Specification
3 Watts
• 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
WA Series
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)
Input Current • See table
Input Filter • Pi network
Undervoltage Lockout • Turn On > 65% nominal input
Turn Off < 62% nominal input
Output
Output Voltage • See table
Output Voltage Balance • ±1% max, dual output models
Intial Set Accuracy • ±2% max
Start Up Delay • 30 ms max
Start Up Rise Time • 35 ms typical
Line Regulation • ±0.5% max (high line to low line)
Load Regulation • ±0.5% max for 10-100% load change
single output models, ±1.0% max for
25-100% load change dual output models
Cross Regulation • 2.2% on dual output models
Transient Response • <1.5% max deviation, recovering within
200 µs for a 50% load change
Ripple & Noise • 100 mV or 1% pk-pk, whichever is
greater, 20MHz BW
Overcurrent Protection • 110-130% trip and restart (Hiccup mode)
Short Circuit Protection • Continuous with auto recovery
Maximum Capacitive • 30,000 µF
Load
Temperature • ±0.05 /°C max
Coefficient
xppower.com
General
Efficiency • See table
Isolation • 500 VDC Input to Output (1000 M /80 pF)
Optional high isolation version,
3000 VDC Input to Output, add suffix ‘X’
to model number
Switching Frequency • 100 kHz typical
MTBF • 1,000 kHrs to MIL-HDBK-217F
Environmental
Operating Temperature • -25 şC to +70 şC
Case Temperature • +95 şC max
Storage Temperature • -40 şC to +100 şC
EMC & Safety
Emissions • EN55022, level A conducted
EN55022, level A radiated
ESD Immunity • EN61000-4-2, level 2
Performance Criteria A
Radiated Immunity • EN61000-4-3 3 V/m
Performance Criteria A
Conducted Immunity • EN61000-4-6 3 V rms
Performance Criteria A
Safety Approvals • UL1950 for XU versions only
DCDC
