XC6221A35A7R-G

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

The XC6221A35A7R-G is a fixed-output low dropout regulator from Torex Semiconductor, housed in an USPN-4 package. It provides a nominal output voltage of 3.50V with a maximum continuous output current of 200mA. The device operates within an input voltage range of 1.6V to 6.0V and features a typical dropout voltage of 80mV at 100mA load. Electrical characteristics include a standard output accuracy of +2% for voltages above 1.50V, a supply current of 25μA, and a ripple rejection rate of 70dB at 1kHz. The component supports an operating ambient temperature range from -40℃ to +85℃.

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

• High-speed CMOS regulation architecture with integrated error amplifier and phase compensation circuitry
• Active high CE pin control enables rapid shutdown and standby mode operation
• Fold-back current limiting circuit provides short-circuit protection and output current regulation
• Compatible with low ESR ceramic capacitors for stable phase compensation

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

• Smart phones and mobile phones
• Portable game consoles
• Digital still cameras and camcorders
• Digital audio equipment
• Mobile devices and terminals

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

Verify the specific ordering suffix against the manufacturer's datasheet to confirm package type and reel quantity. Ensure the selected variant matches the required output voltage increment and accuracy class. Confirm RoHS compliance status and environmental certifications prior to integration into production designs.

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

Select this regulator when a fixed 3.50V rail is required with minimal quiescent current consumption. The USPN-4 package is suitable for applications demanding a small footprint. Verify that the input voltage remains within the specified 1.6V to 6.0V range under all operating conditions to ensure stable regulation.

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

This component belongs to the XC6221 series of high-accuracy, low-noise LDO regulators. The series utilizes laser trimming technology to set output voltages in precise increments. The 'A' designation indicates the absence of an internal CE pull-down resistor and CL auto-discharge function, distinguishing it from other variants in the family.

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

XC6221A35B7R-G

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

Does the XC6221A35A7R-G feature an internal auto-discharge switch?

No, the 'A' type designation indicates that this specific variant does not include a CL auto-discharge switch or an internal CE pull-down resistor.

What is the minimum recommended output capacitor value for this device?

For output voltages between 1.40V and 4.00V, a minimum output capacitor (CL) of 1.0μF is required for stable phase compensation.