25-30 Watts xppower.com 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 Specification Input General Input Voltage Range • See table Efficiency • See table Input Current • See Table Isolation Voltage • 500 VDC min (3000 VDC for ‘U’ version) 9 Input Filter • Pi network Isolation Resistance •10 ohms min Undervoltage Lockout • Turn On >70% nominal input Switching Frequency • 300 kHz typical Turn Off <65% nominal input MTBF • >800 kHrs to MIL-STD-217F Output Environmental Initial Set Accuracy • Single output models: ±2% max Operating Temperature • -25 ˚C to +100 ˚C (see derating curve) Dual output models: ±2% max V1 Storage Temperature • -40 ˚C to +100 ˚C ±3% max V2 EMI/RFI • Six-sided continuous shield Triple output models: ±2% max V1 ±5% max V2 & V3 EMC & Safety Output Voltage • ±10% (except triple output models) Adjustment Emissions • EN55022, level A Conducted EN55022, level A Radiated Minimum Load • Triple output models only ESD Immunity • EN61000-4-2, level 2 Voltage Balance • ±1.0% max at full load Perf Criteria A Dual Output Radiated Immunity • EN61000-4-3 3 V/m Line Regulation • ±0.5% max single & dual output models, Perf Criteria A ±1.0% max triple output models Conducted Immunity • EN61000-4-6 3 V rms Load Regulation • ±1.0% max single & dual output models, Perf Criteria A ±5.0% max triple output models Safety Approvals • UL60950-1 for ‘U’ versions only 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 Remote On/Off • On >5.5 VDC or open circuit Off <1.8 VDC or short to Vin DC-DC DC-DC WF Series Models and Ratings Input Current Input Output Output Model Efficiency (1) No Load Full Load Voltage Voltage Current Number 3.3 VDC 5.00 A 30 mA 1.86 A 74% WF100 5.0 VDC 5.00 A 30 mA 2.67 A 78% WF101 12.0 VDC 2.50 A 30 mA 3.05 A 82% WF102 15.0 VDC 2.00 A 30 mA 3.05 A 82% WF103 9-18 VDC ±5.0 VDC ±2.50 A 35 mA 2.67 A 78% WF104 ±12.0 VDC ±1.25 A 35 mA 3.05 A 82% WF105 ±15.0 VDC ±1.00 A 35 mA 3.05 A 82% WF106 5.0/±12.0 VDC 3.50/±0.31 A 35 mA 2.64 A 79% WF107 5.0/±15.0 VDC 3.50/±0.25 A 35 mA 2.64 A 79% WF108 3.3 VDC 5.00 A 30 mA 0.92 A 75% WF200 5.0 VDC 5.00 A 30 mA 1.34 A 79% WF201 12.0 VDC 2.50 A 30 mA 1.52 A 82% WF202 15.0 VDC 2.00 A 30 mA 1.52 A 82% WF203 18-36 VDC ±5.0 VDC ±2.50 A 30 mA 1.34 A 79% WF204 ±12.0 VDC ±1.25 A 30 mA 1.47 A 85% WF205 ±15.0 VDC ±1.00 A 30 mA 1.47 A 85% WF206 5.0/±12.0 VDC 3.50/±0.31 A 30 mA 1.32 A 80% WF207 5.0/±15.0 VDC 3.50/±0.25 A 30 mA 1.32 A 80% WF208 3.3 VDC 5.00 A 20 mA 0.46 A 75% WF300 5.0 VDC 5.00 A 20 mA 0.66 A 79% WF301 12.0 VDC 2.50 A 20 mA 0.76 A 82% WF302 15.0 VDC 2.00 A 20 mA 0.76 A 82% WF303 36-72 VDC ±5.0 VDC ±2.50 A 25 mA 0.66 A 79% WF304 ±12.0 VDC ±1.25 A 25 mA 0.73 A 85% WF305 ±15.0 VDC ±1.00 A 25 mA 0.73 A 85% WF306 5.0/±12.0 VDC 3.50/±0.31 A 25 mA 0.65 A 80% WF307 5.0/±15.0 VDC 3.50/±0.25 A 25 mA 0.65 A 80% WF308 Notes 1. For optional UL60950-1 approved product, add suffix ‘U’ to model number. Mechanical Details All dimensions are in inches (mm) Weight: 0.15 lbs (66 g) approx. Case Material: Black coated copper with non-conductive base. 0.40 0.40 0.40 0.40 (10.16) (10.16) (10.16) (10.16) PIN CONNECTIONS Pin Single Output Dual Output Triple Output 8 7 6 5 1 Remote On/Off Remote On/Off Remote On/Off 2 No pin No pin No pin 3 -V input -V input -V input 1.80 2.00 4 +V input +V input +V input BOTTOM VIEW (45.7) (50.8) 5 Output trim Output trim -Output 6 -Output -Output Common OPERATING LIMITS AND OUTPUT POWER RANGE 7 +Output Common +5V Output Output 4 3 2 1 8 No pin +Output +Output Power (%) (1) TRIPLE OUTPUT LOADING TABLE 0.90 100 0.20 (22.9) Output Current (5.1) Voltage (2) 2.00 (50.8) Pin No. Minimum Maximum 75 7 +5 0.50 A 3.50 A 0.04 (1.02) DIA NATURAL 8 & 5 +12 or -12 0.10 A 0.31 A CONVECTION 50 8 & 5 +15 or -15 0.10 A 0.25 A COOLING 0.40 (10.2) 0.22 Notes (5.6) 25 min 1. Maximum total power from all outputs is limited to 25 W but no output should be allowed to exceed its maximum current. 2. Minimum current on each output is required to maintain specified regulation. -20 0 +20 +40 +60 +80 +100 ˚C Application Notes Derating Curve External Output Trimming 100 80 PIN 7 60 10K Output may optionally be externally trimmed (±10%) with a fixed 40 TRIM PIN 6 resistor 10K or external trimpot DOWN as shown 20 TRIM TRIM UP UP/DOWN 0 -20 -10 0 10 20 30 40 50 60 70 80 90 100 PIN 5 Ambient Temperature (ºC) 08-Apr-08 Load (%)