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CF350-A48C
350 Watt High Density AC/DC Power Supply
SELECTION GUIDE
Model Number
CF350-A48C
Power Output
350W
Main Output
48V
Standby Output
5V
INPUT CHARACTERISTICS
Parameter
Input Voltage Operating Range
Conditions
Min.
85
Typ.
Max.
264
Units
Vac
OB
DUCT
PRO
ETE
SOL
FEATURES
?
?
? 350W compact high density
? Active load current share
?
? Universal AC input with Power Factor
Correction
?
?
? Ruggedized U-channel construction
? RoHS compliant
Input Frequency
Turn-on Input Voltage Ramp up
Turn-off Input Voltage Ramp down
Maximum Rated Input Current 100Vac
Inrush Current Cold start at 25°C, 220Vac
230Vac, full load
Power Factor
115Vac, full load
OUTPUT VOLTAGE CHARACTERISTICS
Output
Parameter Conditions
Voltage
Voltage Set Point Accuracy
Factory pre-set at ±100mV
Line Regulation
For Vin (min) to Vin (max)
47
Min.
83
67
96
99
Typ.
48
±0.4
63
2.8
60
Max.
Hz
Vac
Arms
Apk
%
Units
Vdc
%
?
? Includes ORing diode for N+1 parallel
operation
?
? International regulatory approvals
48V
Load Regulation
Ripple Voltage & Noise 1
For load changes from zero
to full load
20MHz Bandwidth
±1
250
%
mV p-p
DESCRIPTION
The CF350-A48C switching power supply utilizes
Output Current
Peak Current
Voltage Set Point Accuracy
Line Regulation
For Vin (min) to Vin (max)
0
8
5
±0.4
7.2
A
Vdc
%
advanced component and circuit technologies to
deliver one of the industry’s smallest 350 Watt
5Vsb
Load Regulation
Output Current
0
±2
5
%
mA
switchers. Built to meet 1U height considerations,
Peak Current
5
mA
the U-Frame package measures only 6.80 x
Ripple Voltage & Noise 1
20MHz Bandwidth
100
mV p-p
3.86 x 1.40”. The CF350-A48C offers universal
AC input (85-265VAC) with active power factor
OUTPUT CHARACTERISTICS
correction (PFC) and compliance to worldwide
Parameter
Conditions
Min.
Typ.
Max.
Units
safety and EMC standards.
Remote Sense
48V output: Compensates for voltage drops of up to 0.5V between the power
supply to the load. Outputs are internally sensed at output connector if remote
sense lines are opened.
Ef?ciency
Start-up Delay
Rise Time
230Vac, full load
115Vac, full load
Output voltage at 90%
87
83
30
2.0
%
s
ms
For load change of 25% to 75%, at
Transient Load Response
slew rate of 1A/μs, recovery time less
±5
%
than 2ms
Single wire current share in a N+1
Current Sharing Accuracy
parallel redundant con?guration with
±10
%
OR-ng diodes included in the PSU
Hot Swap
Available
Hold-up Time
Overshoot and Undershoot
110Vac, full load
Voltage change at turn-on and turn-off
16
1
ms
%
1 Ripple and noise are measured with 10 μF, in parallel with 0.1 μF ceramic capacitors.
www.murata-ps.com
Technical enquiries email: toronto@murata-ps.com, tel: +1 (866) 740 1232
CF350-A48C.A01 Page 1 of 4
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