Features 90Vac-264Vac input voltage range 22.4Vdc to 30.8Vdc Output voltage range (Trim pin voltage adjustment supported) 500W rated power, maximum efficiency ≥ 92% Support multiple parallel functions (number ≤ 8) Temperature adaptation range: -55℃~+100℃ (substrate) Package size: 63.0mmx61.0mmx 12.7mm Input characteristics: Rated input voltage 220Vac Operating voltage range 90V-264V VAC Input current ≤4.5A Input current ripple ≤10% @110/220VAC (full load) Output characteristics: Rated output voltage 28Vdc Output voltage range 22.4Vdc~30.8Vdc Output power 500W/28Vdc @TC=70℃, Vin≥198V Uniform current imbalance 5% (50%~100%) Ripple and noise Ripple: ≤20 mV ( 20MHz, 100nf@10uf ); Noise: 45dB Safety Regulation/EMC Safety regulation GB4943, UL62368-1, IEC62368-1, EN62368-1