AZ1085S-ADJTRG1

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

The AZ1085S-ADJTRG1 is an adjustable positive low dropout linear regulator manufactured by Diodes Incorporated. It delivers a maximum output current of 3A with a typical dropout voltage of 1.3V at full load and a maximum of 1.5V. The device incorporates on-chip thermal shutdown, current limiting (4.5A), and a bandgap reference. It operates within a junction temperature range of 0 to 125°C and accepts input voltages up to 12V. The component utilizes the TO-263-3 package and is supplied in tape and reel format.

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

• Adjustable output voltage configuration using two external resistors
• Integrated thermal shutdown and current limiting protection circuits
• Low dropout performance with typical 1.3V drop at 3A load

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

• Battery charger systems
• Post regulation for switching supplies
• Microprocessor power supplies
• Motherboard power distribution
• Telecom equipment power modules

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

Verify the specific ordering suffix 'TRG1' against official manufacturer documentation to confirm the tape and reel packaging type and green compliant status. Ensure the TO-263-3 package variant matches the required PCB footprint. Confirm RoHS compliance requirements align with the E1 or G1 designation specifications provided in the datasheet.

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

Select this component when a stable 3A output current is required with minimal voltage loss across the regulator. The adjustable version allows flexibility in setting output voltages via external resistors. Verify that the input-to-output differential voltage remains within the specified limits to maintain regulation and prevent excessive power dissipation under high ambient temperatures.

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

This part belongs to the AZ1085 series of low dropout positive voltage regulators. The series includes fixed voltage options such as 1.5V, 1.8V, 2.5V, 3.3V, and 5.0V, alongside the adjustable variant. The S package designation indicates the TO-263-3 form factor, while the TRG1 suffix specifies the reel packing method and environmental compliance attributes defined by the manufacturer.

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

AZ1085S-ADJTRE1

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

How is the output voltage determined for the AZ1085S-ADJ?

The output voltage is set using two external resistors connected to the ADJ pin, following the formula VOUT = VREF * (1 + R2/R1) + IADJ * R2.

What protection features are included in the AZ1085S-ADJ?

The device includes on-chip thermal shutdown to protect against excessive junction temperatures and a current limiting circuit rated at 4.5A to handle overload conditions.