Specification

7.5 Watts

•

2:1 Input Range

•

DIP-24 Metal Package

•

-25 °C to +100 °C Operating Temperature

•

1500 VDC Isolation

•

Efficiency to 83%

•

Input Pi Filter

•

Continuous Short Circuit Protection

WR Series

Input

Input Voltage Range

• 12 V (9-18 VDC)

24 V (18-36 VDC)

48 V (36-72 VDC)

Input Current (no load) • See table

Input Filter

• Pi network

Undervoltage Lockout

• Turn On >70% nominal input

Turn Off <65% nominal input

Output

Output Voltage

• See table

Start Up Delay

• 900 ms max

Initial Set Accuracy

• ±2.0% max

Line Regulation

• ±0.2% max

Load Regulation

• ±0.5% max single output models,

±1.0% max dual output models,

for 75% load change

Cross Regulation

• ±1.5% on dual output models

Transient Response

• <1% max deviation, recovery to within

1% in 200 µs for a 50% load change

Ripple & Noise

• 100 mV max pk-pk, 20 MHz BW

Overload

• 110-130% constant current

Characteristics

Short Circuit Protection • Continuous with auto recovery

Temperature

• 0.05%/˚C max

Coefficient

xppower.com

General

Efficiency

• See table

Isolation Voltage

• 1500 VDC min Input to Output (1000 M

Ω)

Switching Frequency

• 300 kHz typical

MTBF

• 900 kHrs to MIL-HDBK-217F

Environmental

Operating Temperature • -25 ˚C to +100 ˚C (see derating curve)

Case Temperature

• +100 ˚C max

Storage Temperature

• -40 ˚C to +100 ˚C

EMC

Emissions

• EN55022, level A conducted

EN55022, level A radiated

ESD Immunity

• EN61000-4-2, level 2

Perf Criteria A

Radiated Immunity

• EN61000-4-3 3 V/m

Perf Criteria A

Conducted Immunity

• EN61000-4-6 3 V rms

Perf Criteria A