XC9235B09CMR-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9235B09CMR-G is a synchronous step-down DC/DC converter manufactured by Torex Semiconductor. It features a built-in driver transistor and supports an input voltage range of 2 V to 6 V. The device provides a fixed output voltage of 0.9 V with a maximum output current of 600 mA. It operates at a switching frequency of 1.2 MHz and maintains a typical quiescent current of 15 uA. The component functions within a temperature range of -40°C to +85°C and is housed in a compact SOT-25-5 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates synchronous rectification with built-in driver transistors for high efficiency
• Maintains low power consumption through minimal quiescent current operation
• Supports stable regulation across a wide input voltage range

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring efficient power management
• Battery-powered systems needing extended operational life
• Embedded circuits utilizing single-cell lithium-ion or lithium-polymer batteries

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix CMR-G against official Torex documentation to confirm the SOT-25-5 packaging configuration. Ensure the fixed 0.9 V output aligns with target load requirements. Cross-reference the RoHS compliance status and environmental certifications prior to integration. Confirm availability through authorized distributors as supply levels fluctuate.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this model when a fixed 0.9 V output is required from a 2 V to 6 V source. The 1.2 MHz frequency allows for smaller external passive components compared to lower-frequency alternatives. Consider the SOT-25-5 footprint for space-constrained designs. Verify that the 600 mA current rating meets peak load demands without exceeding thermal limits.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the XC9235 series of synchronous step-down converters. The series is characterized by high efficiency and low standby current, making it suitable for portable applications. The B-series designation typically indicates specific internal circuit variations or performance characteristics within the broader product line.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult official substitution guides for compatible parts within the XC9235 family. Verify pin compatibility and electrical parameters before replacing. Generic equivalents may lack identical efficiency or quiescent current specifications.