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EKZM250ESS331MHB5D Datasheet(PDF) 1 Page - Murata Power Solutions Inc.

Part # EKZM250ESS331MHB5D
Description  240W PoE Regulated Converter
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Manufacturer  MURATA-PS [Murata Power Solutions Inc.]
Direct Link  http://www.murata-ps.com
Logo MURATA-PS - Murata Power Solutions Inc.

EKZM250ESS331MHB5D Datasheet(HTML) 1 Page - Murata Power Solutions Inc.

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11-13.2Vin, 54.2V/4.44A Single Output, High Efficiency SIP Converter
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
ORDERING GUIDE SUMMARY
Model
Vout Range
Iout Range
Vin Range
Ripple/Noise
Efficiency
SPC-54/4.4-L12PG-C
54.2V
0-4.44A
11-13.2V
500mVp-p (max)
94%
INPUT CHARACTERISTICS
Parameter
Typ. @ 25°C, full load
Notes
Voltage Range
11-13.2 Volts
12V nominal
Current, full power
24.5 Amps
Vin = 11V
Turn On/Start-up Threshold
10.3-11 Volts
Vin increasing
Undervoltage Shutdown
9-9.9 Volts
Vin decreasing
No Load Current
300mA
Vin = 12V
OUTPUT CHARACTERISTICS
Parameter
Typ. @ 25°C, full load
Notes
Voltage
54.2 Volts
±1%
Current
0 to 4.44 Amps
No minimum load
Power Output
240 Watts
Ripple & Noise
500mVp-p
20MHz bandwidth, 100μF output
capacitance
Line and Load Regulation
±1%/±1%
Overcurrent Protection
5.33 Amps
With hiccup auto-restart
Overtemperature Protection
130 °C
Efficiency (minimum)
92.8%
80% load, Vin nom.
Efficiency (typical)
94%
GENERAL SPECIFICATIONS
Parameter
Typ. @ 25°C, full load
Notes
Dynamic Load Response
500μsec
50-75-50% step to 1% of Vout
Operating Ambient Temperature
–40 to +80°C
Safety Features
UL 1950, IEC/EN60950
PHYSICAL SPECIFICATIONS
Parameter
Inches
Millimeters
Dimensions
2.60 x 0.69 x 1.25
66.0 x 17.5 x 31.75
PERFORMANCE SPECIFICATIONS AND ORDERING GUIDE
Model
Output
Input
Efficiency
80% load,
Vin nom.
Package
(Pinout)
VOUT
(Volts)
IOUT
(Amps,
Max.)
Power
R/N (mV pk-pk)
Regulation (Max.)
VIN Nom.
(Volts)
Range
(Volts)
IIN, no
load
(mA)
Vin @ min,
full load
(Amps)
(Watts)
Max.
Line
Load
% Min.
% Typ.
SPC-54/4.4-L12PG-C
54.2
4.44
240
500
±1%
±1%
12
11-13.2
300
24.5
92.8
94
See mechanical
drawing
www.murata-ps.com
www.murata-ps.com/support
For full details go to
www.murata-ps.com/rohs
 
SPC-54/4.4-L12PG-C
240W PoE+ Regulated Converter
MDC_SPC-54/4.4-L12PG-C.A03 Page 1 of 13
Typical unit


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