5 Watts
xppower.com
WT Series
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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)
Efficiency
Isolation
• See table
• 5±± VDC Input to Output (1±±± MΩꢃ8± pF)
Optional high isolation versionx
Input Current (no load) • See table
Input Filter • Pi network
3±±± VDC Input to Outputx aꢁꢁ suffiꢀ ‘X’
Switching Frequency
MTBF
• 1±± kHz typiꢂal
Undervoltage Lockout • Turn On > 65% nominal input
• 1x±±± kHrs to MIL-HDBK-217F
Turn Off < 63% nominal input
Environmental
Output
Operating Temperature • -25 ºC to +7± ºC (see ꢁerating ꢂurve)
Output Voltage
Output Voltage Balance • ±1% maꢀx ꢁual output moꢁels
• see tables
Case Temperature
• +95 ºC maꢀ
Storage Temperature
• -4± ºC to +1±± ºC
Initial Set Accuracy
Start Up Rise Time
Line Regulation
• ±2% maꢀ
• 3 ms maꢀ
EMC & Safety
• ±±05% maꢀ from high line to low line
Emissions
• EN55±22x level A ꢂonꢁuꢂteꢁ
EN55±22x level A raꢁiateꢁ
Load Regulation
• ±±05% maꢀ for 1±-1±±% loaꢁ ꢂhange for
single output moꢁelsx
±10±% maꢀ for 25-1±±% loaꢁ ꢂhange for
ꢁual output moꢁels
ESD Immunity
Radiated Immunity
Conducted Immunity
Safety
• EN61±±±-4-2x level 2
Perf Criteria A
• EN61±±±-4-3 3 Vꢃm
Perf Criteria A
Cross Regulation
• ±202% on ꢁual output moꢁels
Transient Response
• <10±% maꢀ ꢁeviationx reꢂovering within
2±± µs for a 5±% loaꢁ ꢂhange
• EN61±±±-4-6 3 V rms
Perf Criteria A
Ripple & Noise
• 1±± or 10±% pk-pkx whiꢂhever is greaterx
2±MHz BW
• UL195± (for XU versions only)
Short Circuit Protection • Continuous with auto reꢂovery
Temperature
Coefficient
• ±±0±5 ꢃ/C maꢀ
