AZ1117T-1.8E1

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

The AZ1117T-1.8E1 is a fixed positive low dropout linear regulator manufactured by Diodes Incorporated, delivering a stable 1.8V output at up to 1A load current. It features a maximum dropout voltage of 1.25V and operates with an input voltage range up to 15V. The device incorporates internal thermal shutdown and current limiting for robust protection. It utilizes a TO-220-3 through-hole package and maintains operation across a junction temperature range of -40°C to +125°C.

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

• Integrated thermal shutdown circuitry prevents damage from excessive junction temperatures caused by overload or high ambient conditions.
• Internal current limiting ensures controlled short-circuit behavior while maintaining specified output current capabilities.
• Trimmed bandgap reference mechanism guarantees precise output voltage regulation within defined accuracy tolerances.

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

• Power supply stages in battery-operated equipment requiring efficient voltage conversion
• Point-of-load regulation for digital logic circuits and microcontrollers
• General-purpose linear regulation in industrial control systems

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

Verify the specific suffix E1 against the manufacturer's latest datasheet to confirm pinout compatibility and tape-and-reel specifications. Ensure the procurement source provides valid RoHS compliance documentation. Cross-reference the part number with official distributor catalogs to confirm availability status and lead times before finalizing orders.

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

Select this component when a fixed 1.8V rail is required with high current capacity in a through-hole configuration. Consider the 1.25V dropout voltage relative to the minimum input supply to ensure proper regulation under all load conditions. Evaluate thermal management requirements based on the power dissipation calculated from the voltage differential and load current.

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

This component belongs to the AZ1117 series of low dropout regulators designed for general-purpose applications. The series offers various fixed voltage options and adjustable versions in multiple packages including SOT-223, SOT-89, and TO-220. The AZ1117T variant specifically denotes the through-hole TO-220-3 packaging format suitable for higher power dissipation scenarios compared to surface-mount alternatives.

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

Compatible substitutes include other 1A LDOs with similar voltage and current ratings such as the AMS1117-1.8 or LM1117-1.8. Verify that replacement parts match the TO-220-3 footprint and maintain equivalent thermal and electrical performance characteristics.