AZ1084CS-3.3TRG1

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

The AZ1084CS-3.3TRG1 is a fixed positive low-dropout linear regulator manufactured by Diodes Incorporated, delivering a nominal output voltage of 3.3V with a maximum load current capability of 5A. It operates within an input voltage range up to 12V and features a typical dropout voltage of 1.35V at full load. The device incorporates on-chip thermal limiting and current limiting circuits for protection against overload conditions. It is housed in a surface-mount TO252-2 package variant and supports an operating junction temperature range from 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
• Compatible with low ESR ceramic capacitors for stable operation
• Totally lead-free and fully RoHS compliant construction

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

• Post-regulation for switching supplies
• Microprocessor power supplies
• Battery chargers
• Desktop PC and embedded processor power systems

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

Verify the specific pin assignment option (Option 1, Option 2, or Type CJ) required for your PCB layout, as the TO252-2 package family includes multiple internal configurations. Confirm that the component meets the moisture sensitivity level requirements for your assembly process. Ensure the ordering suffix matches the desired tape and reel quantity specified in the manufacturer's documentation.

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

Select this component when a fixed 3.3V rail is needed with high current capacity up to 5A. Consider the thermal resistance characteristics and ensure adequate copper area on the PCB for heat dissipation. Verify that the input voltage remains within the recommended operating limits to maintain regulation and prevent excessive power dissipation during normal operation.

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

This part belongs to the AZ1084C series of low-dropout regulators, which also includes adjustable versions and other fixed voltage options such as 1.5V, 1.8V, 2.5V, and 5.0V. The series is designed for applications requiring efficient linear regulation with minimal external components. The 'S' in the model number indicates a specific package configuration within the broader TO252 family.

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

Direct substitutes include other AZ1084CD-3.3 variants from Diodes Incorporated, provided the package pinout matches. Cross-manufacturer equivalents must be verified for identical current ratings, dropout voltages, and thermal protection features.