AZ1117EH-ADJTRG1

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

The AZ1117EH-ADJTRG1 is a discontinued low-dropout three-terminal linear regulator from Diodes Incorporated, designed for applications requiring transient response and minimum input voltage optimization. It provides an adjustable output voltage with a reference of 1.25V and supports up to 1.0A output current. The device features a typical dropout voltage of 1.1V at full load, ensuring efficiency in low-voltage systems. Integrated protections include current limiting and thermal shutdown to safeguard against excessive junction temperatures.

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

• Adjustable output voltage configuration utilizing a trimmed bandgap reference
• Integrated current limit and thermal shutdown protection mechanisms
• Compatible with low ESR MLCC capacitors for stable operation

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

• TVs and LCD Monitors
• PC Peripherals including Notebooks and Motherboards
• Set-Top Boxes (STB)

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

This component is officially marked as obsolete and discontinued by the manufacturer. Sourcing new units directly from Diodes Incorporated is not possible. Verification of availability must be restricted to authorized distributors offering surplus or secondary market inventory. Ensure strict compliance with RoHS 3 and Halogen-free specifications when evaluating alternative stock sources.

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

Designers should select this part only if legacy compatibility is required, as it has been superseded by newer series. Verify that the application can accommodate the specific pinout and package dimensions of the SOT-223 housing. Confirm that the external resistor network for the adjustable version meets the required voltage accuracy and stability criteria defined in the datasheet.

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

The AZ1117E series represents a generation of 1.0A low-dropout regulators optimized for low-voltage environments. This specific model utilizes the SOT-223 surface-mount package and operates within a junction temperature range of -40°C to +125°C. It belongs to a family of fixed and adjustable LDOs intended for general-purpose power management in consumer electronics.

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

The datasheet explicitly directs users to use the AZ1117C series as a replacement for the AZ1117E.

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

What is the typical dropout voltage at maximum load?

The typical dropout voltage is specified at 1.1V when the output current is 1.0A.

Is the device compatible with ceramic capacitors?

Yes, the regulator is stable with low ESR MLCC capacitors, requiring a minimum of 1.0μF on both input and output.