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Product Guide

Mini-ITX EmBoard

ITX-QM77 Intel Ivy Bridge

ITX-QM67 Intel Sandy Bridge

ITX-6M45 Intel GM45 Penryn

ITX-6965 GME965 Core2 Duo

ITX-6900 915GME Pentium M

ITX-6815 Intel Pentium M

ITX-6810 Intel Pentium M

 

Networking EmBoard

EMB-5940 Core2 Duo Mobile

EMB-5740 VIA C7-Eden

EMB-5842 Intel Pentium M

 

Multimedia EmBoard

EMB-5930 Core2 Duo Mobile

EMB-5730 VIA C7 CX700M

EMB-5830 Intel Pentium M

 

3.5" Compact EmBoard

EMB-3700 VIA C7 CX700M

 

Tiny-Bus Module

Graphics / Video Extension

PCI Express based Extension

PCI-based Extension

1U 2-Slot PCI/PCIe Extension

DC/ATX Power Converter

Accessory / Development Tool

 

1U Slim Add-on Card

1uPCIe Intel Gigabit Ethernet

1uPCI Intel Gigabit Ethernet

1uPCI IEEE 1394a FIreWire

 

Barebone Solution

Rackmount Mini-ITX Platform

Wallmount Mini-ITX Platform

Industrial Compact Platform

 

Industrial Peripheral

DC/ATX Power Converter

AC/DC Power Supply Unit

Industrial CPU Cooler

Solid State Flash Disk (SSD)

 

ODM / OEM Service

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DPS250AB-44A series

1U / Mini-ITX Computing Platform

250W AC/DC ATX Power Supply

  • Compact Form Factor with 81.5 x 40.5 x 150 mm (W x H x D) of Dimension

  • 90~264V / 47~63Hz AC Power Input

  • Total 250 Watts Continuous Power Capacity

  • 20+4-pin ATX and SATA Power Connector

  • Efficiency > 85% under 50% Loading

  • Standby Efficiency < 1 watt

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Liantec Delta DPS-250AB-44A 250W 1U FlexATX Power Supply

DPS-250AB-44A 250W 1U ATX PSU

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||  Product Image  |  Datasheet (PDF)  |  Mechanical Drawing (PDF)  ||


 

Overview

The Delta DPS-250AB-44A 1U Mini-ITX / FlexATX power supply supports full range 90~264V / 47~63Hz AC power input and +5V, +12V, -12V, +3.3V and +5Vsb ATX power output with 250 watts of power capacity within 81.5 x 40.5 x 150 mm (W x H x D) of dimension, meets the requirement of Small Form Factor (SFF) embedded x86-based computing applications.

Specification

Power Input Range

The DPS250AB-44A PSU could operate at wide input voltages defined in below table.

Range

Input

Min.

Nom.

Max.

Low Range

V-in (Wrms) / I-in (Arms)

90 / ---

100-127 / 3.5

135 / ---

High Range

V-in (Wrms) / I-in (Arms)

180 / ---

200-240 / 2

264 / ---

Frequency (Hz)

47

---

63

* Inrush current : No component was damaged and input fuse shall not blow.

* Input Fuse Requirement : The PSU shall be protected from primary over current by input fuse.

* Power factor correction greater than 0.9 at full loading.

DC Output Voltage Regulation

The DC output voltages of DPS250AB-44A PSU measured at the end of the connectors should be remained within the regulation ranges shown in below table.

DC Output

Min.

Nom.

Max.

Tolerance

+5V (Volts)

+4.75

+5.00

+5.25

+5%, -5%

+12V (Volts)

+11.4

+12.00

+12.60

+5%, -5%

-12V (Volts)

-10.8

-12.00

-13.20

+10%, -10%

+5Vsb (Volts)

+4.75

+5.00

+5.25

+5%, -5%

+3.3V (Volts)

+3.135

+3.30

+3.465

+5%, -5%

DC Output Load Current Ranges

The DC output load current is specified as shown in below table. The maximum continuous output power at steady state operating should be limited at watts. The +5Vsb output should be remained within the regulation limits during the DC fault condition.

DC O/P Load

Min. (A)

Nom. (A)

Max. (A)

Peak (A)

+5V (Volts)

1

6

12

 

+12V (Volts)

1

9

17

22

-12V (Volts)

0

0.25

0.5

 

+5Vsb (Volts)

0

1

2

 

+3.3V (Volts)

0

3

6

 

Max. Combined DC Output

Max continuous DC output power should not exceed 250W at 25°C and de-rating power 1.6W/°C from 25°C to 50°C to get a maximum continuous power de-rating to 210W at 50°C each output maximum load de-crease in proportion. The total combined 3.3V, 5V power should not exceed 60W steady state. The total combined 3.3V, 5V, 12V and -12V power should not exceed 240W. The total peak power should not exceed 300W. The surge duration should be less than 20ms.

