D1U-W-1200-48-Hx Series

AC/DC Front End Power Supply + S1U Power Shelf

CPS_D1U-W-1200-48-Hx.C06 Page 2 of 7

www.murata-ps.com

OUTPUT VOLTAGE CHARACTERISTICS

Output

Voltage

Parameter

Conditions

Min.

Typ.

Max.

Units

48V

Voltage Set Point Accuracy

48

Vdc

Line and Load Regulation

46.54

49.44

20MHz Bandwidth

480

mV p-p

Output Current

2

24.6

A

Load Capacitance

10000

μF

3.3Vsb

Voltage Set Point Accuracy

3.3

Vdc

Line and Load Regulation

3.2

3.4

20MHz Bandwidth

50

mV p-p

Operating Range

0

4.5

A

Load Capacitance

1530

μF

5Vsb

Voltage Set Point Accuracy

5

Vdc

Line and Load Regulation

4.85

5.15

20MHz Bandwidth

50

mV p-p

Operating Range

04

A

Load Capacitance

1530

μF

12Vsb

Voltage Set Point Accuracy

12

Vdc

Line and Load Regulation

11.2

12.4

20MHz Bandwidth

120

mV p-p

Operating Range

0

1.7

A

Load Capacitance

1530

μF

OUTPUT CHARACTERISTICS

Parameter

Conditions

Min.

Typ.

Max.

Units

Remote Sense

240

mV

Efficiency

220Vac

90.6

%

Output Rise Monotonicity

Overshoot less than 10% for all outputs, no voltage negative between 10% to 95% during ramp up

Start-up Time

AC ramp up

1.5

s

PS_On activated

150

ms

Transient Response

48V Ramp 1A/μs, 50% load step

±2700

mV

3.3Vsb Ramp 1A/μs, 50% load step

±165

5Vsb Ramp 1A/μs, 50% load step

±250

12Vsb Ramp 1A/μs, 50% load step

±600

Current sharing accuracy (up to 6 in parallel)

At 100% load

±10

%

Hot Swap Transients

All outputs within regulation

Hold-up Time

Max. load, nominal Vin

20

ms

GENERAL CHARACTERISTICS

Parameter

Conditions

Min.

Typ.

Max.

Units

Storage Temperature Range

Non-condensing

-40

70

°C

Operating Temperature Range

050

Operating Humidity

Non-condensing

10

90

%

Storage Humidity

590

Shock

30G non operating

Sinusoidal Vibration

0.5G, 5 – 500 Hz operating

MTBF

Calculated per Bellcore at Ta=30°C

200

Khrs

Demonstrated

200

Khrs

Acoustic

ISO 7779-1999

60

dB LpAm

Safety Approvals

c-CSA-us (CSA 60950-1-03/UL 60950-1, First Edition)

TUV approval (Bauart) EN 60950-1:2001

Input Fuse

Power Supply has internal 20A/250V fast blow fuse on the AC line input

Material Flammability

UL 94V-0

Switching Frequency

90KHz for Boost PFC Converter

165KHz for Main Output Converter

200KHz for Standby Output Converter

Weight

2.1kg

over a 0 Hz to 20 MHz bandwidth. A short coaxial cable with 50ohm scope termination is used.