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FSP250-50LC series

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


  • Compact Form Factor with 81.5 x 40.5 x 150 mm (W x H x D) of Dimension.
  • Full Range 90~264V / 47~63Hz AC Power Input.
  • 250 Watts of Continuous Power Output Capacity.
  • 17A MAX on +12V DC Output under Continuous Loading.
  • 20+4 pin ATX and SATA Power Connector.
  • Over 85% of Efficiency under with 50% of Full Loading.
  • Under 1 Watt of True Input Power on Standby Mode. EuP Lot-6/2010 Compliant.
  • MTBF over 100,000 hours under 100% Loading / 25°C.
  • UL+CUL, TUV EN60950-1, CB, CCC, CE, BSMI Certificated.
  • Meets 1U and Mini-ITX Platform with ATX Power Requirement.
Liantec FSP250-50LC 1U AC/DC ATX Power Supply

Liantec FSP250-50LC 1U AC/DC ATX Power Supply


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FSP250-50LC Sample Enquiry


|| Overview | Specification | Connector and Cable | Ordering Guide | Barebone Solution ||

|| Product Image | Datasheet (PDF) ||


Overview

The Liantec FSP250-50LC 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 x86-based 1U low profile and mini-ITX / FlexATX embedded Small Form Factor (SFF) computing applications.

Specification

Power Input Range

The FSP250-50LC 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.

Power Output Voltage Regulation

The DC output voltages of FSP250-50LC 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

+12.0

+12.6

+5% / -5%

-12V (Volts)

-10.8

-12.0

-13.2

+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 Output Load

Min. (A)

Nom. (A)

Max. (A)

Reak (A)

+5V (Volts)

1

6

12

+12V (Volts)

1

9

17

22

-12V (Volts)

0

0.25

0.50

+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

  • Ripple & noise test by the oscilloscope bandwidth are setting at 20MHz.
  • 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.

Load %

+12V

+5V

+3.3V

-12V

+5Vsb

Efficiency

20%

3.04A

1.61A

0.81A

0.09A

0.36A

> 82%

50%

7.59A

4.03A

2.01A

0.22A

0.89A

> 85%

100%

15.18A

8.06A

4.03A

0.446A

1.786A

> 82%

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

Dimension

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

Power Output Cable

Power Output Connector Type and Cable Length

Power Output

Function

Gauge

Connector Type

Length

P1

+3.3V, +5V, +12V, -12V, +5Vsb, PW-OK, PS-ON

ATX 20+4-pin Power

20/22

WST P20-I42002K11D P4-I42002K11D or EQIV.

300 +/- 15 mm

P2

+12V

ATX P4 (+12V Aux.)

20

Molex 39-01-2040 or EQIV.

300 +/- 15 mm

PA

+5V, +12V

AT/4P Big (HDD Type)

20

AMP 1-480424-0 or EQIV.

250 +/- 15 mm

PB

+5V, +12V

AT/4P Big HDD Type)

20

AMP 1-480424-0 or EQIV.

155 +/- 15 mm

PC

+5V, +12V

AT/4P Small (FDD Type)

20

AMP 171822-4 or EQIV.

155 +/- 15 mm

PD

+3.3V, +5V, +12V

SATA Power

20

Molex SD-67582-001 or EQIV.

300 +/- 15 mm

PE

+3.3V, +5V, +12V

SATA Power

20

Molex SD-67582-001 or EQIV.

155 +/- 15 mm

» Download mechanical drawing in datasheet at FSP250-50LC

Ordering Guide

Ordering Code

Description

FSP250-50LC

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

FSP250-50LC-OEM

OEM FSP2250-50LC with Customized power output cable

Barebone Solution

Model Name

Description

R1C-QM77

Liantec R1C-QM77 Industrial 1U Mini-ITX Intel QM77 Barebone Solution Supports Ultra Low Profile 1U Slim Card

1U Rackmount Mini-ITX Intel QM77 Ivy Bridge Mobile Platform

  • 1U 19" Rackmount Chassis with 430 x 44 x 210 mm (W x H x D)
  • Mini-ITX Intel QM77 Gen3 Core-i3 / i5 / i7 Mobile Motherboard
  • VGA, DVI, HDMI, Dual Gbit Ethernet, HD Audio, USB 3.0 Ports
  • SATA-III 6Gbit/s, MiniCard Socket, x16 PCIe Expansion Slot
  • Supports Ultra Low Profile Slim 1U x1 PCIe Add-on Card
  • 40mm System Fan with Front Operating-Removable Air Filter
  • Internal 1 x 3.5" / 2 x 2.5" HDD / SSD Drive Bay
  • Internal AC/DC PSU with 85% Efficiency, Standby below 1watt

M2B-QM77

Liantec M2B-QM77 Industrial Wallmount Mini-ITX Intel QM67 Barebone Solution

Wallmount Mini-ITX Intel QM77 Ivy Bridge Mobile Platform

  • Wallmount Chassis with 230 x 88 x 230 mm (W x H x D)
  • Mini-ITX Intel QM77 Gen3 Core-i3 / i5 / i7 Mobile Motherboard
  • VGA, DVI, HDMI, Dual Gbit Ethernet, HD Audio, USB 3.0 Ports.
  • SATA-III 6Gbit/s, MiniCard Socket, x16 PCIe Expansion Slot
  • Supports Ultra Low Profile Slim 1U x1 PCIe Add-on Card
  • 80mm System Fan with Front Operating-Removable Air Filter
  • Internal 1 x 3.5" / 2 x 2.5" HDD / SSD Drive Bay
  • Internal AC/DC PSU with 85% Efficiency, Standby below 1watt

SEE ALSO

Liantec R1C-QM77 Industrial 1U Mini-ITX Intel QM77 Barebone Solution Supports Ultra Low Profile 1U Slim Card

R1C-QM77

Industrial 1U 19" Rackmount Intel QM77 Ivy Bridge Core-i3 / i5 / i7 / Celeron Mobile Barebone Solution


Liantec M2B-QM77 Industrial Wallmount Mini-ITX Intel QM77 Ivy Bridge Mobile Barebone Solution

M2B-QM77

Industrial Wallmount / Standalone Intel QM77 Ivy Bridge Mobile Barebone Solution

► See More Liantec Products


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