DC Output

Combined

Max. Power

Peak

Max. Power

+3.3V (Volts)

250W

240W

60W

300W

+5V (Volts)

+12V (Volts)

 

 

 

-12V (Volts)

+5Vsb (Volts)

 

Ripple & Noise Specification

 

+5V

+12V

-12V

+5Vsb

+3.3V

Ripple & Noise

50mV

120mV

120mV

50mV

50mV

(1) Ripple & noise test by the oscilloscope bandwidth are setting at 20MHz.

(2) Add a 0.1µF ceramic disk capacitor in parallel with a 10µF electrolytic capacitor at output connector terminals for ripple & noise measurements. If ambient temperature is under 20°C or over 30°C, the AC input should be nominal input.

Efficiency

The efficiency of the power supply during normal operating should be in below table at 115Vac/230Vac line input voltage.

Efficiency

+12V

+5V

+3.3V

-12V

+5Vsb

% of Full Load

> 82%

3.04A

1.61A

0.81A

0.09A

0.36A

20%

> 85%

7.59A

4.03A

2.01A

0.22A

0.89A

50%

> 82%

15.18A

8.06A

4.03A

0.446A

1.786A

100%

Standby Efficiency

At 115Vac, while in standby mode with a 100mA load on the +5Vsb DC output, the PSU should draw less than 1 watt of true input power.

Over Voltage Protection

+5V, +3.3V and +12V output of PSU should be protected from over voltage as below table..

DC Output

+12V

+5V

+3.3V

Max.

15.6V

7V

4.8V

Environmental Requirement

Operating Temperature : 0 to 50°C.

Storage Temperature : -40 to 70°C.

Operating Humidity : 20 to 85% related humidity (non-condensing).

Non-Operating Humidity : 10 to 95% related humidity (non-condensing).

Electromagnetic Compatibility and Safety Requirements

Conducted EMI : CE, BSMI, FCC, CISPR 22 class B.

Safety : UL+CUL, TUV EN60950-1, CB, CCC, CE, BSMI.

Reliability

MTBF : > 100,000 hours under 100% loading / 25°C.

Dimension

Body : 81.5 x 40.5 x 150 mm (W x H x D)

Ordering Guide

Model Name

Description

DPS250AB-44A

250W 1U Mini-ITX / FlexATX AC/DC ATX Power Supply

DPS250AB-44A-OEM

OEM DPS-250AB-44A with Customized power output cable

Barebone Solution

Model Name

Description

 

1U Mini-ITX Intel GM45 Core 2 Duo / Quad Mobile Platform

1U 2-Slot Rackmount Mini-ITX Intel GM45 Express Platform

  • 1U rackmount enclosure with 430 x 44 x 330 mm (W x H x D)

  • Mini-ITX Intel GM45 Core 2 Duo / Quad Mobile EmBoard

  • Intel GMCH VGA, Gbit Ethernet, HD Audio, 4 SATA-II ports

  • Tiny-Bus® 1U 2-Slot PCIe/PCI Extension Solution including 

    • One x16 PCIe and One x1 PCIe Expansion Slot

    • One x1 PCIe and One PCI Expansion Slot

    • Two PCI Expansion Slots

  • On-module PCIe Gbit Ethernet, IEEE1394b, MiniCard socket

  • Internal 2 x 3.5" / 4 x 2.5" drive bay

  • Internal AC/DC PSU with 85% efficiency, standby below 1 watt

Wallmount Mini-ITX Intel GM45 Graphics Workstation Platform

  • Industrial heavy-duty wallmount / standalone enclosure with 228 x 88 x 200 mm (W x H x D) of dimension.

  • Mini-ITX Intel GM45 Core 2 Duo / Quad Mobile EmBoard

  • Intel Gbit Ethernet, HD Audio, SATA-II, USB 2.0 ports

  • Tiny-Bus® x16 PCI Express Extension Solution including

    • Tiny-Bus x16 PCIe MXM 3.0 Type-A/B Extension Module

    • Tiny-Bus x16 PCIe MXM 2.1 Type-III/HE Extension Module

    • Tiny-Bus x16 PCIe MXM 1.3 Type-I/II Extension Module

    • Tiny-Bus x16 PCIe ATi M72 E2400 GPU Module

    • Tiny-Bus Intel SDVO Video Extension Module

    • Customized Tiny-Bus® x16 PCIe Extension Module

  • Internal 1 x 3.5" / 2 x 2.5" drive bay

  • Front 8025 fan and removable air filter

  • Internal 250W AC/DC ATX power supply

 

< See Also >

1U Mini-ITX / FlexATX 250W AC/DC ATX Power Supply


1U Rackmount Mini-ITX Platform Support Ultra Low Profile 1U Slim PCI / PCIe Add-on Card


Liantec LPC-M2B-6M45 Industrial  Wallmount / Standalone Intel GM45 Core 2 Duo / Quad Mobile Express Platform with Tiny-Bus Modular Extension Solution

Wallmount / Standalone Intel GM45 Express Platform with Tiny-Bus Extension Solution


1U Rackmount Intel GM45 DDR3 Platform with 2-Slot PCI/PCIe Extension Solution

See More Liantec Products

 

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