Transient Response
20% Load – 20ms
Voltage | Before | After | Change | Pass/Fail |
12V | 12.166V | 11.929V | 1.94% | Pass |
5V | 5.044V | 4.951V | 1.85% | Pass |
3.3V | 3.325V | 3.172V | 4.61% | Pass |
5VSB | 5.082V | 5.041V | 0.80% | Pass |
50% Load -20ms
Voltage | Before | After | Change | Pass/Fail |
12V | 12.134V | 12.012V | 1.00% | Pass |
5V | 5.037V | 4.931V | 2.11% | Pass |
3.3V | 3.319V | 3.157V | 4.87% | Pass |
5VSB | 5.050V | 5.005V | 0.90% | Pass |
The transient response is not good at 12V because of the high voltage drop during the 20% load test. It is decent at 5V and mediocre at 3.3V.
Transient Response ATX v3.1 Tests
The PSU passes all ATX v3.1 transient response tests, but the 3.3V rails drop low, below 3.2V.
The 12V rail performs well in these tests since the transient load is applied while the PSU is already in a high-load operation.
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