D1U-W-2000-48-Hx Series

AC/DC Front End Power Supply

CPS_D1U-W-2000-48-Hx.D01 Page 2 of 5

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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

17

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, Second 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

PROTECTION CHARACTERISTICS

Output

Voltage

Parameter

Conditions

Min.

Typ.

Max.

Units

Over-temperature

Auto-restart

55

65

°C

48V

Over Voltage

Latching

54

59

V

Over Current

Latching

44

50

A

12Vsb

Over Voltage

Latching

13

14

V

Over Current

Latching

2.5

3

A

3.3Vsb

Over Voltage

Latching

3.57

4.02

V

Over Current

Latching

6.5

8

A

5Vsb

Over Voltage

Latching

5.6

6

V

Over Current

Latching

5

7

A

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