AP2318AMP-ADJTRG1

Overview

The AP2318AMP-ADJTRG1 is an adjustable ultra-low dropout (ULDO) linear regulator manufactured by Diodes Incorporated. It operates within a wide input voltage range of 2.5V to 12V and delivers a maximum output current of 1A. The device features ±1.5% output voltage accuracy, on-chip thermal shutdown, and current limit protection. It utilizes a PSOP-8 package and supports an operating junction temperature range from -40°C to +125°C.

Feature Summary

• Adjustable output voltage configuration via external resistors
• Integrated thermal shutdown for overload protection
• High ESD tolerance with Human Body Model rating of 3000V

Applications

• Notebook computers
• USB devices
• Add-on cards
• DVD players
• PC motherboards

Procurement Notes

Verify the component status before procurement as the datasheet explicitly states this series is not recommended for new designs. Confirm that the specific ordering suffix matches the required RoHS compliance level and tape & reel packaging format. Ensure availability aligns with project timelines given potential discontinuation risks associated with legacy product lines.

Selection Notes

Select this component for applications requiring low dropout performance under varying load conditions. The adjustable output feature allows flexibility in setting precise voltage levels using external resistors. Consider the thermal resistance characteristics when designing heat dissipation strategies for high ambient temperatures or sustained high-current operations.

Part Context

This part belongs to the AP2318A series of ULDO regulators optimized for low voltage applications where transient response and minimum input voltage are critical. The series includes both fixed and adjustable versions available in DFN-3x3-8 and PSOP-8 packages, providing options for different board space and thermal requirements.

Replacement Considerations

Public confirmed substitute part numbers: AP2318ADN-ADJTRG1.