AZ1117EH-1.5TRG1

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

The AZ1117EH-1.5TRG1 is a discontinued low-dropout three-terminal linear regulator manufactured by Diodes Incorporated, providing a fixed 1.5V output at up to 1.0A current load. It features a typical dropout voltage of 1.1V at full load and maintains output accuracy within ±1%. The device incorporates a trimmed bandgap reference, on-chip thermal shutdown, and current limit protection (typically 1.3A). It operates with junction temperatures ranging from -40°C to +125°C and utilizes the SOT-223 surface-mount package.

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

• Provides fixed 1.5V output with ±1% accuracy using an integrated trimmed bandgap reference
• Includes on-chip thermal shutdown and current limit protection for overload safety
• Compatible with low ESR MLCC capacitors for stable operation
• Delivers excellent line regulation and low output noise characteristics

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 Diodes Incorporated. Verify availability through authorized distributors or secondary markets only if necessary. Confirm that replacement components meet all original electrical specifications, particularly dropout voltage and thermal performance requirements, before integrating into designs.

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

Select this part for applications requiring a fixed 1.5V rail with moderate current demands up to 1A. Ensure input voltage remains sufficiently above the output to maintain regulation within the specified dropout range. Consider the SOT-223 package thermal resistance when designing heat dissipation strategies for high ambient temperature environments.

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

Part of the AZ1117E series of low-dropout linear regulators designed for low-voltage transient response critical applications. The series offers various fixed voltage options and an adjustable version, packaged in industry-standard SOT-223 form factors. This specific variant targets cost-sensitive consumer electronics requiring reliable power management.

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

Use AZ1117C as the public confirmed substitute part number.

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

What is the maximum output current capability of the AZ1117EH-1.5TRG1?

The device provides a 1.0A output current ability, with a typical current limit of 1.3A.

Is the AZ1117EH-1.5TRG1 compatible with ceramic capacitors?

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