AP2318DN-ADJTRG1

Overview

The AP2318DN-ADJTRG1 is an adjustable ultra-low dropout regulator from Diodes Incorporated, housed in a DFN-3x3-8 package. It operates with an input voltage range of 2.5V to 12V and delivers up to 1A output current. The device features ±1.5% output voltage accuracy and includes on-chip thermal shutdown and current limit protection. It 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 electrostatic discharge robustness ratings

Applications

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

Procurement Notes

Verify the component status before procurement as the datasheet indicates this series is not recommended for new designs. Confirm that the specific ordering suffix matches the required DFN-3x3-8 package and RoHS compliance specifications. Ensure compatibility with existing board layouts due to potential design phase limitations.

Selection Notes

Select this regulator for low-voltage applications requiring fast transient response and minimal input voltage headroom. The adjustable version allows flexible output voltage setting using two external resistors. Consider the wide operating temperature range and high ESD ratings when designing for industrial or consumer electronics environments.

Part Context

This component belongs to the AP2318A series of ultra-low dropout regulators optimized for critical low-voltage applications. The series provides both fixed and adjustable output options, featuring trimmed bandgap references for precise voltage regulation. It is designed to handle demanding power management requirements in portable and computing devices.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.