Datasheet > WR303

WR303

更新时间： 2022-12-16 10:33:27

品牌	Logo	应用领域
XPPOWER		/
页数	文件大小	规格书
2页	176K
描述
DC-DC Power Supplies

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数据手册

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WR303 数据手册

7.5 Watts

WR Series

xppower.com

•

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

Specification

Input

General

Input Voltage Range

• 12 V (9-18 VDC)

Efficiency

• See table

24 V (18-36 VDC)

48 V (36-72 VDC)

Isolation Voltage

Switching Frequency

MTBF

• 1500 VDC min Input to Output (1000 MΩ)

• 300 kHz typical

Input Current (no load) • See table

Input Filter • Pi network

• 900 kHrs to MIL-HDBK-217F

Undervoltage Lockout • Turn On >70% nominal input

Environmental

Turn Off <65% nominal input

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

Case Temperature

• +100 ˚C max

Output

Storage Temperature

• -40 ˚C to +100 ˚C

Output Voltage

Start Up Delay

• See table

• 900 ms max

EMC

Initial Set Accuracy

Line Regulation

Load Regulation

•

2ꢀ0% max

0ꢀ2% max

Emissions

• EN55022ꢃ level A conꢂucteꢂ

EN55022ꢃ level A raꢂiateꢂ

0ꢀ5% max sinꢁle output moꢂelsꢃ

1ꢀ0% max ꢂual output moꢂelsꢃ

for 75% loaꢂ chanꢁe

ESD Immunity

• EN61000-4-2ꢃ level 2

Perf Criteria A

Radiated Immunity

Conducted Immunity

• EN61000-4-3 3 V/m

Perf Criteria A

Cross Regulation

•

1ꢀ5% on ꢂual output moꢂels

Transient Response

• <1% max ꢂeviationꢃ recovery to within

1% in 200 µs for a 50% loaꢂ chanꢁe

• EN61000-4-6 3 V rms

Perf Criteria A

Ripple & Noise

• 100 mV max pk-pkꢃ 20 MHz BW

• 110-130% constant current

Overload

Characteristics

Short Circuit Protection • Continuous with auto recovery

Temperature

Coefficient

• 0ꢀ05%/˚C max

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