AZ2940D-3.3TRG1

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

The AZ2940D-3.3TRG1 is a low-dropout linear voltage regulator manufactured by Diodes Incorporated, designed for ultra-low noise applications. It provides a fixed output voltage of 3.3V with a maximum continuous output current of 1A. The device features an ultra-low dropout voltage of 280mV at full load, ensuring high efficiency even with small input-output differentials. It operates within a junction temperature range and utilizes a TO-252-2 surface-mount package for efficient thermal dissipation.

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

• Ultra-low noise performance suitable for sensitive analog and RF circuits
• High PSRR to effectively suppress power supply ripple
• Integrated thermal shutdown and current limiting protection

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

• Portable battery-powered equipment requiring stable power rails
• RF modules and wireless communication devices
• Audio amplifiers and precision sensor interfaces

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

Verify the specific suffix TRG1 against the manufacturer's latest datasheet to confirm pinout and packaging details. Confirm RoHS compliance status as regulatory requirements may vary by region. Check for obsolescence notices or lifecycle changes directly from Diodes Incorporated before finalizing procurement plans.

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

Select this component when ultra-low noise is critical for signal integrity in 3.3V systems. Ensure the input voltage remains above the minimum dropout threshold to maintain regulation. Consider the TO-252-2 package size constraints and thermal management requirements for the specific PCB layout.

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

This part belongs to the AZ2940 series of low-noise LDO regulators. It is distinct from higher-current variants like the AZ1084 or standard LDOs like the AP2114. The series focuses on minimizing output noise voltage density for high-performance applications.

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

Direct substitutes include other 1A ultra-low noise LDOs with 3.3V fixed output and compatible packages. Verify equivalent noise specifications and dropout characteristics. Cross-reference pinouts carefully as package variations exist within similar form factors.