XC6209B542DR-G

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

The XC6209B542DR-G is a positive fixed-output low dropout (LDO) voltage regulator manufactured by Torex Semiconductor. It provides a fixed output voltage of 5.4 V with a maximum output current of 150 mA. The device operates within an input voltage range of 2 V to 10 V and features a typical power supply rejection ratio (PSRR) of 70 dB at 1 kHz. Quiescent current is specified at 25 µA, and the package type is USP-6B-6.

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

• High-speed LDO regulator design compatible with low ESR capacitors
• Integrated output ON/OFF control function for power management
• Built-in overcurrent protection circuitry

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

• Battery-powered portable electronic devices
• Low noise analog circuit power supplies
• Microcontroller system voltage regulation

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

Verify the specific output voltage tolerance and package marking against the official Torex Semiconductor datasheet before procurement. Confirm that the ordering suffix matches the required tape and reel quantity specifications. Ensure compatibility with the target PCB footprint for the USP-6B-6 package.

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

Select this component when a stable 5.4 V rail is required from a single-cell or dual-cell battery source. The low quiescent current makes it suitable for energy-efficient designs. Verify that the input voltage remains above the minimum dropout threshold for the expected load current.

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

This part belongs to the XC6209 series of high-speed LDO regulators. The series utilizes CMOS processes to achieve high precision and low noise performance. It is designed for applications requiring fast transient response and efficient power management in compact surface-mount packages.

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

Cross-reference with other XC6209 variants offering different fixed output voltages if the 5.4 V specification does not match the system requirements. Ensure any substitute maintains the same USP-6B-6 package and electrical characteristics.