50W Enclosed Ac Dc Enclosed Type Power Supply LED street light control



Descriptions



LM50-23Bxx series is one of Mornsun’s enclosed AC-DC switching power supply.

It features universal AC input and at the same time accepts DC input voltage,cost-effective,low no load power consumption,high efficiency and high reliability.

These converters offer excellent EMC performance and meet IEC/EN61000-4, CISPR32/EN55032, IEC/UL/EN62368, GB4943 standards.



Applications



Widely used in industrial control, LED street light control,smart home, transportation, renewable energy, IoT, power grid, automotive etc.



Features

High I/O isolation test voltage up to 4000VAC
Low ripple & noise
Output short circuit, over-current, over-voltage protection
Safety according to IEC/EN/UL62368, EN60335, EN61558, GB4943
Over-voltage class Ⅲ (designed to meet EN61558)
Operating altitude up to 5000m


Specifications



Selection Guide
Certification Part No.* Output Power (W) Nominal Output Voltage and Current (Vo/Io) Output Voltage Adjustable Range (V) Efficiency at 230VAC (%) Typ. Max. Capacitive Load (µF)






UL/CE/CCC

LM50-23B05 50 5V/10A 4.5-5.5 83 8500
LM50-23B12 50.4 12V/4.2A 10.2-13.8 86 2000
LM50-23B15 51 15V/3.4A 13.5-18 87 1500
LM50-23B24 52.8 24V/2.2A 21.6-28.8 88 1000
LM50-23B36 52.2 36V/1.45A 32.4 - 39.6 89 470
LM50-23B48 52.8 48V/1.1A 43.2-52.8 90 220
Note: *Use suffix “C” for terminal with protective cover and suffix “Q” for conformal coating.
Input Specifications
Item Operating Conditions Min. Typ. Max. Unit


Input Voltage Range

AC input 85 -- 305 VAC
DC input 120 -- 430 VDC
Input Voltage Frequency 47 -- 63 Hz


Input Current

115VAC -- -- 1.2




A

230VAC -- -- 0.8
Inrush Current 115VAC Cold start -- 30 --
230VAC -- 60 --
Leakage Current 277VAC ＜0.75mA
Hot Plug Unavailable
Output Specifications
Item Operating Conditions Min. Typ. Max. Unit


Output Voltage Accuracy



Full load range

5V -- ±2 --




%

12V/15V/24V/36V/48V -- ±1 --
Line Regulation Rated load -- ±0.5 --


Load Regulation



0% - 100% load

5V -- ±1 --
12V/15V/24V/36V/48V -- ±0.5 --




Ripple & Noise*



20MHz bandwidth (peak-to-peak value)

5V -- 80 --




mV

12V/15V -- 120 --
24V -- 150 --
36V/48V -- 240 --
Temperature Coefficient -- ±0.03 -- %/℃
Minimum Load 0 -- -- %
Stand-by Power Consumption -- -- 0.5 W
Hold-up Time 115VAC -- 8 -- ms
230VAC -- 30 --
Short Circuit Protection Recovery time <5s after the short circuit disappear. Hiccup, continuous, self-recovery


Over-current Protection



230VAC, Rated load

Normal temperature, High temperature 110%-200% Io, self-recovery
Low temperature ≥110% Io, self-recovery






Over-voltage Protection

5V ≤6.3VDC (Clamp, self-recovery)
12V ≤16.2VDC (Hiccup, self-recovery)
15V ≤21.75VDC (Hiccup, self-recovery)
24V ≤33.6VDC (Hiccup, self-recovery)
36V ≤49VDC (Hiccup, self-recovery)
48V ≤60VDC (Hiccup, self-recovery)
Note: *The “Tip and barrel method” is used for ripple and noise test, output parallel 47uF electrolytic capacitor and 0.1uF ceramic capacitor, please refer to Enclosed Switching Power Supply Application Notes for specific information.
Mechanical Specifications
Case Material Metal (AL1100, SGCC)
Dimensions 99.00 x 82.00 x 30.00 mm
Weight 190g (Typ.)
Cooling Method Free air convection


Dimensions and Recommended Layout



305VAC Input Switch AC DC Enclosed Power Supply 15V 50W Street Light Control 0