IR HiRel Product Families

 

ARA2803R3S

ARA hybrid DC-DC converter with 28 Vin and 3.3 Vout single output

Call Factory

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
Total Dose kRad (Si)100
SEE82
Total Output Power (W)4
Nominal Input Voltage28
Output Voltage (V)+ 3.3
IOUT (A)+ 1.21
Typical Efficiency (%)71
Operating Temperature85°C
OutputsSingle
Qual LevelRadiation Hardened
Input Voltage Min (V)18
PackageARA
Max Operating Temperature125°C
Input Voltage Max (V)50
Base Part StatusCall Factory
IOUT Single (A)1.21
Output Voltage Single (V)+3.3
ARA

Part # ARA2803R3S

ARA hybrid DC-DC converter with 28 Vin and 3.3 Vout single output

Packaging OptionsPart NumberStatusStandard Pack Quantity
Class K Screening, Solder Dipped LeadsARA2803R3S/CKACALL_FACTORY1
Base ModelARA2803R3SCALL_FACTORY
Engineering ModelARA2803R3S/EMCALL_FACTORY1
Class K Screening, Gold Plated LeadsARA2803R3S/CKCCALL_FACTORY1

Package Support