GLC75-28【PDF 1/2 页】POWER SUPPLY SWITCHER 75W 28V

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GLC75 Commercial/ GLM75 Medical

75 Watt Single Output Global Performance Switchers

FEATURES:

Cost-effective single-output power source

3.4" x 5.75" x 1.56" (meets 1U applications)

Universal input 90-264 Vac

2-year warranty

Complies with EN61000-3-2 Class A

Also available in multiple output versions

Conducted EMI exceeds FCC Class B and CISPR 22

Class B (Commercial models) and CISPR 11 Class B

(Medical models)

? Commercial Approved to UL1950, CSA22.2 No. 234

and IEC950, EN60950

? Medical Approved to UL2601-1, IEC601-1 and

SPECIFICATIONS:

CSA22.2 No. 601

marked to LVD

Ac Input

90-264 Vac, 47-63 Hz single phase.

Inrush Current

Input Current

Maximum input current at 120 Vac, 60 Hz with full rated

output load not to exceed 2.3 A.

Output Power

Normal continuous output power is 75 W for unrestricted

Inrush limited by internal thermistors. Inrush at 240 Vac,

averaged over the first ac half-cycle under cold start

conditions will not exceed 37 A.

Temperature Coefficient

0.03%/ ° C typical on all outputs.

natural convection cooling; 110 W with 26 cfm airflow.

Power Fail

Output Regulation

Regulation measured by changing from 5% to 50% load

or 50% load to full load in either direction.

Overload Protection

Factory set to begin power limiting at approximately 120

W (GLC 75-5 is set at approximately 100 W). Fully

protected against short circuit and output overload. Short

A standard TTL or CMOS compatible output goes low

(< 0.5 V) 5ms before output voltage drops more than 4%

below nominal voltage upon loss of ac power. Signal is

factory set to trip on 84 to 94 Vac brown-out depending

upon incoming line impedance and distortion. Other

settings are available through adjustment of built-in

potentiometer (consult factory for assistance). Output will

stay low for 20 ms minimum.

circuit protection is cycling type power limit.

EMI/EMC Compliance

Output Noise

0.5% rms, 1% pk-pk, 20 MHz bandwidth, differential

All models include built-in EMI filtering to meet the

following emissions requirements:

mode. Measured with noise probe directly across output

terminals of the power supply.

Transient Response

Main Output: 500 μs typical response time for return to

within 0.5% of final value for a 50% load step change, ? i/

? t<0.2 A/μs. Maximum voltage deviation is 3.5%. Startup/

shutdown overshoot less than 3%.

EMI SPECIFICATIONS

Conducted Emissions GLC75

Conducted Emissions GLM75

Static Discharge

RF Field Susceptibility

Fast Transients/Bursts

Surge Susceptibility

Line Frequency Harmonics

COMPLIANCE LEVEL

EN55022 Class B; FCC Class B

EN55011 Class B; FCC Class B

EN61000-4-2, 6 kV contact, 8 kV air

EN61000-4-3, 3 V/meter

EN61000-4-4, 2 kV, 5 kHz

EN61000-4-5, 1 kV diff., 2 kV com.

EN61000-3-2 Class A

Overvoltage Protection

Standard on all models.

Voltage Adjust

Factory set on standard unit; however, potentiometer

adjusts voltage ±5% minimum. Consult factory for

application assistance.

Efficiency

72-85% depending on model.

Input Protection

Commercial Safety

All GLC models are approved to UL1950, CSA22.2 No.

234 Level 3, IEC950 and EN60950. Consult factory for

approval status.

Medical Leakage Current

70 μA 264 V @ 50 Hz (normal conditions).

Medical Safety

All GLM models are approved to UL2601-1, CSA-C22.2

No. 601.1, IEC601-1 and EN60601-1. Consult factory for

approval status.

Internal ac fuse provided. Designed to blow only if a

catastrophic failure occurs in the unit — fuse does not blow

on overload or short circuit.

Condor D.C. Power Supplies, Inc., 2311 Statham Parkway, Oxnard, CA 93033

800-235-5929 ? 805-486-4565 ? FAX 805-487-8911 ? www.condorpower.com

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