XC9287B1CDPR-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9287B1CDPR-G is a HiSAT-COT synchronous buck converter manufactured by Torex Semiconductor. It operates with a fixed output voltage of 1.25 V and supports an output current of 1.5 A. The device accepts an input voltage range from 2.5 V to 5.5 V. Key electrical parameters include a switching frequency of 1.2 MHz and a quiescent current of 15 uA. It functions within a temperature range of -40°C to +105°C and utilizes a SOT-89-5 surface-mount package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates HiSAT-COT control technology for stable operation without requiring external compensation components.
• Employs PWM control mode to maintain high conversion efficiency across varying load conditions.
• Features a built-in shutdown function to minimize power consumption during inactive periods.

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring efficient step-down regulation
• Battery-powered consumer electronics systems
• Embedded circuits utilizing single-cell lithium-ion power sources

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'CDPR' against official Torex documentation to confirm the fixed 1.25 V output configuration and SOT-89-5 packaging. Ensure compatibility with required thermal management standards for the operating temperature range. Confirm RoHS compliance status through the manufacturer's latest certification records before finalizing procurement specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 1.25 V output is required at up to 1.5 A from a 5.5 V maximum input source. The HiSAT-COT architecture simplifies layout design by eliminating external feedback resistors or compensation networks. Consider the 15 uA quiescent current for battery life optimization in standby modes compared to standard PWM regulators.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the XC9287 series, which focuses on compact synchronous buck converters. The series emphasizes small footprint solutions suitable for space-constrained portable applications. The B1 designation typically indicates the specific output voltage variant within the broader product family lineup.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify pinout and electrical parameter equivalence with alternative Torex models if direct substitution is necessary.