AZ1084CS-1.8TRE1

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

The AZ1084CS-1.8TRE1 is a fixed positive low-dropout linear regulator from Diodes Incorporated, delivering a nominal output voltage of 1.8V at up to 5A load current. It operates within an input voltage range of 3.3V to 12V and features a maximum dropout voltage of 1.5V under 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 (3) package and 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 circuits protect the device from excessive junction temperatures and overloads.
• Fixed output configuration with integrated adjust resistors eliminates the need for external components.
• Compatible with low equivalent series resistance ceramic capacitors for stable operation.

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

• High-efficiency linear regulators
• Battery chargers
• Post-regulation for switching supplies
• Microprocessor supplies

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

Verify the specific suffix 'S' against official manufacturer documentation, as standard datasheets list 'CD' variants. Confirm RoHS compliance status and check for end-of-life notifications or discontinuance notices prior to procurement. Ensure the selected package variant matches the required PCB footprint dimensions.

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

Select this component when a fixed 1.8V rail is required for high-current applications. Verify that the input voltage remains above the minimum threshold of 3.3V to ensure proper regulation. Evaluate thermal management requirements based on the power dissipation calculated from the voltage drop and load current.

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

This part belongs to the AZ1084C series of 5A low-dropout linear regulators. The series includes various fixed voltage options such as 1.5V, 2.5V, 3.3V, and 5.0V, alongside adjustable versions. All variants share common electrical characteristics including thermal protection and compatibility with ceramic output capacitors.

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

Direct substitutes include other AZ1084C series parts with different fixed voltages if the voltage requirement changes. Cross-vendor equivalents should be verified for pinout compatibility and thermal performance specifications.