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SPC-54 Datasheet, PDF (1/13 Pages) Murata Power Solutions Inc. – 240W PoE+ Regulated Converter
www.murata-ps.com
Typical unit
FEATURES
240 Watts total output power
94% Ultra-high efficiency @ full load, 100LFM
12V Input (11-13.2V range)
54.2V/4.44A Output for PoE+
(Power-over-Ethernet)
Input Over/Under Voltage Shutdown
320kHz fixed switching frequency
Fully isolated, 2250V (BASIC)
Low 500mVp-p ripple/noise max value.
PGOOD signal
Stable no-load operation
Thermal shutdown
Fully I/O protected
UL 1950/IEC/EN60950 certification
Output over voltage latch
SPC-54/4.4-L12PG-C
240W PoE+ Regulated Converter
11-13.2Vin, 54.2V/4.44A Single Output, High Efficiency SIP Converter
ORDERING GUIDE SUMMARY
Model
Vout Range
SPC-54/4.4-L12PG-C
54.2V
INPUT CHARACTERISTICS
Parameter
Voltage Range
Current, full power
Turn On/Start-up Threshold
Undervoltage Shutdown
No Load Current
OUTPUT CHARACTERISTICS
Parameter
Voltage
Current
Power Output
Ripple & Noise
Line and Load Regulation
Overcurrent Protection
Overtemperature Protection
Efficiency (minimum)
Efficiency (typical)
GENERAL SPECIFICATIONS
Parameter
Dynamic Load Response
Operating Ambient Temperature
Safety Features
PHYSICAL SPECIFICATIONS
Parameter
Dimensions
Iout Range
0-4.44A
Vin Range
11-13.2V
Ripple/Noise
500mVp-p (max)
Efficiency
94%
Typ. @ 25°C, full load
11-13.2 Volts
24.5 Amps
10.3-11 Volts
9-9.9 Volts
300mA
Notes
12V nominal
Vin = 11V
Vin increasing
Vin decreasing
Vin = 12V
Typ. @ 25°C, full load
54.2 Volts
0 to 4.44 Amps
240 Watts
500mVp-p
±1%/±1%
5.33 Amps
130 °C
92.8%
94%
Notes
±1%
No minimum load
20MHz bandwidth, 100μF output
capacitance
With hiccup auto-restart
80% load, Vin nom.
Typ. @ 25°C, full load
500μsec
–40 to +80°C
UL 1950, IEC/EN60950
Notes
50-75-50% step to 1% of Vout
Inches
2.60 x 0.69 x 1.25
Millimeters
66.0 x 17.5 x 31.75
PERFORMANCE SPECIFICATIONS AND ORDERING GUIDE
Output
Model 
VOUT
(Volts)
IOUT Power R/N (mV pk-pk)
(Amps,
Max.) (Watts)
Max.
SPC-54/4.4-L12PG-C 54.2 4.44 240
500
Regulation (Max.)
Line
Load
±1%
±1%
VIN Nom.
(Volts)
12
Input
Range
(Volts)
IIN, no
load
(mA)
11-13.2 300
Vin @ min,
full load
(Amps)
Efficiency
80% load,
Vin nom.
% Min. % Typ.
24.5
92.8
94
Package
(Pinout)
See mechanical
drawing
Ḥ
For full details go to
www.murata-ps.com/rohs
www.murata-ps.com/support
MDC_SPC-54/4.4-L12PG-C.A03 Page 1 of 13