XC9237A3EC4R-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9237A3EC4R-G is a synchronous step-down DC/DC converter manufactured by Torex Semiconductor. It operates within an input voltage range of 2V to 6V and provides a fixed output voltage of 3.0V. The device supports a maximum output current of 0.6A with a switching frequency of 1.2MHz. It features a low quiescent current of 15uA and functions reliably across an operating temperature range from -40°C to +85°C. The component is housed in a compact SOT-25-5 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous rectification topology for improved efficiency
• Built-in driver transistor with low on-resistance
• Current-mode control for stable operation

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring efficient power management
• Battery-powered equipment utilizing single-cell lithium-ion sources
• Embedded systems needing regulated 3.0V supply rails

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against official Torex documentation to confirm pinout compatibility and thermal characteristics. Ensure the ordering information matches the exact package type required for your PCB layout. Cross-reference the datasheet revision date to validate parameter accuracy before finalizing procurement specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 3.0V output is required from a 2V to 6V input source. The 0.6A current capability suits moderate load applications. Consider the SOT-25-5 package size for space-constrained designs. Verify that the 1.2MHz switching frequency aligns with electromagnetic interference requirements and inductor selection constraints.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the XC9237 series of synchronous step-down converters. The series offers various fixed output voltages and packaging options. The XC9237A variant specifically denotes the 3.0V output version in the SOT-25-5 package. This family is designed for high efficiency and low standby current consumption in portable applications.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

XC9237A3CMR-G: Same 3.0V output but different package (SOT-25-5 vs USP-C-EP-6). XC9237A3DC4R-G: Different package (SON/SOLCC6). Verify pinout and thermal pad configuration before substitution.