IR HiRel Product Families



ATR DC-DC converter with 28 Vin 3.3 Vout single output, 30W

Last Time Buy Expired


16V to 40VDC Input Range (28 VDC Nominal)

3.3V, 5V, 12V and 15V Outputs Available

Indefinite Short Circuit and Overload Protection

Up to 35W/in3 Power Density

30W Output Power Models

Fast Loop Response for Superior Transient Characteristics

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

Popular Industry Standard Pin-Out

Resistance Seam Welded Case for Superior Long Term Hermeticity

Ceramic Feed-thru Pins

External Synchronization

Efficiencies up to 84%

Shutdown from External Signal

Military Screening

Standard Microcircuit Drawings Available


Total Output Power (W)30W
Input Voltage Min (V)16
Input Voltage Max (V)40
Output Voltage Single (V)+ 3.3
Base Part StatusLast Time Buy Expired
Typical Efficiency (%)74
IOUT Single (A)+ 7.5

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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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.

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Part # ATR2803R3S

ATR DC-DC converter with 28 Vin 3.3 Vout single output, 30W

DescriptionPart NumberStatusStandard Pack Quantity
Non-Flanged, COTS level screeningATR2803R3SBLAST_TIME_BUY_EXPIRED1

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