IR HiRel Products

AHF2803R3S

10W Total Output Power 28 Vin +3.3 Vout Single DC-DC Standard Converter in an AHF Package.

Active

Benefits

Input-Output isolation

Active inrush current limiting

Fixed switching frequency

Common frequency synchronization

Soft start

Short-circuit and overload protection

Input undervoltage lockout

Duty cycle limiting over-voltage protection

Output turn-on/turn off sequencing

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

Magnetically-coupled feedback

TTL-compatible on/off command

Low profile, hermetically-sealed packages

Copper I/O pins

Reliability screening option

Class H processes (IAW MIL-PRF-38534)

Specifications

ParameterValue
Base Part StatusActive
IOUT Single (A)+ 3
Input Voltage Max (V)40
Input Voltage Min (V)16
Output Voltage Single (V)+ 3.3
OutputsSingle
PackageAHF
Qual LevelStandard
Total Output Power (W)8W - 20W
Typical Efficiency (%)72

Aerospace and Defense

IR's standard and custom power management solutions for commercial aircraft and defense applications are used in programs such as Airbus and Boeing airliners, the F16, the Eurofighter, the F35 Joint Strike Fighter and the Abrams M1A2 tank.

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AHF

Part # AHF2803R3SB

10W Total Output Power 28 Vin +3.3 Vout Single DC-DC Standard Converter in an AHF Package.

Packaging OptionsPart NumberStatusStandard Pack Quantity
Screening Level Basic Flange OptionAHF2803R3SFBCALL_FACTORY1
Screening Level ESAHF2803R3S/ESBACTIVE1
Screening Level ES Flange OptionAHF283R3SF/ESBCALL_FACTORY1
A AHF2803R3S with Standard PackagingAHF2803R3SCALL_FACTORY1
Screening Level BasicAHF2803R3SBCALL_FACTORY1

Package Support