... fanPWM control and regulatedBuilt-in cooling Fan ON-OFF control100% full load burn-in testFixed switching frequency at 25KHzLow cost 250W ... REGULATION±0.5%SETUP, RISE, HOLD TIME200ms, 50ms, 20ms at full loadOVERLOAD105 ~ 135% rated output power Protection type : Hiccup mode, recovers ... removed.FAN CONTROL O.T.P.RTH3 ≥55ºC FAN ON, ≤45ºC FAN OFF, ≥80ºC output shutdown (5 ~ 7.5V)RTH3 ≥65 ...