DC-DC 5 Watts xppower.com 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) 24 V (18-36 or 18-72 VDC - A version) 48 V (36-72 VDC) Input Current (no load) • See table Input Filter • Pi network Undervoltage Lockout • Turn On > 65% nominal input Turn Off < 63% nominal input Efficiency Isolation Switching Frequency MTBF • See table • 500 VDC Input to Output (1000 MΩ/80 pF) Optional high isolation version, 3000 VDC Input to Output, add suffix ‘X’ • 100 kHz typical • 1,000 kHrs to MIL-HDBK-217F Environmental Output Output Voltage Output Voltage Balance Initial Set Accuracy Start Up Rise Time Line Regulation Load Regulation • • • • • • Cross Regulation Transient Response • • Ripple & Noise • Short Circuit Protection • Temperature • Coefficient see tables ±1% max, dual output models ±2% max 3 ms max ±0.5% max from high line to low line ±0.5% max for 10-100% load change for single output models, ±1.0% max for 25-100% load change for dual output models ±2.2% on dual output models <1.0% max deviation, recovering within 200 µs for a 50% load change 100 or 1.0% pk-pk, whichever is greater, 20MHz BW Continuous with auto recovery ±0.05 /°C max Operating Temperature • -25 ºC to +70 ºC (see derating curve) Case Temperature • +95 ºC max Storage Temperature • -40 ºC to +100 ºC EMC & Safety Emissions ESD Immunity Radiated Immunity Conducted Immunity Safety • 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 • UL1950 (for XU versions only) Input Voltage (1,2,4) 9-18 VDC 18-36 VDC 36-72 VDC Output Voltage 3.3 5.0 12.0 15.0 ±5.0 ±12.0 ±15.0 3.3 5.0 12.0 15.0 ±5.0 ±12.0 ±15.0 3.3 5.0 12.0 15.0 ±5.0 ±12.0 ±15.0 Input Current Output Current VDC VDC VDC VDC VDC VDC VDC VDC VDC VDC VDC VDC VDC VDC VDC VDC VDC VDC VDC VDC VDC 1000 1000 470 400 ±500 ±230 ±190 1000 1000 470 400 ±500 ±230 ±190 1000 1000 470 400 ±500 ±230 ±190 No Load mA mA mA mA mA mA mA mA mA mA mA mA mA mA mA mA mA mA mA mA mA 7.5 7.5 7.5 7.5 12.0 12.0 12.0 5.0 5.0 5.0 5.0 7.5 7.5 7.5 2.0 2.0 2.0 2.0 3.0 3.0 3.0 mA mA mA mA mA mA mA mA mA mA mA mA mA mA mA mA mA mA mA mA mA (6) Full Load 393 545 585 625 545 575 590 197 265 285 305 265 285 295 98 133 145 154 133 142 147 Efficiency Model Number (3) 70% 76% 80% 80% 76% 80% 80% 70% 78% 82% 82% 78% 81% 81% 70% 78% 81% 81% 78% 81% 81% WT200 WT201 WT202 WT203 WT204 WT205 WT206 WT300 WT301 WT302 WT303 WT304 WT305 WT306 WT400 WT401 WT402 WT403 WT404 WT405 WT406 mA mA mA mA mA mA mA mA mA mA mA mA mA mA mA mA mA mA mA mA mA Notes 1. Nominal input voltage 12, 24 or 48 VDC. 2. For optional 4:1 input range: 9-36 VDC: Add suffix ‘A’ to WT2xx model number, 20-72 VDC: Add suffix ‘A’ to WT3xx model number. 3. For 3000 VDC isolation add suffix ‘X’ to model number. 4. For UL1950 approval, add suffix ‘XU’ to model number. UL approved product is only available with 3000 VDC isolation and option ‘X’ pinout. 5. ‘X’ or ‘XU’ versions are not available with optional 4:1 input range. 6. Input current is at nominal input voltage. Mechanical Details All dimensions are in inches (mm) Weight: 0.06 lbs (25 g) approx. 0.08 (2.0) 0.02 (0.5) 24 23 22 0.10 (2.5) 0.5 (12.7) Max 1.25 (31.8) 0.15 (3.8) Pin 1 2 3 9 10 11 12 13 14 15 16 22 23 24 1 2 3 BOTTOM VIEW 9 10 11 12 16 15 14 13 0.60 (15.2) 0.80 (20.3) PIN CONNECTIONS Single Output Dual Output +V input +V input N/C -V output N/C Common No pin No pin -V output Common +V output +V output -V input -V input -V input -V input +V output +V output -V output Common No pin No pin N/C Common N/C -V output +V input +V input OPTION ‘X’ / ‘XU’ PIN CONNECTIONS Pin Single Output Dual Output 1 No pin No pin 2 -V input -V input 3 -V input -V input 9 N/C Common 10 N/C N/C 11 N/C -V output 12 No pin No pin 13 No pin No pin 14 +V output +V output 15 N/C N/C 16 -V output Common 22 +V input +V input 23 +V input +V input 24 No pin No pin Derating Curve 100 Load (%) 80 60 40 20 0 -20 -10 0 10 20 30 40 50 60 Ambient Temperature (ºC) 70 80 90 100 11-Nov-05 DC-DC WT Series Models and Ratings