XC6227C391ER-G

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

The XC6227C391ER-G is a fixed-output low dropout regulator from Torex Semiconductor, providing a stable 3.9V output with a maximum continuous current of 700mA. It operates within an input voltage range up to 6V and maintains a typical quiescent current of 100µA. The device features a ripple rejection ratio of 65dB at 1kHz and ensures high accuracy with a voltage regulation tolerance of 1%. It includes built-in protection mechanisms against overcurrent, thermal overload, and reverse polarity, functioning reliably across a temperature range of -40°C to +85°C in a compact USP-6C-6 package.

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

• Integrates reverse current protection to prevent backflow when the input voltage drops below the output level.
• Provides high-speed transient response capabilities suitable for dynamic load applications.
• Includes comprehensive internal protection circuits covering overcurrent, thermal shutdown, and reverse polarity conditions.

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

• Portable electronic devices requiring efficient power management
• Battery-powered equipment utilizing linear regulation
• Embedded systems needing stable voltage supply under varying loads

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

Verify the specific suffix ER-G corresponds to the USP-6C-6 package configuration during sourcing. Confirm RoHS compliance status through official manufacturer documentation before integration. Ensure that the fixed 3.9V output aligns precisely with target circuit requirements, as adjustable variants are not applicable here. Cross-reference datasheet revision dates to guarantee parameter consistency.

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

Select this component when a fixed 3.9V rail is required with minimal static power consumption. The USP-6C-6 package offers a small footprint ideal for space-constrained designs. Consider the 700mA current limit and dropout characteristics relative to the minimum input voltage. Verify thermal dissipation capabilities within the operating environment to ensure reliability under maximum load conditions.

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

This part belongs to the XC6227 series of high-speed LDO regulators designed for low noise and high ripple rejection. The series supports various fixed output voltages and packages, catering to diverse portable electronics needs. The XC6227C391ER-G specifically utilizes the USP-6C-6 housing, distinguishing it from SOT or other package variants within the same functional family.

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

XC6227C391MR-G: Alternative package variant (SOT-25-5) with identical electrical specifications.

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

Does the XC6227C391ER-G support adjustable output voltage?

No, this specific model provides a fixed 3.9V output voltage determined by internal resistor networks.

What is the maximum input voltage for this regulator?

The maximum allowable input voltage is 6V, beyond which device damage may occur.