Datasheet > SDR250AS28-F

SDR250AS28-F

更新时间： 2024-11-25 06:11:03

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XPPOWER		/
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AC-DC Power Supplies

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SDR250AS28-F 数据手册

250 Watts

SDR Series

xppower.com

•

3.2” x 5” Footprint

Fits 1U Applications

Low Leakage Current Option

Up to 600 W Peak Power

Single & Dual Outputs

Top Fan & Convection-cooled Versions

Output Voltages from 5 V to 60 V

Specification

Input

General

Input Voltage

• 90-132 VAC/180-264 VAC,

auto ranging

Efficiency

• Single output models: 3.3 V & 5 V models

70ꢀ, 12 V models 80ꢀ, all other models

>83ꢀ at 230 V & full load. Dual output

models: >70ꢀ at 230 V & full load

Input Frequency

Input Current

• 47-63 Hz

• 6 A at 115 VAC, 3 A at 230 VAC

Isolation

• 3000 VAC Input to Output

1500 VAC Input to Ground

100 VDC Output to Ground

Inrush Current

• Max 70 A at 230 VAC, 35 A at 115 VAC,

cold start

Power Factor

• To EN61000-3-2 Class A

Switching Frequency

Power Density

Signals

• 30 kHz typical

• 10.4 W/in³

Earth Leakage Current • <1.5 mA at 264 VAC,

option ‘-L’ 500 µA leakage current

• Power Good goes Hi 100-500 ms after

output is in regulation and goes Lo at least

1 ms before loss of regulation

Input Protection

• Fitted with a T6.3 A/250 V fuse on dual

output models, T8 A/250 V fuse on single

output models

MTBF

• 100 kHrs to MIL-HDBK-217F

Output

Environmental

Output Voltage

• See tables

Operating Temperature • 0 °C to +70 °C, derate at 2.5ꢀ/ °C from

+50 °C to +70 °C for single output &

forced air cooled dual output models.

For convection cooled dual output

Output Voltage Trim

•

5ꢀ on V1 ꢁV2 of dual output models will

track by same ꢀ of adjustment)

Initial Set Accuracy

Minimum Load

•

1ꢀ

• 1ꢀ on single output models,

10ꢀ on dual output models

models, see note 7.

Storage Temperature

Operating Humidity

Storage Humidity

Cooling

• -20 °C to +85 °C

Start Up Delay

Start Up Rise Time

Hold Up Time

• 1.5 s max at 120 VAC

• 50 ms typical

• 5-90ꢀ, non-condensing

• 20 ms min at 80ꢀ of full load

• ‘-F’ version has built-in fan, others require

16 CFM to meet forced air ratings

Line Regulation

Load Regulation

•

0.5ꢀ

1ꢀ 1-100ꢀ load for single outputs

3ꢀ V1, 7ꢀ V2 for dual outputs

ꢁexcept 0312 & 0512 models, 10ꢀ

regulation on V2)

Operating Altitude

Vibration

• 3000 m

• 5-50 Hz, acceleration 7.35 m/s²on

X, Y and Z axis

Over/Undershoot

• 5ꢀ max

EMC & Safety

Transient Response

• 5ꢀ max deviation, recovery to within

1ꢀ in 500 µs for a 50ꢀ load change

Emissions

• FCC Part 15 & EN55022

Level B conducted

Ripple & Noise

• 1ꢀ pk-pk, see note 3

Harmonic Currents

ESD Immunity

Radiated Immunity

EFT/Burst

• EN61000-3-2, EN61000-3-3

Overvoltage Protection • 105-130ꢀ Vnom on output V1,

• EN61000-4-2, level 3 Perf Criteria A

• EN61000-4-3, 3 V/m Perf Criteria A

• EN61000-4-4, level 2 Perf Criteria A

• EN61000-4-5, level 3 Perf Criteria A

• EN61000-4-6, 3V Perf Criteria A

recyle input to reset

Overtemperature

Protection

• Measured internally with auto recovery

Surge

Overload Protection

• 110-140ꢀ

Conducted Immunity

Dips & Interruptions

Short Circuit Protection • Trip & restart ꢁHiccup mode), auto recovery

• EN61000-4-11 70ꢀ U for 10 ms, 40ꢀ U

Remote On/Off

Fan Supply

• Requires a low signal to inhibit output

for 100 ms, <5ꢀ U for 5000 ms

• 12 VDC, 300 mA, not available on

‘-F’ version with built-in fan

Perf Criteria A, B, B

• UL60950-1, CSA C22.2 No. 950,

EN60950-1:2001, CE Mark LVD

Safety Approvals

12 3 4

中文翻译

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