Encapsulated DC/DC converter 28SMV250
plug-inhigh-voltageunregulated

encapsulated DC/DC converter
encapsulated DC/DC converter
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Characteristics

Configuration
encapsulated, plug-in
Electrical characteristics
unregulated, high-voltage
Applications
military
Other characteristics
single-output, dual-output, ultra-miniature, high-temperature
Input voltage

5 V, 12 V, 15 V, 24 V, 28 V

Output voltage

Max.: 500 V

Min.: 100 V

Power

1.25 W

Description

This series of unregulated high voltage DC-DC converters are produced in an ultra-miniature encapsulated package. 110 different models are available. These single and dual output isolated units will operate over the temperature range of -25º C to +70º C with no heat sink or electrical derating. For military applications an operating temperature range of -55º C to +85º C is available. An optional environmental screening package per MIL-STD-883 is also available. FEATURES 1.25 watt output at 70º ambient Ultra-miniature size 0.400" height, 4.0 grams weight, 0.1 cubic inches volume 100 megohm @ 1000 VDC input/output isolation MIL-STD 883 options available No heat sink or electrical derating required New dual outputs: ± Vout 100 to 250 VDC OPTIONS AVAILABLE Selected Per Mil. Std. 883 Expanded operating temp (-55º C to +85º C) Stabilization Bake (+125º C ambient) Temperature Cycle (-55º C to +125º C) Hi Temp, full power burn in (100% power, 125º C case temp) TYPICAL CHARACTERISTICS: Test conditions: 25º C ambient and input voltage at nominal value unless otherwise specified. LINE REGULATION: OUTPUT IS DIRECTLY PROPORTIONAL TO THE INPUT. Input voltage range:±10% all models Output voltage tolerance at full load-nom. Input:±3% Please keep loaded to minimum of 10% at all times. Note: For tighter output voltage tolerances, please consult factory. Converter frequency: 20 - 40 KHz Output temperature coefficient: 0.02%/ºC for all models Operating temperature: -25º C to +70º C ambient. No heat sink is required. Storage temperature: -55º C to +125º C Isolation: 100 megohms min. @ 1000V DC

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