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D1U4-W-1200-12-Hx Series

AC/DC Front End Power Supply

D1U4-1200-12-Hx.A03 Page 2 of 5

OUTPUT CHARACTERISTICS

Parameter

Conditions

Min.

Typ.

Max.

Units

Remote Sense

120

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

12V Ramp 1A/μs, 50% load step

±600

mV

3.3Vsb Ramp 1A/μs, 50% load step

±165

5Vsb Ramp 1A/μs, 50% load step

±250

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

PROTECTION CHARACTERISTICS

Output

Voltage

Parameter

Conditions

Min.

Typ.

Max.

Units

Over-temperature

Auto-restart

55

65

°C

12V

Over Voltage

Latching

13

14

V

Over Current

Latching

107

122

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

ISOLATION CHARACTERISTICS

Parameter

Conditions

Min.

Typ.

Max.

Units

Insulation Safety Rating / Test Voltage

Input to Output - Reinforced

3000

Vrms

Input to Chassis - Basic

1500

Vrms

Isolation

Output to Chassis

Output to Output

Material Flammability

UL 94V-0

Grounding

Main Output Return and Standby Output Return are connected internally. 100kΩ resistor parallel with 100nF

capacitor is connected between Return and power supply chassis. Main Output Return should be connected to

the System Chassis.