xppower.com 5 Watts WT Series 2:1 Input Range Optional 4:1 Input Range Isolated Outputs Efficiency to 82% Fully Regulated Outputs Optional 3 kVDC Isolation UL Approved Versions Specification Input General Input Voltage Range 12 V (9-18 or 9-36 VDC - A version) Efficiency See table 24 V (18-36 or 18-72 VDC - A version) Isolation 500 VDC Input to Output (1000 M /80 pF) 48 V (36-72 VDC) Optional high isolation version, Input Current (no load) See table 3000 VDC Input to Output, add suffix X Input Filter Pi network Switching Frequency 100 kHz typical Undervoltage Lockout Turn On > 65% nominal input MTBF 1,000 kHrs to MIL-HDBK-217F Turn Off < 63% nominal input Environmental Output Operating Temperature -25 C to +70 C (see derating curve) Output Voltage see tables Case Temperature +95 C max Output Voltage Balance 1% max, dual output models Storage Temperature -40 C to +100 C Initial Set Accuracy 2% max Start Up Rise Time 3 ms max EMC & Safety Line Regulation 0.5% max from high line to low line Emissions EN55022, level A conducted Load Regulation 0.5% max for 10-100% load change for EN55022, level A radiated single output models, ESD Immunity EN61000-4-2, level 2 1.0% max for 25-100% load change for Perf Criteria A dual output models Radiated Immunity EN61000-4-3 3 V/m Cross Regulation 2.2% on dual output models Perf Criteria A Transient Response <1.0% max deviation, recovering within Conducted Immunity EN61000-4-6 3 V rms 200 s for a 50% load change Perf Criteria A Ripple & Noise 100 or 1.0% pk-pk, whichever is greater, Safety UL1950 (for XU versions only) 20MHz BW Short Circuit Protection Continuous with auto recovery Temperature 0.05 /C max Coefficient DC DCDC DC WT Series Models and Ratings (6) Input Current Input Output Output Model Efficiency (1,2,4) (3) No Load Full Load Voltage Voltage Current Number 3.3 VDC 1000 mA 7.5 mA 393 mA 70% WT200 5.0 VDC 1000 mA 7.5 mA 545 mA 76% WT201 12.0 VDC 470 mA 7.5 mA 585 mA 80% WT202 9-18 VDC 15.0 VDC 400 mA 7.5 mA 625 mA 80% WT203 5.0 VDC 500 mA 12.0 mA 545 mA 76% WT204 12.0 VDC 230 mA 12.0 mA 575 mA 80% WT205 15.0 VDC 190 mA 12.0 mA 590 mA 80% WT206 3.3 VDC 1000 mA 5.0 mA 197 mA 70% WT300 5.0 VDC 1000 mA 5.0 mA 265 mA 78% WT301 12.0 VDC 470 mA 5.0 mA 285 mA 82% WT302 18-36 VDC 15.0 VDC 400 mA 5.0 mA 305 mA 82% WT303 5.0 VDC 500 mA 7.5 mA 265 mA 78% WT304 12.0 VDC 230 mA 7.5 mA 285 mA 81% WT305 15.0 VDC 190 mA 7.5 mA 295 mA 81% WT306 3.3 VDC 1000 mA 2.0 mA 98 mA 70% WT400 5.0 VDC 1000 mA 2.0 mA 133 mA 78% WT401 12.0 VDC 470 mA 2.0 mA 145 mA 81% WT402 36-72 VDC 15.0 VDC 400 mA 2.0 mA 154 mA 81% WT403 5.0 VDC 500 mA 3.0 mA 133 mA 78% WT404 12.0 VDC 230 mA 3.0 mA 142 mA 81% WT405 15.0 VDC 190 mA 3.0 mA 147 mA 81% WT406 Notes 1. Nominal input voltage 12, 24 or 48 VDC. 4. For UL1950 approval, add suffix XU to model number. UL approved 2. For optional 4:1 input range: 9-36 VDC: Add suffix A to WT2xx model product is only available with 3000 VDC isolation and option X pinout. number, 18-72 VDC: Add suffix A to WT3xx model number. 5. X or XU versions are not available with optional 4:1 input range. 3. For 3000 VDC isolation add suffix X to model number. 6. Input current is at nominal input voltage. Mechanical Details All dimensions are in inches (mm) Weight: 0.06 lbs (25 g) approx. PIN CONNECTIONS OPTION X / XU PIN CONNEC- 0.08 (2.0) 0.80 (20.3) Pin Single Output Dual Output Pin Single Output Dual Output 1 +V input +V input 1 No pin No pin 0.02 24 1 2 N/C -V output 2 -V input -V input (0.5) 23 2 22 3 3 N/C Common 3 -V input -V input 9 No pin No pin 9 N/C Common 1.25 10 -V output Common 10 N/C N/C BOTTOM (31.8) VIEW 11 +V output +V output 11 N/C -V output 0.10 (2.5) 12 -V input -V input 12 No pin No pin 16 9 13 -V input -V input 13 No pin No pin 15 10 14 11 14 +V output +V output 14 +V output +V output 13 12 15 -V output Common 15 N/C N/C 0.5 0.15 0.60 (15.2) 16 No pin No pin 16 -V output Common (10.2) (3.8) 22 N/C Common 22 +V input +V input Max 23 N/C -V output 23 +V input +V input 24 +V input +V input 24 No pin No pin + +Vin JTB05 JTB03 Derating Curve 100 80 60 40 20 0 -20 -10 0 10 20 30 40 50 60 70 80 90 100 Ambient Temperature (C) 15-Jan-07 Load (%)