Protection Features
| OCP (Cold @ 27°C) | 12V: 92A (129.94%), 12.052V 5V: 27.8A (126.36%), 5.027V 3.3V: 24.5A (111.36%), 3.257V 5VSB: 4.7A (156.67%), 4.909V |
| OCP (Hot @ 43°C) | 12V: 91.6A (129.38%), 12.101V 5V: 27.6A (125.45%), 5.029V 3.3V: 23A (104.55%), 3.262V 5VSB: 4.6A (153.33%), 4.903V |
| OPP (Cold @ 28°C) | 1092.96W (128.58%) |
| OPP (Hot @ 43°C) | 1072.96W (126.23%) |
| OTP | ✓ (120°C @ secondary side) |
| SCP | 12V to Earth: ✓ 5V to Earth: ✓ 3.3V to Earth: ✓ 5VSB to Earth: ✓ -12V to Earth: ✓ |
| PWR_OK | Proper operation |
| NLO | ✓ |
| Fan Failure Protection | ✗ |
| SIP | Surge: MOV Inrush: NTC Thermistor |
OCP is set below 130% at 12V, but it is similar in cold and hot conditions, which is incorrect. The same happens at the 5V rail. On the other hand, the 3.3V rail’s OCP triggering point is correctly set. The over power protection is conservatively set, but I would like to see a lower trigger point at high temperatures. Lastly, all other essential protection features are present.
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Thank you for the review. What kind of problem could it be if it drops below 3.14V? Thanks for the answer in advance.
It will apply high stress to the corresponding DC-DC converter that expects 3.3V at its input. This is why the ATX spec sets as the lowest limit the 3.14V level.
Thank you for the information. Then I’ll go back to the beginning and start looking for a new psu. I benefit a lot from your articles. Thank you.