IR3812MTRPBF

Description：IC REG BUCK ADJ 4A PQFN
Series：SupIRBuck®
Mfr：Infineon Technologies
Package：Tape & Reel (TR)

SKU:a271d926ca48 Category: Voltage Regulators - DC DC Switching Regulators Brand: Infineon Technologies

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Product introduction

IR3812MTRPBF 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 4A PQFN. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for IR3812MTRPBF

Description：IC REG BUCK ADJ 4A PQFN
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)：2.5V
Voltage - Input (Max)：21V
Voltage - Output (Min/Fixed)：0.6V
Voltage - Output (Max)：12V
Current - Output：4A
Frequency - Switching：600kHz
Synchronous Rectifier：Yes
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：15-PowerVQFN
Supplier Device Package：PQFN (5x6)
Grade：-
Qualification：-

Voltage Regulators - DC DC Switching Regulators datasheet and documents for IR3812MTRPBF

IR3812MTRPBF

Voltage Regulators - DC DC Switching Regulators Overview

The IR3812MTRPBF is a synchronous buck switching regulator IC from Infineon Technologies, part of the SupIRBuck series. It features an adjustable output voltage range from 0.6V to 12V with a maximum continuous output current of 4A. The device operates with an input voltage between 2.5V and 21V and supports a fixed switching frequency of 600kHz. It utilizes a 15-PowerVQFN (5x6mm) surface-mount package and functions within a junction temperature range of -40°C to 125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrates high-side and low-side power MOSFETs for synchronous rectification in a compact footprint
Includes internal bias LDO to simplify external component requirements
Supports programmable soft-start and frequency synchronization capabilities

Voltage Regulators - DC DC Switching Regulators Applications

Data processing systems
Point-of-load regulation for digital logic
Industrial control power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component status as this item is marked as obsolete or end-of-life by the manufacturer. Confirm availability through authorized distributors for remaining stock. Ensure compliance with RoHS standards and check for specific moisture sensitivity level handling requirements during storage and assembly processes.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component for applications requiring a single-phase, high-efficiency step-down conversion with moderate current demands. Consider the fixed 600kHz switching frequency when designing passive filter components. Evaluate thermal performance given the small PQFN package size and ensure adequate PCB copper area for heat dissipation under full load conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This controller belongs to the SupIRBuck family, which integrates power stages directly into the package to reduce solution size. It serves as a legacy alternative to newer integrated power modules. The device targets cost-sensitive designs where board space is limited but high efficiency is required for portable or industrial electronics.