AZ1084S2-2.5TRE1

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

The AZ1084S2-2.5TRE1 is a fixed positive low dropout linear regulator manufactured by Diodes Incorporated, delivering a nominal output voltage of 2.5V at up to 5A load current. It operates within an input voltage range of up to 12V and features a maximum dropout voltage of 1.5V under full load conditions. The device incorporates on-chip thermal limiting and current limiting circuits for protection against overload and excessive junction temperatures. Packaged in the TO-263-2 (D²Pak) surface-mount format with a tab connection, it supports operation across a junction temperature range of 0°C to +125°C.

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

• Integrated thermal limiting and current limiting circuitry for robust overload protection
• Fixed output configuration with integrated adjust resistors for simplified design
• Low dropout performance enabling efficient regulation under high load currents

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

• High efficiency linear regulators
• Battery chargers
• Post regulation for switching supplies
• Microprocessor supply
• Desktop PCs, RISC and embedded processors' supply

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

Verify component authenticity through authorized distribution channels due to obsolete status. Confirm package marking and pinout alignment with datasheet specifications before integration. Ensure compliance with RoHS directives as indicated by the E1 suffix designation. Validate thermal management requirements based on specific PCB layout and ambient operating conditions.

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

Select this component when a stable 2.5V rail is required for high-current digital logic or microprocessor applications. The TO-263-2 package provides adequate thermal dissipation for moderate power loads without requiring extensive heatsinking. Consider line and load regulation specifications relative to downstream sensitivity requirements.

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

This part belongs to the AZ1084 series of 5A low dropout linear regulators produced by Diodes Incorporated. The series includes various fixed voltage options and adjustable variants housed in multiple packages including TO-220-3, TO-252-2, and TO-263 families. The S2 suffix specifically denotes the TO-263-2 package variant.

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

Public documentation indicates the AZ1084C series as the designated replacement for the standard AZ1084 line.