| IR HiRel Product Families |
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
| Parameter | Value |
|---|---|
| Total Output Power (W) | 8W - 20W |
| Input Voltage Min (V) | 16 |
| Input Voltage Max (V) | 40 |
| Outputs | Single |
| Output Voltage Single (V) | + 3.3 |
| Qual Level | Standard |
| Package | AHF |
| Base Part Status | Active |
| Typical Efficiency (%) | 72 |
| IOUT Single (A) | + 3 |
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.
AHF
Part # AHF2803R3S
10W Total Output Power 28 Vin +3.3 Vout Single DC-DC Standard Converter in an AHF Package.
| Packaging Options | Part Number | Status | Standard Pack Quantity |
|---|---|---|---|
| Screening Level Basic Flange Option | AHF2803R3SFB | OBSOLETE | 1 |
| Screening Level ES | AHF2803R3S/ESB | ACTIVE | 1 |
| Screening Level ES Flange Option | AHF283R3SF/ESB | CALL_FACTORY | 1 |
| A AHF2803R3S with Standard Packaging | AHF2803R3S | CALL_FACTORY | 1 |
| Screening Level Basic | AHF2803R3SB | OBSOLETE | 1 |