Get Marketing Insights First
Subscribe to receive actionable strategies, growth tips, and industry insights delivered straight to your inbox.
IR3897MTRPBF
integrated synchronous buck regulator for high-current point-of-load conversion
Specifications
Key details
| Part Number | IR3897MTRPBF |
|---|---|
| Manufacturer | Infineon Technologies |
| Category | DC-DC Converter |
| Lifecycle Status | Obsolete |
| Series | SupIRBuck IR3897 |
| Package / Case | 17-pin PQFN, 4 mm × 5 mm |
| Pin Count | 17 |
| Operating Temperature | -40°C to +125°C junction |
| Last Verified | 2026-07-22 |
Overview
Part information
IR3897MTRPBF Overview
IR3897MTRPBF is a Infineon Technologies integrated synchronous buck regulator for high-current point-of-load conversion supplied in 17-pin PQFN, 4 mm × 5 mm. This page uses the exact orderable code because package, grade, temperature and option suffixes can change compatibility.
Key Technical Specifications
| Topology | Synchronous buck |
|---|---|
| Input Voltage | 4.5 V to 21 V class |
| Output Current | 4 A class |
| Switching Frequency | Programmable high-frequency operation |
| Integration | Controller and power MOSFETs |
Package and Ordering Notes
The listed package is 17-pin PQFN, 4 mm × 5 mm with 17 pins, leads, lands or contacts. The featured image is a generic package illustration for form-factor identification and is not an actual date-code or lot photograph. Lifecycle is recorded as Obsolete; confirm current factory support and last-time-buy constraints before design-in.
Sourcing Guidance
IR3897MTRPBF is obsolete or discontinued. Require traceability, date-code, package-marking and storage-condition checks for remaining stock.
For an accurate quotation, include the full MPN, target quantity, acceptable date-code range, packaging format and destination. Icearth can help review traceability documents, label photos and electrical/package alignment before order placement.
Manufacturer Documentation
Technical values were checked against Infineon Technologies documentation. Use the linked datasheet as the controlling source and re-check revisions before PCB release or firmware qualification.
IR3897MTRPBF FAQ
What is IR3897MTRPBF?
IR3897MTRPBF is a Infineon Technologies integrated synchronous buck regulator for high-current point-of-load conversion. It belongs to the SupIRBuck IR3897 series.
What are the key specifications of IR3897MTRPBF?
Topology is Synchronous buck, and Input Voltage is 4.5 V to 21 V class. Use the linked manufacturer datasheet for limits, test conditions and revision-controlled values.
What package does IR3897MTRPBF use?
IR3897MTRPBF is supplied in 17-pin PQFN, 4 mm × 5 mm with 17 pins, leads, lands or contacts. Verify the exact footprint and ordering suffix before PCB release.
Is IR3897MTRPBF still in production?
IR3897MTRPBF is obsolete or discontinued. Any remaining stock should be checked for traceability, date code, package marking and storage history.
What should be checked before sourcing IR3897MTRPBF?
Confirm the complete MPN, electrical ratings, package, temperature grade and required quantity. Possible alternatives include Select a current Infineon integrated buck regulator after verifying input range, output current, control mode and footprint, but compatibility must be verified independently.
Sourcing notes
Lifecycle and sourcing review
Obsolete
This part has a legacy lifecycle status. Submit the exact MPN, quantity, delivery destination and date-code requirements for a sourcing review.
IR3897MTRPBF is obsolete or discontinued. Require traceability, date-code, package-marking and storage-condition checks for remaining stock.
Alternatives
Potential alternative part numbers
Verify package, pinout, voltage, firmware behavior and qualification before substitution.