AP7361EA-18E-13

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

The AP7361EA-18E-13 is a fixed-output linear regulator manufactured by Diodes Incorporated, providing a stable 1.8V output at up to 1A load current. It operates within an input voltage range of 2.2V to 6.0V and features a typical dropout voltage of 570mV at full load. The device incorporates an enable pin for power management, achieving a low quiescent current of 68µA. Packaged in SOT223 with tape-and-reel delivery, it includes built-in thermal shutdown and current limiting for fault protection.

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

• Ultra-low dropout performance ensures efficient regulation under minimal input-to-output voltage differentials.
• Integrated enable function allows precise control over power states through logic-level signals.
• Comprehensive protection mechanisms include foldback short-circuit current limiting and thermal shutdown.
• High power supply rejection ratio maintains output stability against input line noise.

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

• Laptop computers
• Audio and video equipment
• Battery-powered devices

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

Verify the specific package type matches the design requirements, as the AP7361EA series offers multiple footprint options including U-DFN3030-8, SOT89-5, and SO-8EP. Confirm that the ordering suffix corresponds to the desired output voltage and packaging format. Ensure compliance with RoHS 3 and halogen-free standards if required by the target market regulations.

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

Select this component when a fixed 1.8V rail is needed with high current capability in a compact surface-mount form factor. Consider the thermal resistance characteristics of the SOT223 package relative to the expected power dissipation. Verify that the input voltage remains above the minimum threshold while accounting for dropout voltage variations across temperature ranges.

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

This part belongs to the AP7361EA family of 1A low dropout regulators designed for portable electronics. The series supports both adjustable and fixed output configurations, offering flexibility for various voltage rails. The 'E' suffix denotes the SOT223 package variant, which provides a balance between thermal performance and board space efficiency compared to smaller packages.

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

AP7361EA-18ER-13 (SOT223R package)

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

Does the AP7361EA-18E-13 support adjustable output voltage?

No, the '18' in the part number indicates a fixed 1.8V output. Adjustable versions are available with a blank output code in the ordering string.

What is the maximum input voltage for this regulator?

The recommended operating input voltage range is 2.2V to 6.0V. The absolute maximum rating is 6.5V.