XC9257B18CER-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9257B18CER-G is a synchronous step-down DC/DC converter from Torex Semiconductor. It features COT control and supports an input voltage range of 2.5 V to 5.5 V. The device provides a fixed output voltage of 1.8 V with a maximum output current of 1 A. Key electrical parameters include a switching frequency of 1.2 MHz, quiescent current of 15 uA, and operating temperature range from -40°C to +105°C. It utilizes a USP-C-EP-6 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates P-channel MOS driver and N-channel MOS switching transistors for synchronous rectification
• Utilizes Constant On-Time (COT) control architecture
• Designed for compatibility with ceramic output capacitors

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring efficient power management
• Battery-powered systems needing low quiescent current
• Embedded applications within the specified voltage range

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'B18' confirms the 1.8 V fixed output voltage configuration. Ensure the 'CER' designation matches the required USP-C-EP-6 package type. Confirm RoHS compliance status through official documentation before integration. Cross-reference the manufacturer part number against the latest datasheet to ensure no design changes have occurred.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 1.8 V output is required from a 2.5 V to 5.5 V input source. Consider the 1 A output current capability and 1.2 MHz switching frequency for size constraints. Evaluate the USP-C-EP-6 package suitability for the target PCB layout. Compare against other series members if adjustable output or different packaging is needed.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the XC9257 series of GreenOperation-compatible synchronous step-down converters. The series is characterized by high efficiency and compact external component requirements due to ceramic capacitor compatibility. It represents a solution for space-constrained power management in portable electronics.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult official discontinuation notices for confirmed substitutes. Verify pinout and parameter compatibility with any alternative components.