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IR3865MTR1PBF is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists Infineon Technologies. Its product description is IC REG BUCK ADJ 10A 17POWERQFN. Review the specifications below when checking this part for your BOM.
Voltage Regulators - DC DC Switching Regulators specifications for IR3865MTR1PBF
- Description：IC REG BUCK ADJ 10A 17POWERQFN
- Series：SupIRBuck®
- Mfr：Infineon Technologies
- Package：Tape & Reel (TR)
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：3V
- Voltage - Input (Max)：21V
- Voltage - Output (Min/Fixed)：0.5V
- Voltage - Output (Max)：12V
- Current - Output：10A
- Frequency - Switching：Up to 750kHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：17-PowerVQFN
- Supplier Device Package：17-PowerQFN (4x5)
- Grade：-
- Qualification：-
Voltage Regulators - DC DC Switching Regulators datasheet and documents for IR3865MTR1PBF
Voltage Regulators - DC DC Switching Regulators Overview
The IR3865MTR1PBF is a synchronous buck switching regulator IC from Infineon Technologies, part of the SupIRBuck series. It features an adjustable output voltage range from 0.5V to 12V with a maximum continuous output current of 10A. The device operates with an input voltage between 3V and 21V and supports a switching frequency up to 750kHz. Packaged in a 17-PowerVQFN (4x5mm) surface-mount footprint, it is designed for high efficiency and compact power delivery solutions.
Voltage Regulators - DC DC Switching Regulators Feature Summary
- Integrates synchronous rectification for enhanced conversion efficiency
- Supports adjustable output voltage configuration via external resistors
- Operates within an extended junction temperature range of -40°C to 125°C
Voltage Regulators - DC DC Switching Regulators Applications
- Point-of-load regulation for embedded systems
- Power supply modules for industrial equipment
- Voltage regulation for communication infrastructure
Voltage Regulators - DC DC Switching Regulators Procurement Notes
Verify component authenticity through authorized distribution channels due to discontinuation status. Confirm package marking and date codes against official datasheets. Ensure storage conditions comply with moisture sensitivity level requirements prior to reflow soldering processes.
Voltage Regulators - DC DC Switching Regulators Selection Notes
Select this component when a single-phase 10A synchronous buck solution is required. Verify that the application input voltage remains within the 3V to 21V operational window. Ensure thermal management strategies accommodate the PowerVQFN package constraints under full load conditions.
Voltage Regulators - DC DC Switching Regulators Part Context
This model belongs to the SupIRBuck family of integrated power stages. It combines control logic, drivers, and MOSFETs into a single compact module. The design targets applications requiring high power density and simplified bill of materials compared to discrete implementations.
Voltage Regulators - DC DC Switching Regulators Replacement Considerations
Public documentation confirms the IR3865MTRPBF as a parameter-equivalent alternative. Verify pin compatibility and electrical specifications before substitution.
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