XC6220B471QR-G

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

The XC6220B471QR-G is a fixed-output low dropout regulator from Torex Semiconductor, providing a nominal output voltage of 4.7V with a maximum continuous output current 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 includes built-in overcurrent protection, thermal shutdown, and inrush current prevention circuits.

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

• Features Green Operation function that automatically switches between high-speed and power-save modes based on load conditions.
• Includes CL auto-discharge circuitry for rapid output capacitor discharge when the control pin is deactivated.
• Integrates inrush current prevention to limit startup surge currents and protect downstream components.
• Built-in thermal shutdown and current limiter circuits provide robust protection against overheating and overload.

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

• Optical disk drives
• Magnetic disk drives
• Digital still cameras
• Camcorders
• Digital audio equipment

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

Verify the specific package suffix 'QR' against official documentation, as standard series packages include SOT-25, SOT-89-5, and USP-6C. Confirm RoHS compliance status and ensure the selected variant matches the required CE pin configuration for your design.

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

Select this component for applications requiring stable regulation under varying loads with minimal quiescent current consumption. Ensure the input voltage remains within the specified operating range and verify that the output capacitor meets the recommended ESR requirements for stability.

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

This part belongs to the XC6220 series of CMOS voltage regulators known for high accuracy and low noise. The series utilizes laser trimming technologies to achieve precise output voltage settings in small increments across a wide voltage range.

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

How does the Green Operation function improve efficiency?

It automatically switches between high-speed mode for heavy loads and power-save mode for light loads, significantly reducing supply current during low-power operation.

What protection mechanisms are included?

The device includes overcurrent protection with fold-back characteristics, thermal shutdown, and an inrush current prevention circuit to manage startup surges.