AZ1117H-1.2TRE1

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

The AZ1117H-1.2TRE1 is a positive fixed-output linear regulator from Diodes Incorporated, providing a stable 1.2V output at up to 1A load current. It operates with an input voltage range of 3.0V to 15V and features a typical dropout voltage of 1.15V at full load. The device incorporates a trimmed bandgap reference ensuring ±2% output accuracy and includes on-chip thermal shutdown and current limiting for protection. It is housed in a lead-free SOT-223 package suitable for surface-mount applications.

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

• Trimmed bandgap reference ensures precise output voltage regulation within specified tolerance limits
• Integrated thermal shutdown circuitry prevents damage during overload or excessive ambient temperature conditions
• Current limit function provides controlled short-circuit protection while maintaining specified output capability

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

• PC Motherboard power distribution
• LCD Monitor voltage regulation
• Graphic Card auxiliary power supplies
• DVD-video Player logic circuits
• ADSL Modem interface power

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

Verify the component marking ID EH18A against official datasheet documentation to confirm authenticity. Ensure the ordering suffix TRE1 corresponds to the Tape & Reel packaging format required for automated assembly processes. Confirm RoHS compliance status matches project specifications before finalizing procurement orders.

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

Select this specific part when a fixed 1.2V rail is required with high current capability. The SOT-223 package offers a balance between thermal dissipation and board space efficiency compared to smaller alternatives. Consider the 1.15V dropout characteristic when designing input voltage margins relative to the maximum expected load current.

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

This component belongs to the AZ1117 series of low-dropout three-terminal regulators manufactured by Diodes Incorporated. The series encompasses various fixed voltage options and adjustable versions across multiple industry-standard packages including SOT89, TO220-3, and TO263. The H suffix specifically denotes the SOT-223 package variant within this product family.

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

The datasheet explicitly recommends using AZ1117C or AZ1117I series parts instead of this model for new designs.