XC9223B081AR-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9223B081AR-G is a synchronous step-down DC/DC converter manufactured by Torex Semiconductor. It integrates a P-channel driver transistor and an N-channel switching transistor to deliver up to 1.0A of output current. The device operates with a fixed internal switching frequency of 1.0MHz or 2.0MHz, allowing for the use of small inductors. It features selectable current limit values via the LIM pin and supports PWM or PFM/PWM control modes through the MODE/SYNC pin.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates low on-resistance P-channel and N-channel transistors for high efficiency
• Supports external synchronization to prevent unwanted switching noise
• Includes built-in protection functions such as thermal shutdown and short-circuit protection

Voltage Regulators - DC DC Switching Regulators Applications

• Magnetic disk drives
• Notebook PCs and tablet PCs
• Mobile devices and terminals

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against official documentation to confirm the exact output voltage setting and package variant. Ensure compatibility with required current limit configurations and switching frequencies before integration into final designs.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when space constraints require small passive components due to high-frequency operation. Consider the integrated current limit options if powering interfaces like USB or AC adapters that require distinct current thresholds.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the XC9223/XC9224 series of synchronous step-down converters designed for applications with height limitations. The series emphasizes compactness and stability by utilizing built-in transistors and high switching frequencies to minimize external component size.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult official substitution lists for verified equivalents. Generic replacements may not match the specific integrated transistor characteristics or protection features.