XC9237B18D0R-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9237B18D0R-G is a synchronous step-down DC/DC converter manufactured by Torex Semiconductor. It provides a fixed 1.8 V output with a maximum current of 600 mA. The device operates within an input voltage range of 2 V to 6 V and features a switching frequency of 3 MHz. Quiescent current is specified at 21 uA. It utilizes a WLP-5-03-5 package and supports an operating temperature range from -40 °C to +85 °C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous buck topology for efficient power conversion
• Fixed 1.8 V output voltage configuration
• Compact wafer-level packaging for space-constrained designs

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring low-power regulation
• Battery-powered systems needing stable 1.8 V rails
• Embedded circuits utilizing synchronous step-down conversion

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix D0R-G against official Torex documentation to confirm the 1.8 V fixed output and WLP-5-03-5 package type. Ensure compatibility with the required 2 V to 6 V input range and 600 mA load capability. Cross-reference the 3 MHz switching frequency and 21 uA quiescent current specifications with the latest datasheet to validate performance requirements for the target application environment.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 1.8 V output is required without external feedback resistors. The 600 mA output current capacity suits moderate load applications. The 3 MHz frequency allows for smaller passive components compared to lower-frequency alternatives. Verify that the WLP-5-03-5 package fits the PCB footprint constraints and thermal management requirements of the design.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the XC9237 series of synchronous step-down converters from Torex Semiconductor. The series offers various fixed output voltages and packaging options, including SOT-25 and WLP types. The XC9237B variant specifically denotes the 1.8 V fixed output version in the WLP-5-03-5 package, distinguishing it from adjustable or other voltage variants within the same family.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

XC9237B12D0R-G (1.2 V output), XC9237B25D0R-G (2.5 V output). These share the same package and electrical characteristics except for the fixed output voltage.