Overview

This document provides detailed technical specifications, safety standards, environmental conditions, protection features, and mechanical details for the 100W Single Output Switching Power Supply LRS-100 series by Mean Well.

Specifications

• Models and Output Voltages: Available in 3.3V, 5V, 12V, 15V, 24V, 36V, and 48V variants.
• Rated Current: Ranges from 2.3A (48V model) up to 20A (3.3V model).
• Rated Power: Approximately 66W to 110.4W depending on model.
• Output Voltage Adjustment Range: Each model has a specified adjustable voltage range (e.g., 3.8~4.45V for 5V model).
• Ripple & Noise: Maximum ripple ranges from 100mVp-p to 200mVp-p depending on output voltage.
• Voltage Tolerance: ±1.0% typical, with line regulation ±0.5% and load regulation ±0.5% to ±2.0% depending on model.
• Input Voltage Range: 85~264VAC or 120~373VDC withstanding 300VAC surge for 5 seconds.
• Frequency Range: 47~63Hz.
• Efficiency: Typical efficiency ranges from 84.5% to 91% depending on model.
• Inrush Current: Cold start 50A at 230VAC.
• Leakage Current: Less than 0.75mA at 240VAC.
• Hold-up Time: Typically 55ms at 230VAC full load.

Protection Features

• Overload Protection (O.L.P.): Hiccup mode with automatic recovery after fault removal.
• Overvoltage Protection (O.V.P.): Shut down output voltage, requires re-power on to recover.

Safety and Compliance

• Certified to UL 62368-1, TUV EN62368-1, EN60335-1, EN61558-1, BSMI CNS14336-1, CCC GB4943, and other regional standards.
• EMC compliance includes EN55032 (CISPR32) Class B, EN55014, EN61000-3-2/-3, GB/T 9254, and others.
• EMC Immunity tested to EN61000-4 series standards and heavy industry level criteria A.
• Overvoltage category III compliant with EN61558, EN50178, EN60664-1, EN62477-1; suitable for altitudes up to 2000 meters.

Environmental Conditions

• Operating temperature range: -30°C to +70°C (with derating).
• Storage temperature: -40°C to +85°C.
• Humidity: 20% to 90% RH non-condensing during operation; 10% to 95% RH non-condensing for storage.
• Vibration resistance: 10~500Hz, 5G, 10 minutes per cycle along X, Y, Z axes.
• MTBF: Minimum 720,600 hours at 25°C per MIL-HDBK-217F.

Mechanical and Installation Details

• Dimensions: 129mm (L) x 97mm (W) x 30mm (H).
• Weight: Approximately 0.34 kg.
• Packing: 40 pieces per carton, total weight 14.6 kg, volume 0.92 cubic feet.
• Terminal pin assignments clearly defined for DC output, AC input, and FG (frame ground).
• Includes a derating curve for operation at different ambient temperatures and loads.
• Block diagram provided showing internal circuit components such as EMI filter, rectifiers, power switching, control, and protection circuits.

Additional Notes

• Setup and rise time: 500ms at 230VAC, 30ms at 115VAC at full load.
• Recommended to refer to the official manual at http://www.meanwell.com/manual.html for detailed installation and usage instructions.