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MORNSUN LOF350-20B12 SMPS Power Supply Module
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MORNSUN LOF350-20B12
SMPS Switching Mode Power Supply 350W 12V 25A PFC
This LOF350-20B12 SMPS switching power supply module delivers 12V and 25A for a total power of 350W. The LOF350-20B12 accepts a wide supply voltage range from 90V to 260V AC or 127V to 370V DC via a 3-pin JST B5P-VH connector. It features high-quality components and PFC (Power Factor Correction), enabling it to achieve 92% efficiency. If required, a variable resistor can be used to adjust the output voltage from 11.4V to 12.6V.
Connectors include two screw terminals and a 2.5mm 2A XHS connector for powering an external fan for optimum heat dissipation.
Finally, all necessary protections, such as overtemperature, overcurrent and overvoltage protection, are built into the module. The LOF350-20B12 power supply is an ideal choice for any DIY audiophile project requiring a powerful, high-quality power supply.
Integrated PFC module
The LOF350-20B12 switching power supply features an active PFC (Power Factor Correction) with Mosfet transistor. The PFC enables a pre-splitting step to obtain a continuous, non-out-of-phase current at the power supply input. This has two advantages: firstly, the power supply's efficiency becomes optimum, with a rate of over 90%, and secondly, the advertised power values will remain as they are, whatever the input voltage to the PFC. For example, this power supply will deliver 350W whether the input voltage is 110V or 220V.
LOF350-20B12 SMPS power supply overview
| A | Power supply input 1: AC (N) / 2 : AC (L) / 3 : GND |
| B | Output 12V : Vo- / Vo+ |
| C | FAN- / FAN+ |
Technical characteristics
| Specifications | |
|---|---|
| Product type | Switching mode power supply module |
| Input voltage | 90V - 260V AC ou 127V - 370V DC |
| Operating frequency range | 47-63Hz |
| Output power | 350W |
| Voltage and current output | 12V 25A (25CFM) 12V 15A (natural air cooling) |
| Output voltage adjustment | 11.4V - 12.6V |
| Efficiency | 92% |
| Linear adjustment rate | ±0.5% |
| Load regulation rate | ±1% |
| Standby power consumption | 0.5W |
| Operating temperature | -40°/+70° |
| General | |
|---|---|
| Dimensions | 127 x 76.2 x 25.4mm |
| Weight | 295g |
| Package | 1x SMPS LOF350-20B12 switching power supply module |
| Input | PCB Connector |
| Output | PCB Connector |
| Output | Screw terminals |
| Output voltage (V) | 12.0 |
| Output current (A) | 25.0 |
| Input voltage (V) | 260.0 |
| Input voltage (V) | 90.0 |
| Power Supply | SMPS |
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