Hi-Rel DC-DC Rad-Hard Single Converter in a M3GB package



Total Dose > 200 kRads(Si), typically usable to > 300 kRads(Si)

SEE Hardened to LET up to 82 MeV.cm2/mg

Internal EMI filter; Converter Capable of meeting MIL-STD-461C CE03

Low Weight, < 110 grams

Magnetically Coupled Feedback

18V to 50V DC Input Range

Up to 40W Output Power

Single and Dual Output Models

High Efficiency - to 83%

-55°C to +125°C Operating Temperature Range

100mOhms at 100VDC Isolation

Under-Voltage Lockout

Short Circuit and Overload Protection

Remote Sense on Single Output Models

Adjustable Output Voltage for all Models

Synchronization Input and Output

External Inhibit

Greater Than 7,000,000 hour MTBF


Qual LevelRadiation Hardened
Total Dose kRad (Si)200
See (MeV-cm2/mg)82
Total Output Power (W)40
Input Voltage (V)28
Input Voltage Min (V)18
Input Voltage Max (V)50
Typical Efficiency (%)75
DLA QualifiedSMD
Base Part StatusActive
IOUT Single (A)+ 9.1
Output Voltage Single (V)+ 3.3

Part # M3GB2803R3S/EM

Hi-Rel DC-DC Rad-Hard Single Converter in a M3GB package

Packaging OptionsPart NumberStatusStandard Pack Quantity
Class K Screening Level Cond CM3GB2803R3S/CKCACTIVE1
Class K Screening Level Cond AM3GB2803R3S/CKAACTIVE1
Class K Screening Level Cond CM3GB280512T/CKCACTIVE1
Eng Model Screening LevelM3GB2803R3S/EMACTIVE1
Input Voltage 28V Output Voltage + 3.3V Single OutputM3GB2803R3SACTIVE1

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