
Page 1 of 9
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SGP1200-12G AC-DC Front-End Data Sheet
12V Output, 1133 Watts
Input Specifications
Parameter
AC Input Voltage
Input Frequency
Hold-up Time
Input Current
Inrush Surge Current
Power Factor
Conditions/Description
Single-phase continuous input range.
AC input.
After last AC line peak at full power. At 120 VAC.
At full-rated load.
At 120 VAC.
Min.
90
47
12
<12
<30
> 0.95
Nom.
Max.
264
63
Units
VAC
Hz
ms
A rms
A pk
W/VA
Excluding Xcap. Under all conditions.
Per EN61000-3-2; at 30% or higher load
Output Specifications
Parameter
Efficiency
1
Conditions/Description
110 VAC 70%FL
110 VAC 100% FL
230 VAC 70%FL
230 VAC 100% FL
Minimum Load
Output Power
Overshoot
Transient Response
Load Step of 50% Full load
Note: Minimum starting load:
12V -> 9A, 3V3 -> 0.2A
Time required for initial output voltage
stabilization after application of AC input or
ON/OFF signal.
See Model Selection data on page 1.
Main Output 12V minimum loading required to
maintain regulation.
Min.
86.5
84.5
89
87.5
0.5
1133
<5
<5
Nom.
87.5
85.5
90
89
Max.
Units
%
%
%
%
A
W
%
%
Turn-On Delay
with PS_ON signal
Output Regulation
1
<3000
ms
The fan is considered to be part of the load.
BCD.00022_AA2, 01-Aug-10
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SGP1200-12G AC-DC Front-End Data Sheet
12V Output, 1133 Watts
Interface Signals and Internal Protection
1
Parameter
TEMP_OK
Conditions/Description
Signal indicates temperature status. High signal
indicates temperature is within range. Changes
to a Low signal when PS is overtemperature
and V1 output has been turned off.
I
2
C Addresses.
I
2
C Data line (3.3V).
I
2
C Clock line (3.3V).
Low signal indicates AC input is within PSU limits.
Pin on the PS connector that is tied internally to logic ground. When unit is inserted, line is driven
low to indicate a power supply is present.
Low signal indicates any PSU fan is running below 90% of required speed.
High signal indicates both outputs are within regulation limits.
Main Output <15V; Standby Output < 4.3V
Main Output – Latch off type 105 – 130% of max load; Standby Output Auto-recovery <6A
Main Output - T
off
<20ms; Standby Output – Current Limitation <6A
Min.
55
Nom.
60
Max.
65
Units
°C
PS A0, PS A1
SDA
SCL
AC_OK/L
PS_PRESENT/L
FAN_FAIL/L
PW_OK
Overvoltage Protection
Overcurrent Protection
Short-circuit Protection
1
Refer to product specification for internal pull up impedances and timing of these signals.
BCD.00022_AA2, 01-Aug-10
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SGP1200-12G AC-DC Front-End Data Sheet
12V Output, 1133 Watts
I
2
C Bus Management Interface
1
Related Documents:
I
2
C Interface
EEPROM Data
1
2
BCA.00009
SGP1200-12MM
Reference "I C Management Interface" and "EEPROM Table of Contents" documents for SGP1200-12G (consult factory).
Safety, Regulatory, and EMC Specifications
Parameter
Agency Approvals
Electromagnetic
Interference
Harmonics
Voltage Fluctuation
and Flicker
ESD Susceptibility
Radiated
Susceptibility
EFT/Burst
Input Transient
Protection
RF Conducted
Disturbances
Voltage Interruptions
Conditions/Description
Min.
Nom.
Max.
Units
UL 60950-1, CS-C22.2 No. 60950-1-07, EN 60950-1, IEC 60950-1, and the CE Mark.
FCC CFR title 47 Part 15
Sub-Part B,
EN 55022
Per IEC 61000-3-2.
Per IEC 61000-3-3.
Per EN 61000-4-2, Part 4.,
Performance criteria B
Per EN 61000-4-3, Part 3.,
Performance criteria A
Per EN 61000-4-4, Part 4.,
Performance criteria B
Per EN 61000-4-5,
Performance criteria B
Per EN 61000-4-6, Level 2.,
Performance criteria A
Per EN 61000-4-11.,
Performance criteria A
Performance criteria B
Per EN 60950, 264 VAC @ 60Hz:
Line-to-Line:
Line-to-Ground:
150kHz–80MHz:
Contact Discharge:
Air Discharge:
+/- 8
+/- 15
10
+/- 4
+/- 1.6
+/- 3
3
kV
kV
V/m
kV
kV
kV
V
Conducted:
Radiated:
CLASS A +3dB margin
CLASS A +6dB margin
12
1
<1.6
ms
Sec
mA
Leakage Current
BCD.00022_AA2, 01-Aug-10
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SGP1200-12G AC-DC Front-End Data Sheet
12V Output, 1133 Watts
Environmental Specifications
Parameter
Altitude
Operating
Temperature
Storage Temperature
Temperature
Coefficient
Relative Humidity
Shock
Non-condensing.@ 40
C
Operating: half-sine, 11 ms, 10 shock per face,
6 faces
Non-Operating: half-sine, 11 ms, 10 shock per
face, 6 faces
Operating: Swept Sine, 5-500-5Hz, 1
octave/min, 5 sweep cycles per axis, 3 axes
Non-Operating:
- Swept Sine, 5-500-5Hz, 1 octave/min, 5
sweep cycles per axis, 3 axes
- Random 0.025G
2
/Hz, 10-500Hz, 1hr dwell per
axis, 3 axes
7
93
7
30
2
%RH
G
G
G (peak)
Conditions/Description
Operating.
Non-Operating.
Internal DC fan for cooling.
At 100% load:
0
-40
Min.
Nom.
Max.
10000
42000
50
85
Units
ASL ft
ASL ft
ºC
ºC
Vibration
4
3.5
G (peak)
G rms
Reliability
Parameter
MTBF
Conditions/Description
Per Telcordia (Bellcore) SR-332 at 45°C
Min.
200 000
Nom.
Max.
Units
hrs
LED Indicators
Indicator
Standby, 12V OFF
Operation, 12V ON
Low AC / no AC
Over current on 12V
Over voltage (12V OFF)
Under voltage (12V OFF)
Over temperature (12V OFF)
Fan Fault
LED Color
Green Blinking
Green
LED OFF
Amber Blinking
Amber
Amber blinking
Amber
Amber
BCD.00022_AA2, 01-Aug-10
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