XRP6124ESTR0.5-F

Overview

The XRP6124ESTR0.5-F is a PFET controller featuring constant on-time control, designed for step-down applications. It operates within an input voltage range of 2.5V to 5.5V and provides an adjustable output voltage from 0.6V to 5V. The device delivers up to 1A output current with a switching frequency of 1.5MHz. It supports PFM/PWM modes and functions across temperatures from -40°C to +85°C in a SOT-23-5 package.

Feature Summary

• Integrates constant on-time control architecture for simplified compensation design
• Supports both PFM and PWM operation modes for optimized efficiency
• Features integrated PFET driver for compact solution implementation

Applications

• Portable consumer electronics power supplies
• Embedded system core voltage regulation
• Battery-powered device power management

Procurement Notes

Verify the specific suffix '0.5' against official MaxLinear documentation to confirm pinout and electrical characteristics match your design requirements. Ensure compatibility with external component selections for the intended switching frequency and current limits.

Selection Notes

Select this component when a compact SOT-23-5 footprint is required for low-current step-down conversion. Consider the 1.5MHz switching frequency for trade-offs between component size and electromagnetic interference. Validate thermal performance under maximum load conditions within the specified operating temperature range.

Part Context

This part belongs to the XRP6124 series of power management ICs from MaxLinear. It serves as a specialized switching controller for efficient DC-DC conversion in space-constrained portable devices. The series focuses on integrating driver capabilities to reduce external component count.

Replacement Considerations

Consult official MaxLinear substitution guides for verified alternatives. Generic cross-references may not match the constant on-time control architecture or specific drive strength requirements.