3 A output — sizing the inductor and output cap
The 3 A continuous output rating sets the inductor saturation current floor and the output capacitor ripple-current rating.
STMicroelectronics A5975DTR Buck Regulator, 3A, 250kHz
MPNA5975DTR
End of Life
STMicroelectronics A5975DTR, Automotive AEC-Q100 Buck Regulator, Step-Down, Adjustable Output, 3A, 250kHz, 4V to 36V Input, -40°C to 150°C, 8-SOIC Exposed Pad.
$5.65Ref. price · indicative, final on quote
Packaging8-SOIC (0.154", 3.90mm Width) Exposed Pad
RoHSROHS3 Compliant
SeriesAutomotive, AEC-Q100
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026
Specifications
| Parameter | Value |
|---|---|
| Series | Automotive, AEC-Q100 |
| Output type | Adjustable |
| Mounting | Surface Mount |
| Voltage - input | 36V |
| Voltage - output | 35V |
| Voltage - output (Min (Fixed)) | 1.235V |
| Output current | 3A |
| Frequency - switching | 250kHz |
| I/O channels | 1 |
| Operating temperature | -40°C ~ 150°C (TJ) |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| Function | Step-Down |
| Topology | Buck |
| Case | 8-SOIC (0.154\", 3.90mm Width) Exposed Pad |
| Output configuration | Positive |
| Synchronous rectifier | No |
Product details
Frequently asked questions
Is A5975DTR still in production and what is its lifecycle status?
Buyers need assurance the part is not obsolete to avoid redesign or last-time buy costs.
What is the pinout and typical application circuit for A5975DTR?
Design engineers need to quickly validate fit and layout without reading the full datasheet.
What is the current price and stock availability of A5975DTR?
Sourcing buyers need immediate pricing and inventory to fill BOM lines and avoid delays.
Can A5975DTR be used as a replacement for A5974D or other similar parts?
Maintenance techs and brokers need cross-reference information to substitute failed or obsolete parts.
What is the input voltage range and output current capability of A5975DTR?
Quick spec check is critical for determining if the part meets the design requirements.
Where can I buy authentic A5975DTR parts from authorized distributors?
Counterfeit risk is high; buyers need trusted sources to ensure quality and warranty.