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LFM20 20w Power Supplies

Universal 90-264VAC Input

High Efficiency

Regulated Outputs

3000V Isolation

Single Outputs

UL60950 & EN60950 Approved

Model Number

Output Voltage

Output Amps

Ripple and Noise

Size (mm)

Size (Inches)

Weight (g)

Weight (oz)

Efficiency

LFM20-3.3

3.3 VDC

4.4 Amps

50mV (note 1)

88.89 x 50.8 x 20.32 mm

3.5” x 2.0” x 0.80” (NOTES 2 & 3)

88g

3.1oz

70%

LFM20-5

5 VDC

4.4 Amps

1% (note 1)

88.89 x 50.8 x 20.32 mm

3.5” x 2.0” x 0.80” (NOTES 2 & 3)

88g

3.1oz

73%

LFM20-9

9 VDC

2.45 Amps

1% (note 1)

88.89 x 50.8 x 20.32 mm

3.5” x 2.0” x 0.80” (NOTES 2 & 3)

88g

3.1oz

77%

LFM20-12

12 VDC

1.8 Amps

1% (note 1)

88.89 x 50.8 x 20.32 mm

3.5” x 2.0” x 0.80” (NOTES 2 & 3)

88g

3.1oz

80%

LFM20-15

15VDC

1.4 Amps

1% (note 1)

88.89 x 50.8 x 20.32 mm

3.5” x 2.0” x 0.80” (NOTES 2 & 3)

88g

3.1oz

80%

LFM20-24

24VDC

0.92 Amps

1% (note 1)

88.89 x 50.8 x 20.32 mm

3.5” x 2.0” x 0.80” (NOTES 2 & 3)

88g

3.1oz

82%

LFM20-3.3P

3.3 VDC

4.4 Amps

50mV (note 1)

88.89 x 50.8 x 25.4 mm

3.5” x 2.0” x 1.0”

93g

3.3oz

70%

LFM20-5P

5 VDC

4.4 Amps

1% (note 1)

88.89 x 50.8 x 25.4 mm

3.5” x 2.0” x 1.0”

93g

3.3oz

73%

LFM20-9P

9 VDC

2.45 Amps

1% (note 1)

88.89 x 50.8 x 25.4 mm

3.5” x 2.0” x 1.0”

93g

3.3oz

77%

LFM20-12P

12 VDC

1.8 Amps

1% (note 1)

88.89 x 50.8 x 25.4 mm

3.5” x 2.0” x 1.0”

93g

3.3oz

80%

LFM20-15P

15VDC

1.4 Amps

1% (note 1)

88.89 x 50.8 x 25.4 mm

3.5” x 2.0” x 1.0”

93g

3.3oz

80%

LFM20-24P

24VDC

0.92 Amps

1% (note 1)

88.89 x 50.8 x 25.4 mm

3.5” x 2.0” x 1.0”

93g

3.3oz

82%

LFM20 series

General Specifications

Isolation

3000VAC

Efficiency

70%

Safety Approvals

UL60950, EN60950

Input Specifications

Input Voltage Range

90-264 VAC

Frequency Range

47-63 Hz

Inrush Current

20A@100V, 40A@200V Input *

Leakage Current

3.5mA max.

Environmental Specifications

Operating Temperature

0 to +45°C

Storage Temperature

-20 to +85°C *

Cooling

Free Air Convection

Output Specifications

Output Voltage

3.3 VDC

Output Amps

4.4 Amps

Load Regulation

± 1% (10% FL)

Line Regulation

± 0.5% (LL-HL, FL)

Preset Accuracy

± 1%

Temperature Coefficient

±0.05%/°C

Ripple and Noise

50mV (note 1)

Short Circuit Protection

Continuous

Hold Up Time

16 mS, typ @ 115VAC

Physical Specifications

Size (mm)

88.89 x 50.8 x 20.32 mm

Size (Inches)

3.5” x 2.0” x 0.80” (NOTES 2 & 3)

Construction

Open Frame

Weight (g)

88g

Weight (oz)

3.1oz

Notes

1. Add a 0.1uF ceramic capacitor and a 10uF E.L.capacitor to output for Ripple

& Noise (R & N) measuring @ 20MHz BW.

2. Input Connector Mates with Molex Housing 09-50-3031 and Molex 2878

Series Crimp Terminal

3. Output Connector Mates with Molex Housing 09-50-3041 and Molex 2878

Series Crimp Terminal * 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.