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

Ω

/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 ºC to +70 ºC

Case Temperature

• +95 ºC max

Storage Temperature

• -40 ºC to +100 ºC

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