XC9237B21D4R-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9237B21D4R-G is a synchronous step-down DC/DC converter from Torex Semiconductor. It operates with an input voltage range of 2 V to 6 V and provides a fixed output voltage of 2.1 V. The device delivers a maximum output current of 600 mA with a switching frequency of 1.2 MHz. Quiescent current is specified at 21 uA. It functions within a temperature range of -40°C to +85°C and utilizes a USP-C-EP-6 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates synchronous rectification technology for high conversion efficiency
• Utilizes current-mode control architecture for stable regulation
• Designed for compact surface-mount applications

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring efficient power management
• Battery-powered systems needing low quiescent current
• Embedded circuits utilizing buck topology

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific output voltage and package configuration against the official datasheet before procurement. Confirm that the ordering suffix corresponds to the required reel quantity and tape-and-reel specifications. Ensure compatibility with the target input voltage range and thermal requirements for the intended application environment.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 2.1 V output is required from a 2 V to 6 V source. Consider the 600 mA current limit and 1.2 MHz switching frequency for inductor selection. Evaluate the USP-C-EP-6 package dimensions for PCB layout constraints compared to other series variants.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the XC9237 series of synchronous step-down converters. The series includes various output voltage options and package types, such as SOT-25-5 and USPEL, to accommodate different design needs while maintaining consistent performance characteristics like low quiescent current and high efficiency.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for XC9237 series variants with identical 2.1 V output and compatible packages. Verify pinout compatibility if substituting with different package styles. Ensure electrical parameters match the original design requirements.