21-0068PBF

Voltage Regulators - DC DC Switching Regulators Overview

The 21-0068PBF is a synchronous buck regulator IC from Infineon Technologies, part of the iP1837 series. It delivers up to 35A output current with positive adjustable voltage starting at 0.6V. The device operates from an input voltage range of 1.5V to 16V and features integrated MOSFET drivers and a bootstrap diode. Packaged in a 17-LLGA format, it supports step-down topology for efficient power conversion.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates high-side and low-side MOSFET drivers with bootstrap diode
• Supports positive adjustable output voltage configuration
• Features synchronous rectification for improved efficiency

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for digital systems
• Power supply modules requiring high current density
• Embedded systems with variable voltage requirements

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component authenticity through authorized distributors. Confirm RoHS compliance status via official documentation. Check product lifecycle status as obsolete data may indicate limited availability or end-of-life conditions. Ensure packaging integrity matches specified LLGA requirements.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component for applications requiring integrated driver solutions without external gate drive circuitry. Consider the 35A current capability and 1.5V–16V input range for compatibility with system power rails. Evaluate thermal performance within the 17-LLGA package constraints for high-density designs.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to Infineon’s iP1837 family of highly integrated synchronous buck regulators. These devices combine control logic, drivers, and protection features into a single compact package, reducing board space and design complexity compared to discrete solutions.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult official Infineon documentation for legacy replacement guidance.