XC9237B26D4R-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9237B26D4R-G is a synchronous step-down DC/DC converter from the XC9237 series, manufactured by Torex Semiconductor Ltd. It features a built-in driver transistor and operates with an input voltage range of 1.8V to 6V. The device provides a fixed output voltage of 2.6V with a maximum output current of 600mA. It supports switching frequencies of 1.2MHz or 3MHz, selectable via external pins. The component utilizes a 6-USPEL (1.8x2mm) package and is rated for an operating temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous rectification topology with built-in P-channel and N-channel driver transistors for high efficiency
• Flexible switching frequency selection between 1.2MHz and 3MHz to optimize inductor size and transient response
• Integrated protection mechanisms including over-current protection, thermal shutdown, and under-voltage lockout

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring efficient battery-powered regulation
• Embedded systems with strict height limitations due to compact package
• General-purpose low-voltage power supply circuits in consumer electronics

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix codes against the official datasheet to confirm output voltage and switching frequency settings. Ensure the ordering code matches the required package type and tape-and-reel specifications. Cross-reference the manufacturer's latest documentation for any pinout revisions or environmental compliance updates before finalizing procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 2.6V output is required within a 6V input limit. The choice between 1.2MHz and 3MHz frequencies depends on the desired trade-off between passive component size and electromagnetic interference. Consider the 600mA current capability relative to the load profile and ensure adequate thermal management for the small footprint.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the XC9237 series of synchronous buck converters, designed for space-constrained applications. The series offers various fixed output voltages and switching frequencies to suit different system requirements. The B26 variant specifically targets 2.6V output applications, common in digital logic and memory power rails.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for direct pin-compatible alternatives within the XC9237 family that offer different output voltages or frequencies. Verify if other manufacturers provide equivalent synchronous buck regulators with similar input ranges and current capabilities.