IR HiRel Product Families

 

LS2803R3S

Hybrid DC-DC converter with 28 Vin and 3.3 Vout single output, 25 W total output power

Active

Features

Low Weight < 80 grams

Magnetically Coupled Feedback

18V to 40V DC Input Range

Up to 30W Output Power

Single and Dual Output Models Include 1.5, 2.5, 3.3, ±5, 6, ±12 and ±15V

Under-Voltage Lockout

Short Circuit and Overload Protection

Specifications

ParameterValue
Total Dose kRad (Si)100
SEE82
Total Output Power (W)25
Nominal Input Voltage28
Output Voltage (V)+ 3.3
IOUT (A)+ 7.57
Typical Efficiency (%)76
Operating Temperature85°C
DLA Drawing5962-05239
DLA QualifiedSMD
OutputsSingle
Qual LevelRadiation Hardened
RoHSNo
Input Voltage Min (V)18
Halogen-FreeYes
PackageLS
Max Operating Temperature125°C
Input Voltage Max (V)40
Base Part StatusActive
IOUT Single (A)+ 7.57
Output Voltage Single (V)+ 3.3
TechnologyHiRel DC/DC CON
LS

Part # LS2803R3S

Hybrid DC-DC converter with 28 Vin and 3.3 Vout single output, 25 W total output power

DescriptionPart NumberStatusStandard Pack Quantity
SMD Class K Gold Plated Leads5962-0523901KXCACTIVE1
Engineering ModelLS2803R3S/EMACTIVE
SMD Class K Solder Dipped Leads5962-0523901KXAACTIVE1
Base ModelLS2803R3SOBSOLETE1

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