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MK75 75 Watt Switch Mode Power Supplies

Compact 75 Watt Enclosed Switching Power Supplies

Universal 90-264VAC Input

Compact Footprint

High Efficiency

Regulated Outputs

3000V Isolation

Built in EMI Filter

Model Number

Output Voltage

Output Amps

MK75S-12

12 VDC

6.25A

MK75S-15

15VDC

5A

MK75S-24

24VDC

3.125A

MK75S series

Input Specifications

Input Voltage Range

90-264 VAC

Start Up Time

? 1.0 sec, typ

Frequency Range

47-63 Hz

Inrush Current

20A @ 115VAC Input *, 40A @ 230VAC Input *

General Specifications

Isolation

4242VDC

Isolation Input-Ground

2121VDC

Isolation Output-Ground

707VDC

Insulation Resistance

82%, typ

Efficiency

135Khz, typ

Switching Frequency

EN60950, IEC60950, UL60950

Environmental Specifications

Operating Temperature

0 to +60°C(see derate)

Storage Temperature

-25 to +71°C *

Relative Humidity

10% to + 95%, non-cond *

EMI

EN55011, Class B, (Designed to meet)

MTBF

100,000 Hours

Output Specifications

Output Voltage

12 VDC

Output Amps

6.25A

Load Regulation

± 0.5%, typ (NL-FL)

Line Regulation

± 0.5%, typ

Temperature Coefficient

± 0.03%/°C

Ripple and Noise

1% Pk-Pk, typ

Over Voltage Protection

Clamp *

Over Temperature Protection

Latching, recoverable after cooling and re-power

Short Circuit Protection

Indefinite

DC Voltage Adjust (typ.)

6% of FS, typ

Hold Up Time

20mS, typ (Nom I/P, FL)

Physical Specifications

Notes

Size (Inches)

5” x 3” x 1.7”

Construction

Enclosed

Weight (g)

340g

Weight (oz)

12oz

* These are stress ratings. Exposure of the devices to any of these conditions may adversely affect long term reliability. Proper operation under conditions other than the standard operating conditions is neither warranteed nor implied.

All specifications are typical at nominal input, full load, and 25°C unless otherwise noted

Astrodyne products are not authorized or warranteed for use as critical components in life support systems, equipment used in hazardous environments, nuclear controls systems, or other mission-critical applications.