XC9237A2FC4R-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9237A2FC4R-G is a synchronous step-down DC/DC converter from the Torex Semiconductor XC9237 series. It operates with an input voltage range of 1.8V to 6V and provides a fixed output voltage of 2.55V. The device supports a maximum output current of 600mA and features a selectable switching frequency, including options up to 3MHz. It utilizes current-mode control for stable regulation. The component is housed in a compact 6-USPEL (1.8x2mm) package with an exposed pad for thermal management. It functions within a temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates synchronous rectification with built-in driver transistors to minimize external component count.
• Employs current-mode control architecture for improved transient response and loop stability.
• Features low quiescent current operation to enhance efficiency during light-load conditions.
• Includes internal compensation circuitry to simplify design implementation.

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring efficient power conversion
• Battery-powered equipment with strict space constraints
• Embedded systems utilizing single-cell lithium-ion or lithium-polymer batteries

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'C4' against the official Torex datasheet to confirm the fixed output voltage and package type. Ensure compatibility with the target PCB footprint for the 6-USPEL package. Confirm RoHS compliance status through the manufacturer's certification documents prior to integration into production assemblies.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this model when a fixed 2.55V output is required from a 1.8V to 6V input source. Consider the 600mA current limit and 3MHz switching frequency options for applications prioritizing small passive component sizes. Evaluate the thermal performance requirements given the exposed pad design for heat dissipation in dense layouts.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the XC9237 series of 600mA synchronous step-down converters. The series is characterized by high efficiency and compact packaging solutions suitable for modern portable electronics. The XC9237A variant typically denotes specific pinout or feature configurations within the broader family, distinguished by its fixed output voltage setting and control topology.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Cross-reference with other XC9237 series variants such as XC9237A2FDER-G for alternative package options like 6-UFDFN. Verify electrical parameter equivalence, particularly output voltage tolerance and switching frequency, before substituting. Ensure mechanical footprint compatibility if changing package types.