XC6220A351QR-G

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

The XC6220A351QR-G is a CMOS low dropout regulator from Torex Semiconductor, featuring Green Operation functionality. It provides a fixed output voltage of 3.5V with a maximum continuous output current of 1000mA. The device operates within an input voltage range of 1.6V to 6.0V and utilizes a SOT-89-5 package. Key electrical characteristics include a typical supply current of 50μA in high-speed mode and 8μA in power-save mode. It incorporates built-in thermal shutdown and over-current protection circuits.

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

• Integrates Green Operation function for automatic switching between high-speed and power-save modes based on load conditions.
• Features ultra-low dropout voltage performance due to integrated 0.2Ω on-resistance driver transistor.
• Includes built-in inrush current prevention circuit to minimize voltage fluctuations during system startup.
• Supports stable operation with low ESR ceramic capacitors without requiring external phase compensation.

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 the specific suffix 'A' indicates semi-custom configuration without CE pull-down resistor or CL auto-discharge. Confirm the 'QR-G' designation corresponds to the SOT-89-5 package and RoHS compliance. Ensure the ordering information matches the required output voltage tolerance and package quantity specifications provided by the manufacturer.

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

Select this component when a fixed 3.5V output is required with high efficiency under varying loads. The Green Operation feature makes it suitable for battery-powered applications where standby current reduction is critical. Consider the SOT-89-5 package for thermal dissipation requirements and ensure input voltage remains within the 1.6V to 6.0V operational range.

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

This part belongs to the XC6220 series of 1A LDO voltage regulators. The series is characterized by high accuracy, low noise, and high speed. The XC6220A variant specifically denotes a semi-custom type that lacks the internal CE pull-down resistor and CL discharge transistor found in B, C, and D types.

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

XC6220B351PR-G