WF203

DC-DC 25-30 Watts WF Series • • • • • • • 2:1 Input Range Efficiency to 85% Input Pi Filter Single, Dual & Triple Outputs Remote On/Off Six-sided Metal Case External Output Trim xppower.com Specification Input Input Voltage Range Input Current Input Filter Undervoltage Lockout • • • • See table See Table Pi network Turn On >70% nominal input Turn Off 800 kHrs to MIL-STD-217F Output Initial Set Accuracy • Single output models: ±2% max Dual output models: ±2% max V1 ±3% max V2 Triple output models: ±2% max V1 ±5% max V2 & V3 • ±10% (except triple output models) • Triple output models only • ±1.0% max at full load Environmental Operating Temperature • -25 ˚C to +100 ˚C (see derating curve) Storage Temperature • -40 ˚C to +100 ˚C EMI/RFI • Six-sided continuous shield Output Voltage Adjustment Minimum Load Voltage Balance Dual Output Line Regulation EMC & Safety Emissions ESD Immunity Radiated Immunity Conducted Immunity Safety Approvals • EN55022, level A Conducted EN55022, level A Radiated • EN61000-4-2, level 2 Perf Criteria A • EN61000-4-3 3 V/m Perf Criteria A • EN61000-4-6 3 V rms Perf Criteria A • UL60950-1 for ‘U’ versions only • ±0.5% max single & dual output models, ±1.0% max triple output models Load Regulation • ±1.0% max single & dual output models, ±5.0% max triple output models Transient Response • 5% max deviation, recovery to within 1% in 500 µs for a 25% step load change Ripple & Noise • 10 mV RMS max 75 mV pk-pk max, 20 MHz BW Short Circuit Protection • Continuous, trip & restart (hiccup mode) with auto recovery Temperature • 0.02%/˚C max Coefficient • On >5.5 VDC or open circuit Remote On/Off Off