IR HiRel Product Families

 

S2803R3S

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

Active

Benefits

Input-Output isolation

Active inrush current limiting

Fixed switching frequency

Soft start

Short-circuit and overload protection

Input undervoltage lockout

Output turn-on/turn off sequencing

Operation over -55°C to +125°C without de-rating

Magnetically-coupled feedback

TTL-compatible on/off command

external on/off command

Low profile, hermetically-sealed packages

Copper I/O pins

Immunity to TID, SEE, neutron and prompt dose radiation environments in space

Reliability screening option

Class K processes (IAW MIL-PRF-38534)

Specifications

ParameterValue
Total Dose kRad (Si)100
SEE82
Total Output Power (W)10
Nominal Input Voltage28
Output Voltage (V)+ 3.3
IOUT (A)+ 3.03
Typical Efficiency (%)77
Operating Temperature125°C
DLA Drawing5962-04238
DLA QualifiedSMD
OutputsSingle
Qual LevelRadiation Hardened
RoHSNo
Input Voltage Min (V)18
Halogen-FreeYes
PackageS
Max Operating Temperature135°C
Input Voltage Max (V)40
Base Part StatusActive
IOUT Single (A)+ 3.03
Output Voltage Single (V)+ 3.3
TechnologyHiRel DC/DC CON
S

Part # S2803R3S

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

Packaging OptionsPart NumberStatusStandard Pack Quantity
SMD Class K Gold Plated Leads5962-0423801KXCACTIVE
SMD Class K Solder Dipped Leads5962-0423801KXAACTIVE
Base ModelS2803R3SCALL_FACTORY1

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