IR HiRel Products

ARA2803R3S

Hi-Rel DC-DC Rad-Hard Single Converter in a ARA package

Active

Benefits

Total Dose Guaranteed to 100 kRads(Si)

SEE with LET up to 82 MeV.cm2/mg

Low Weight < 13 grams

Magnetically Coupled Feedback

18V to 50V DC Input Range

Up to 5W Output Power

Single Output Models Include 3.3, 5, 12 and 15V

Low Quiescent Current

High Efficiency - to 80%

-55°C to +85°C Operating Temperature Range

100mOhms at 100V DC Isolation

Under-Voltage Lockout

Short Circuit and Overload Protection

External Inhibit

Output Adjustment / Remote Sense

Specifications

ParameterValue
Qual LevelRadiation Hardened
Total Dose kRad (Si)100
See (MeV-cm2/mg)82
Total Output Power (W)5W
Input Voltage (V)28
Input Voltage Min (V)18
Input Voltage Max (V)50
OutputsSingle
Typical Efficiency (%)71
PackageARA
Base Part StatusActive
IOUT Single (A)1.21
Output Voltage Single (V)+3.3
Operating Temperature85°C
ARA

Part # ARA2803R3S/CKA

Hi-Rel DC-DC Rad-Hard Single Converter in a ARA package

Packaging OptionsPart NumberStatusStandard Pack Quantity
Input Voltage 28V Output Voltage +3.3V Single OutputARA2803R3SPRELIMINARY
Screening Level CKAARA2803R3S/CKAPRELIMINARY1
Engineering ModelARA2803R3S/EMACTIVE1
Screening Level CKCARA2803R3S/CKCACTIVE1

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