IR HiRel Product Families



ATR DC-DC converter with 28 Vin 12 Vout single output, 30W



16V to 40VDC Input Range (28VDC 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)+ 12
DLA QualifiedSMD
Qual LevelStandard
DLA Drawing5962-94625
Base Part StatusActive
Typical Efficiency (%)80
IOUT Single (A)+ 2.5

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 # ATR2812S

ATR DC-DC converter with 28 Vin 12 Vout single output, 30W

DescriptionPart NumberStatusStandard Pack Quantity
Non-Flanged, HB level screeningATR2812S/HBBOBSOLETE1
Flanged, ES level screeningATR2812SF/ESBACTIVE1
Non-Flanged, ES level screeningATR2812S/ESOBSOLETE1
SMD Class H Qualified5962-94625LAST_TIME_BUY_EXPIRED1
Non-Flanged, COTS level screeningATR2812SBOBSOLETE1
Flanged, CH level screeningATR2812SF/CHBCALL_FACTORY1
Non-Flanged, ES level screeningATR2812S/ESBCALL_FACTORY1
Flanged, COTS level screeningATR2812SFBOBSOLETE1

Package Support