AZ1085D-3.3TRE1

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

The AZ1085D-3.3TRE1 is a fixed-output low dropout linear regulator manufactured by Diodes Incorporated, operating within the AZ1085 series. It provides a fixed output voltage of 3.3V with a maximum load current capability of 3A and a current limit of 4.5A. The device features a maximum dropout voltage of 1.5V at full load and operates over a junction temperature range of 0°C to 125°C. Packaged in TO-252-2 (DPAK) format, it includes integrated thermal shutdown and current limiting protection circuits.

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

• Integrated on-chip thermal shutdown and current limiting circuitry for enhanced reliability
• Fixed internal reference voltage ensures stable output without external adjustment components
• Low dropout characteristic allows efficient operation with minimal input-to-output voltage differential

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

• Post regulation for switching power supplies
• Microprocessor power supply rails
• Battery charger circuits
• Motherboard power distribution modules

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

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and check for specific green package variants if required. Ensure proper handling procedures are followed due to surface mount packaging sensitivity. Review datasheet specifications against application requirements before procurement.

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

Select this component when a fixed 3.3V rail is required with up to 3A continuous current. Verify that the input voltage remains within the 12V absolute maximum rating while maintaining sufficient headroom above the dropout voltage. Consider thermal management strategies based on the specified junction-to-ambient resistance values for the TO-252-2 package.

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

This part belongs to the AZ1085 family of positive low dropout regulators produced by BCD Semiconductor Manufacturing Limited, now associated with Diodes Incorporated branding. The series offers various fixed voltage options and adjustable configurations across multiple standard packages including TO-220, TO-263, and TO-252 formats.

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

AZ1085S-3.3TRE1

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

What is the minimum load current requirement for the AZ1085D-3.3TRE1?

The datasheet specifies a minimum load current of 10 mA for proper regulation under typical operating conditions.

How does the device handle overload conditions?

The regulator incorporates both current limiting circuitry, which caps output current at approximately 4.5A, and thermal shutdown protection to prevent damage during overheating events.