XC6220B181QR-G

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The XC6220B181QR-G is a fixed-output linear voltage regulator from the Torex Semiconductor XC6220 series, providing a nominal output of 1.8V with a maximum continuous current capability of 1A. It operates within an input voltage range of 1.6V to 6.0V and features Green Operation technology for automatic switching between high-speed and power-save modes. The device utilizes a SOT-89-5 package and includes integrated overcurrent protection, thermal shutdown, and inrush current prevention circuits.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

• Integrates Green Operation function for automatic mode switching between high-speed and power-save states based on load conditions
• Features built-in CL auto-discharge circuitry for rapid output capacitor discharge when the enable pin is deactivated
• Includes internal inrush current prevention circuitry to limit startup surge currents
• Provides comprehensive protection against overcurrent conditions and excessive junction temperatures

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

• Optical disk drives
• Magnetic disk drives
• Digital still cameras and camcorders
• Digital audio equipment

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify that the specific suffix 'Q' aligns with the manufacturer's official product classification documentation, as standard datasheets typically list A, B, C, or D designators for CE configuration variations. Confirm the package type matches the required PCB footprint and ensure compliance with RoHS standards before finalizing procurement specifications.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this component for applications requiring low dropout performance and efficient power management under variable load conditions. Ensure the input voltage remains within the specified operational range and verify that the selected ceramic output capacitor meets the stability requirements defined in the datasheet for the 1.8V output setting.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

This part belongs to the XC6220 series of CMOS voltage regulators manufactured by Torex Semiconductor Ltd. The series is characterized by high accuracy, low noise, and large current capabilities. The 'B' designation indicates a standard configuration featuring CL auto-discharge without a CE pull-down resistor, distinguishing it from semi-custom variants.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Replacement Considerations

Consult the official XC6220 series selection guide to identify compatible substitutes with matching output voltages and package types. Verify that alternative parts support the same Green Operation functionality and thermal protection thresholds to maintain system reliability.