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DC-DC
3 Watts WA Series
* * * * * * * 2:1 Input Range Optional 4:1 Input Range Efficiency to 74% Input Pi Filter Fully Regulated Outputs Optional 3 kVDC Isolation UL Approved Versions
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Specification
Input
Input Voltage Range * 5 V (4.5-6.0 VDC) 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) * See table * Pi network * Turn On > 65% nominal input Turn Off < 62% nominal input
General
Efficiency Isolation * See table * 500 VDC Input to Output (1000 M/80 pF) Optional high isolation version, 3000 VDC Input to Output, add suffix `X' to model number * 100 kHz typical * 1,000 kHrs to MIL-HDBK-217F
Input Current Input Filter Undervoltage Lockout
Switching Frequency MTBF
Environmental Output
Output Voltage Output Voltage Balance Intial Set Accuracy Start Up Delay Start Up Rise Time Line Regulation Load Regulation * * * * * * * See table 1% max, dual output models 2% max 30 ms max 35 ms typical 0.5% max (high line to low line) 0.5% max for 10-100% load change single output models, 1.0% max for 25-100% load change dual output models 2.2% on dual output models <1.5% max deviation, recovering within 200 s for a 50% load change 100 mV or 1% pk-pk, whichever is greater, 20MHz BW 110-130% trip and restart (Hiccup mode) Continuous with auto recovery 30,000 F Operating Temperature * -25 C to +70 C Case Temperature * +95 C max Storage Temperature * -40 C to +100 C
EMC & Safety
Emissions ESD Immunity Radiated Immunity Conducted Immunity Safety Approvals * EN55022, level A conducted EN55022, level A radiated * EN61000-4-2, level 2 Performance Criteria A * EN61000-4-3 3 V/m Performance Criteria A * EN61000-4-6 3 V rms Performance Criteria A * UL1950 for XU versions only
Cross Regulation Transient Response Ripple & Noise Overcurrent Protection Short Circuit Protection Maximum Capacitive Load Temperature Coefficient
* * * * * *
* 0.05 /C max
DC-DC
Models and Ratings
Input Voltage (1,2,5) Output Voltage 3.3 VDC 5.0 VDC 12.0 VDC 15.0 VDC 5.0 VDC 12.0 VDC 15.0 VDC 3.3 VDC 5.0 VDC 12.0 VDC 15.0 VDC 5.0 VDC 12.0 VDC 15.0 VDC 3.3 VDC 5.0 VDC 12.0 VDC 15.0 VDC 5.0 VDC 12.0 VDC 15.0 VDC 3.3 VDC 5.0 VDC 12.0 VDC 15.0 VDC 5.0 VDC 12.0 VDC 15.0 VDC Output Current 600 mA 600 mA 250 mA 200 mA 250 mA 125 mA 100 mA 600 mA 600 mA 250 mA 200 mA 250 mA 125 mA 100 mA 600 mA 600 mA 250 mA 200 mA 250 mA 125 mA 100 mA 600 mA 600 mA 250 mA 200 mA 250 mA 125 mA 100 mA Input Current (6) No Load Full Load 15.0 mA 619 mA 15.0 mA 850 mA 15.0 mA 800 mA 15.0 mA 800 mA 25.0 mA 850 mA 25.0 mA 800 mA 25.0 mA 800 mA 7.5 mA 236 mA 7.5 mA 340 mA 7.5 mA 320 mA 7.5 mA 320 mA 12.0 mA 340 mA 12.0 mA 320 mA 12.0 mA 320 mA 5.0 mA 113 mA 5.0 mA 168 mA 5.0 mA 156 mA 5.0 mA 156 mA 7.5 mA 168 mA 7.5 mA 156 mA 7.5 mA 156 mA 3.0 mA 58 mA 2.0 mA 82 mA 2.0 mA 78 mA 2.0 mA 78 mA 3.0 mA 82 mA 3.0 mA 80 mA 3.0 mA 80 mA
WA Series
Efficiency 64% 70% 75% 75% 70% 75% 75% 70% 73% 78% 78% 73% 78% 78% 73% 74% 80% 80% 74% 80% 80% 71% 76% 80% 80% 76% 78% 78% Model Number (3,4) WA100 WA101 WA102 WA103 WA104 WA105 WA106 WA200 WA201 WA202 WA203 WA204 WA205 WA206 WA300 WA301 WA302 WA303 WA304 WA305 WA306 WA400 WA401 WA402 WA403 WA404 WA405 WA406
4.5-6.0 VDC
9-18 VDC
18-36 VDC
36-72 VDC
Notes
1. 2. 3. 4. 5. 6. Nominal input voltage 5, 12, 24 or 48 VDC. For optional 4:1 input range: 9-36 VDC: Add suffix `A' to WA2xx model number, 18-72 VDC: Add suffix `A' to WA3xx model number. For 3000 VDC isolation add suffix `X' to model number. For UL1950 approval, add suffix `XU' to model number. UL approved product is only available with 3000 VDC isolation and option `X' pinout. `X' or `XU' versions are not available with optional 4:1 input range. Input current is at nominal input voltage.
Mechanical Details
All dimensions are in inches (mm) Weight: 0.04 lbs (20 g) approx. PIN CONNECTIONS OPTION `X' PIN CONNECTIONS Pin 1 2 3 9 10 11 12 13 14 15 16 22 23 24 Single Output No pin -V input -V input N/C N/C N/C No pin No pin +V output N/C -V output +V input +V input No pin Dual Output No pin -V input -V input Common N/C -V output No pin No pin +V output N/C Common +V input +V input No pin
0.08 (2.0) 0.02 (0.5) 1.25 (31.8) 24 23 22 BOTTOM VIEW 16 15 14 13 9 10 11 12 1 2 3
Pin 1 2 3 9 10 11 12 13 14 15 16 22 23 24
Single Output +V input N/C N/C No pin -V output +V output -V input -V input +V output -V output No pin N/C N/C +V input
Dual Output +V input -V output Common No pin Common +V output -V input -V input +V output Common No pin Common -V output +V input
0.10 (2.5)
0.5 (12.7) Max
0.15 (3.8)
0.60 (15.2) 0.80 (20.3)
25-Oct-05

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