MFA350PS12

AC-DC 350 Watts MFA350 Series • • • • • • • Screw Terminals Available xppower.com U-Channel, Cover Fan & Hotswap Formats High Power Density up to 11.1 W/in3 -10 °C to +70 °C Operation Power Fail, DC OK & Active Current Share 5 V Standby & 12 V Fan Supply Outputs 48 VDC Input Versions Available (DFA350) Specification Input Input Voltage • 85-264 VAC (derate output power 10% below 90 VAC) Input Frequency • 47-63 Hz Input Current • Typically 3.6 A at 115 VAC & 1.8 A at 230 VAC Inrush Current • 0.9 harmonics compliant with EN61000-3-2 Class A Earth Leakage Current • Typically 1 mA at 230 VAC/50 Hz, 0.5 mA at 115 VAC/60 Hz Input Protection • T6.3 A/250 V internal in line fuse General Efficiency Isolation • Typically 86% • 3000 VAC Input to Output 1500 VAC Input to Ground 100 VDC Output to Ground • Typically PFC 62 kHz, main converter 157 kHz • 11.1 W/In3 • Power Fail - open collector, transistor off for AC good, ≥ 5 ms warning of loss of output. DC OK - open collector, transistor off for DC good • Typically 460 kHrs to MIL-HDBK-217F, notice 2, +25 °C GB Switching Frequency Power Density Signals MTBF Output Output Voltage Output Voltage Trim Initial Set Accuracy Minimum Load Start Up Delay Hold Up Time Drift Line Regulation Load Regulation Over/Undershoot Transient Response Ripple & Noise Overvoltage Protection Overtemperature Protection Overload Protection Short Circuit Protection Temperature Coefficient Remote Sense Remote On/Off Current Share • • • • • • • • • • • • • • • • • See tables ±10% V1 ±1%, V2 ±5%, V3 ±3% No minimum load required 2 s maximum, typically 1 s 16 ms minimum at 90 VAC full load ±0.2% after 20 min warm-up V1 ±0.5%, V2 ±3.0%, V3 ±0.5% V1 ±1.0%, V2 ±5.0%, V3 ±1.0%, 0-100% load V1 & V3, 10-100% load V2