M3H2803R3S

40W Total Output Power 28 Vin +3.3 Vout Single DC-DC Rad-Tolerant Converter in a M3H Package.

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 H and Class K processes (IAW MIL-PRF-38534)

Specifications

ParameterValue
Qual LevelRad-Tolerant
Total Dose kRad (Si)25
See (MeV-cm2/mg)37
Total Output Power (W)40W
Input Voltage (V)28
Input Voltage Min (V)18
Input Voltage Max (V)50
OutputsSingle
Typical Efficiency (%)73
PackageM3H
Base Part StatusActive
IOUT Single (A)+ 9.1
Output Voltage Single (V)+ 3.3

Space

IR has a long history of providing high-reliability, radiation hardened power management solutions for space flight with products used in over 2000 space programs from launchers to satellites to space exploration vehicles.

Learn More

Collateral

AN-1067
High Reliability DC-DC Selection Guide

Download

M3H

Part # M3H2803R3S/EM

40W Total Output Power 28 Vin +3.3 Vout Single DC-DC Rad-Tolerant Converter in a M3H Package.

Packaging OptionsPart NumberStatusStandard Pack Quantity
Eng Model Screening LevelM3H2803R3S/EMACTIVE1
M3H2803R3SM3H2803R3SACTIVE1
Class K Screening Level BM3H2803R3SBACTIVE1
Eng Model Screening Level BM3H2803R3S/EMBACTIVE1

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