XC6222C491ER-G

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

The XC6222C491ER-G is a fixed-output low dropout regulator manufactured by Torex Semiconductor. It provides a stable 4.9 V output with a maximum continuous current of 700 mA. The device operates within an input voltage range of 1.7 V to 6 V and maintains regulation with a typical dropout voltage of 120 mV at full load. Quiescent current is specified at 100 uA, ensuring efficient power management. The unit features a typical power supply rejection ratio of 65 dB and includes internal protection mechanisms. It is housed in a compact USP-6C-6 surface-mount package suitable for space-constrained designs.

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

• Fixed 4.9 V output voltage with high accuracy
• High-speed response capability for dynamic loads
• Low quiescent current consumption for battery efficiency
• Integrated short-circuit and thermal protection circuits

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

• Portable electronic devices requiring stable logic supply
• Battery-powered systems needing extended runtime
• Communication equipment signal conditioning
• Microcontroller peripheral power regulation

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

Verify the specific suffix ER-G against the official Torex Semiconductor datasheet to confirm package type and tape-and-reel specifications. Ensure input voltage constraints align with system requirements to prevent dropout or overvoltage conditions. Cross-reference RoHS compliance documentation for environmental adherence. Confirm availability through authorized distributors as lead times may vary based on production cycles.

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

Select this component when a precise 4.9 V rail is required with minimal voltage drop under heavy loads. The USP-6C-6 package offers a balance between thermal performance and board space efficiency. Consider the 100 uA standby current for applications prioritizing energy conservation. Validate that the 6 V maximum input rating accommodates peak source voltages without exceeding absolute maximum ratings.

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

This part belongs to the XC6222 series of high-speed LDO regulators from Torex Semiconductor. The series is characterized by fast transient response and low noise, making it suitable for sensitive analog and digital circuits. The XC6222C491ER-G specifically denotes the 4.9 V fixed output variant in the standard commercial temperature range packaging.

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

Direct substitutes include other XC6222 series variants with different output voltages if the voltage level can be adjusted externally. Verify pin compatibility before replacing with packages like SOT-89-5 or SOT-25-5, as physical footprints differ.