AP7361C-18SPR-13

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

The AP7361C-18SPR-13 is a fixed-output low dropout linear regulator manufactured by Diodes Incorporated. It provides a stable 1.8V output with a maximum current capacity of 1A. The device operates within an input voltage range of 2.2V to 6.0V and features a typical quiescent current of 60µA. It utilizes the SO-8EPR package, which includes an enable pin for power management control. Key electrical specifications include a typical dropout voltage of 440mV at 1A load and a power supply rejection ratio of 75dB at 1kHz.

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

• Integrated enable function allows active high control for power switching applications
• Built-in thermal shutdown and fold-back short circuit protection safeguards against fault conditions
• Stable operation guaranteed with minimum ceramic output capacitance of 2.2µF
• High accuracy fixed output voltage regulation with ±1% tolerance

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

• Battery-powered portable devices requiring efficient power management
• Audio and video equipment needing low noise power supplies
• Laptop computers utilizing multiple regulated voltage rails
• Set-top boxes and home electrical appliances

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

Verify that the specific suffix SPR corresponds to the SO-8EPR tape and reel packaging configuration as defined in the manufacturer's ordering information. Confirm that the internal code designation matches the required 1.8V fixed output variant. Ensure compliance with RoHS 3 and REACH standards if environmental documentation is required for the procurement process.

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

Select this component when a fixed 1.8V rail is required with integrated enable functionality. The SO-8EPR package offers a balance of thermal performance and board space efficiency compared to larger packages. Consider the 440mV dropout voltage at full load to ensure sufficient input-to-output headroom is maintained under all operating conditions.

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

This part belongs to the AP7361C series of 1A low dropout regulators from Diodes Incorporated. The series supports both adjustable and fixed output configurations across various surface-mount packages including U-DFN3030-8, SOT89-5, SOT223, TO252, and SO-8EP variants. The C-series specifically denotes the inclusion of the enable pin feature not present in all family members.

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

AP7361C-18SP-13