50W/24 Volt SMPS AC DC Switching Power Supply Single Output
50W AC DC Open Frame Switching Power Supply single output
Descriptions
LO50-23BxxE series is a special powers upply design for the smart grid industry that meets the power industry standards.It features AC input and at the same time accepts DC input voltage,with ultra-wide input voltage range,wide operating temperature range,high reliability, and high isolation.EMC and safety specifications meet IEC/EN61000-4,CISPR32/EN55032,UL/EN/IEC62368 standards.It is suitable for smart grid occasions with poor power quality and high reliability requirements,such as smart power transmission and substations.It also can be used in microcomputer protection equipment,bus voltage protection equipment or equipment with high reliability requirements that require110VDC input voltage.
Features
- l Specific power supply designing for smart grid
- l Ultra-wide 85 - 305VAC and 88 - 430VDC input voltage range
- l Ultra-wide operating ambient temperature range:-40℃ to +85℃
- l High reliability, low output ripple & noise
- l Immunity meets electricity standard Level 4
- l Meets impulse voltage requirements of 1.2/50us 5KV
- l Designed to meet UL/EN/IEC62368 standards
- l EN62368 safety approval
Specifications
| Selection Guide | ||||||
| Certification | Part No. | Output Power |
Nominal Output Voltage and Current (Vo/Io) |
Output Voltage Adjustable Range(V) | Efficiency at 230VAC (%) Typ. | Capacitive Load (µF) Max. |
|
CE |
LO50-23B03E | 33W | 3.3V/10A | 2.97-3.63 | 84 | 20000 |
| LO50-23B05E | 50W | 5V/10A | 4.5-5.5 | 86 | 20000 | |
| LO50-23B09E | 50.4W | 9V/5.6A | 8.1-9.9 | 86 | 10000 | |
| LO50-23B12E | 50.4W | 12V/4.2A | 10.8-13.2 | 86 | 8000 | |
| LO50-23B15E | 51W | 15V/3.4A | 13.5-16.5 | 86 | 4000 | |
| LO50-23B24E | 50.4W | 24V/2.1A | 21.6-26.4 | 87 | 2000 | |
| LO50-23B27E | 51.3W | 27V/1.9A | 24.3-29.7 | 88 | 2000 | |
| LO50-23B48E | 52.8W | 48V/1.1A | 43.2-52.8 | 89 | 1000 | |
| Input Specifications | |||||
| Item | Operating Conditions | Min. | Typ. | Max. | Unit |
|
Input Voltage Range |
AC input | 85 | -- | 305 | VAC |
| DC input | 88 | -- | 430 | VDC | |
| Input Frequency | 47 | -- | 63 | Hz | |
|
Input Current |
115VAC | -- | -- | 1.2 |
A |
| 230VAC | -- | -- | 0.8 | ||
|
Inrush Current |
115VAC | -- | 20 | -- | |
| 230VAC | -- | 40 | -- | ||
| Leakage Current | 277VAC | 0.5mA RMS max. | |||
| Hot Plug | Unavailable | ||||
| Output Specifications | |||||
| Item | Operating Conditions | Min. | Typ. | Max. | Unit |
| Output Voltage Accuracy | 0% - 100% load | -- | ±2 | -- |
% |
| Line Regulation | Rated load | -- | ±0.5 | -- | |
| Load Regulation | 230VAC | -- | ±1 | -- | |
| Ripple & Noise* | 100MHz bandwidth (peak-to-peak value) | -- | -- | 150 | mV |
| Stand-by Power Consumption | -- | -- | 0.5 | W | |
| Short Circuit Protection | Hiccup, continuous, self-recovery | ||||
| Over-current Protection | ≥110%Io, self-recovery | ||||
| Mechanical Specifications | |
| Dimension | 132.00 x 50.00 x 27.10 mm |
| Weight | 145g (Typ.) |
| Cooling method | Free air convection |
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