XC6503A18APR-G

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

The XC6503A18APR-G is a fixed-output low-dropout regulator manufactured by Torex Semiconductor. It provides a stable 1.8 V output with a maximum continuous current of 500 mA. The device operates within an input voltage range of 1.7 V to 6 V and maintains a typical dropout voltage of 290 mV at full load. Quiescent current is specified at 15 uA, ensuring efficient power management. It features a typical power supply rejection ratio of 55 dB and includes overcurrent and thermal protection circuits. The component is housed in a compact SOT-89-3 package suitable for surface mount applications.

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

• Capless design eliminates the need for external output capacitors
• Integrated overcurrent and thermal shutdown protection mechanisms
• High-speed transient response characteristics for dynamic loads

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

• Portable battery-powered electronic devices
• Embedded systems requiring stable low-voltage rails
• Communication modules needing noise-sensitive power supplies

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

Verify the specific suffix 'A' indicates the correct package variant and temperature grade during procurement. Confirm that the 1.8 V output voltage aligns with target circuit requirements. Ensure compatibility with SOT-89-3 footprint constraints in the final assembly design.

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

Select this regulator when a fixed 1.8 V rail is required with high current capability. Consider the capless feature to reduce bill of materials and board space. Evaluate the 15 uA quiescent current against system standby power budgets. Verify input voltage stability remains above the minimum threshold for proper regulation.

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

This component belongs to the XC6503 series of high-speed LDO regulators from Torex Semiconductor. The series is characterized by its ability to operate without external capacitors while maintaining stability. The XC6503A18APR-G represents a specific voltage variant within this family, designed for applications demanding precise voltage regulation and compact form factors.

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

XC6503B18APR-G

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

Does the XC6503A18APR-G require an external output capacitor?

No, the device is designed as a capless LDO regulator and does not require an external output capacitor for stability.

What is the maximum input voltage for this regulator?

The maximum input voltage rating for the XC6503A18APR-G is 6 V.