AC/DC 100W Enclosed Switching Power Supply - LM100-20Bxx Series

Product Overview

The LM100-20Bxx series is one of MORNSUN’s enclosed AC-DC switching power supplies. It features universal AC input while simultaneously accepting DC input voltage. This series is cost-effective, with low no-load power consumption, high efficiency, and high reliability. These converters offer excellent EMC performance, complying with IEC/EN61000-4, CISPR32/EN55032, IEC/EN/UL62368, EN60335, GB4943, and EN61558 standards. They are widely used in industrial, LED lighting, street light control, security, telecommunications, and smart home applications.

Key Features

• Universal 85–264VAC or 120–370VDC input voltage.

• Accepts AC or DC input (dual-use of the same terminals).

• Operating ambient temperature range: -30°C to +70°C.

• Low standby power consumption and high efficiency.

• High I/O isolation test voltage up to 4000VAC.

• Low ripple and noise.

• 150% peak power lasting for 5 seconds.

• Protections: Output short circuit, over-current, and over-voltage.

• OVC III (designed to meet EN62477).

• Suitable for operation at altitudes up to 5000 meters.

• 3-year warranty.

Selection GuideModel LM100-20B05: Certification: EN/BS EN/CCC; Output Power: 90W; Nominal Output: 5V/18A; Voltage Adjustable Range: 4.5-5.5V; Typical Efficiency at 230VAC: 85%; Maximum Capacitive Load: 10000uF.Model LM100-20B12: Certification: EN/BS EN/CCC; Output Power: 102W; Nominal Output: 12V/8.5A; Voltage Adjustable Range: 10.2-13.8V; Typical Efficiency at 230VAC: 86.5%; Maximum Capacitive Load: 6800uF.Model LM100-20B15: Certification: EN/BS EN/CCC; Output Power: 105W; Nominal Output: 15V/7.0A; Voltage Adjustable Range: 13.5-18V; Typical Efficiency at 230VAC: 86.5%; Maximum Capacitive Load: 3300uF.Model LM100-20B24: Certification: EN/BS EN/CCC; Output Power: 108W; Nominal Output: 24V/4.5A; Voltage Adjustable Range: 21.6-28.8V; Typical Efficiency at 230VAC: 89.5%; Maximum Capacitive Load: 2200uF.Model LM100-20B36: Certification: EN/BS EN/CCC; Output Power: 100.8W; Nominal Output: 36V/2.8A; Voltage Adjustable Range: 32.4-39.6V; Typical Efficiency at 230VAC: 89.5%; Maximum Capacitive Load: 1000uF.Model LM100-20B48: Certification: EN/BS EN/CCC; Output Power: 110.4W; Nominal Output: 48V/2.3A; Voltage Adjustable Range: 43.2-52.8V; Typical Efficiency at 230VAC: 90.5%; Maximum Capacitive Load: 470uF.

Notes:

1. Use suffix ‘Q’ for conformal coating and suffix “QQX” for double-side conformal coating.

2. If a terminal cover is required, please order “PJA-033” for self-installation.

3. The product picture is for reference only. Please refer to the actual product for details.

Detailed SpecificationsInput Specifications:

• Input Voltage Range: AC Input: 85–264VAC; DC Input: 120–370VDC.

• Input Frequency: 47–63 Hz.

• Input Current (Max.): 3.0A at 115VAC; 1.5A at 230VAC.

• Inrush Current (Max.): 35A at 115VAC; 65A at 230VAC.

• Leakage Current: < 0.75mA at 240VAC.

• Hot Plug: Unavailable.

Output Specifications:

• Output Voltage Accuracy: 5V: ±2%; 12V/15V/24V/36V/48V: ±1%.

• Line Regulation: ±0.5%.

• Load Regulation: 5V: ±1%; 12V/15V/24V/36V/48V: ±0.5%.

• Ripple & Noise (20MHz, p-p): 5V: 100mV; 12V/15V: 120mV; 24V: 150mV; 36V/48V: 200mV. (Tested with “Tip and barrel method,” output parallel 47uF electrolytic and 0.1uF ceramic capacitor).

• Temperature Coefficient: ±0.03%/°C.

• Minimum Load: 0%.

• Standby Power Consumption (Max.): 0.5W at 230VAC.

• Hold-up Time: 115VAC: 5-10ms (Typ. 10ms); 230VAC: 45-55ms (Typ. 55ms).

Protection Features:

• Short Circuit Protection (5V Model): Constant current mode for >5 seconds, then output turns off. Requires input restart to recover.

• Short Circuit Protection (12V/15V/24V/36V/48V Models): Hiccup mode, continuous, self-recovering (<5s recovery after fault removal).

• Over-current Protection: ≥110% Io for >5 seconds, output turns off. Restores after power restart.

• Over-voltage Protection (Hiccup, self-recover):

  • 5V Model: ≤7.5VDC

  • 12V Model: ≤19.2VDC

  • 15V Model: ≤24VDC

  • 24V Model: ≤38.4VDC

  • 36V Model: ≤57.6VDC

  • 48V Model: ≤60VDC

General & Safety Specifications:

• Isolation Voltage (Input-Output): 4000VAC for 1 minute (Leakage current <5mA).

• Insulation Resistance: ≥100 MΩ at 500VDC.

• Operating Temperature: -30°C to +70°C.

• Storage Temperature: -40°C to +85°C.

• Switching Frequency: 65 kHz (Typical).

• Power Derating: Temperature derating for 5V model: 1.6%/°C from +45°C to +70°C; for other models: 2.0%/°C from +50°C to +70°C. Input voltage derating: 0.67%/VAC from 85VAC-115VAC.

• Safety Standards: GB4943.1, IS13252 (Part1) safety approved & EN60335-1, EN61558-1, EN61558-2-16, EN/BS EN62368-1 (Report). Design refers to UL/IEC62368-1.

• Safety Class: CLASS I.

• MTBF: ≥300,000 hours (MIL-HDBK-217F @25°C).

Mechanical & Environmental:

• Case Material: Metal (AL1100, SGCC).

• Dimensions: 129.00 x 97.00 x 30.00 mm.

• Weight: 325g (5V model, Typical); 305g (Other models, Typical).

• Cooling Method: Free air convection.

EMC Performance:

• Emissions: Conducted & Radiated (CISPR32/EN55032 CLASS B); Harmonic Current (IEC/EN61000-3-2 CLASS A).

• Immunity: Complies with IEC/EN61000-4 standards for ESD, Radiated Susceptibility, EFT, Surge, Conducted Susceptibility, and Voltage Dips/Interruptions.

Characteristic Curves & Notes:The product includes Temperature Derating and Input Voltage Derating curves. Please note:

1. Output power must be derated per the curves for AC input between 85-115VAC / DC input between 120-163VDC.

2. Suitable for natural air cooling; consult FAE for closed environments.

3. Product starts at 50% output power under low temperature and low input voltage (<-30°C, below 100VAC).

Contact for Support:For technical inquiries or further information, please contact: Vic@feisman.cn