XC6221B34ANR-G

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

The XC6221B34ANR-G is a fixed-output CMOS low dropout regulator manufactured by Torex Semiconductor. It provides a nominal output voltage of 3.40V with standard accuracy (+/- 2% for VOUT > 1.50V). The device supports a maximum output current of 200mA and operates within an input voltage range of 1.6V to 6.0V. Key electrical characteristics include a typical dropout voltage of 80mV at 100mA, a supply current of 25μA, and a standby current of 0.01μA. It features high ripple rejection of 70dB at 1kHz and includes internal current limiting and short-circuit protection.

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

• Integrated charge auto-discharge function that rapidly pulls the output voltage to ground level when the control pin is deactivated.
• High-speed response capability utilizing low power consumption circuitry for efficient operation in portable applications.
• Robust protection mechanisms including fold-back current limiting and short-circuit protection to safeguard against overload conditions.

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

• Smart phones
• Portable game consoles
• Digital still cameras
• Mobile devices

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

Verify the specific package type SSOT-24 matches the design requirements. Confirm the output voltage tolerance aligns with system specifications. Ensure compliance with environmental standards such as RoHS and lead-free manufacturing. Check datasheet for thermal dissipation limits relative to PCB layout.

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

Select this component for applications requiring precise fixed voltage regulation with minimal quiescent current. The inclusion of the auto-discharge feature makes it suitable for battery-powered systems requiring rapid shutdown. Verify that the required output capacitor value meets stability criteria for the selected load current.

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

This part belongs to the XC6221 series of high-speed LDO regulators from Torex Semiconductor. The series is designed for portable electronics, offering low noise and high ripple rejection. Variants differ by output voltage, accuracy class, and package style, all sharing the core CMOS regulator architecture.

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

XC6221B34NR-G

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

How does the XC6221B34ANR-G handle output discharge when turned off?

It utilizes an internal auto-discharge switch connected between the output and ground, allowing the output capacitor to discharge quickly when the CE pin is set to low.

What is the recommended output capacitor type for this regulator?

Low ESR ceramic capacitors are recommended, with values typically ranging from 1.0μF to 4.7μF depending on the specific output voltage setting.