AZ2940H-3.3TRG1

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

The AZ2940H-3.3TRG1 is a linear voltage regulator IC from Diodes Incorporated, providing a fixed positive output of 3.3V with a maximum current capacity of 1A. It operates within an input voltage range up to 13.2V and features a typical dropout voltage of 0.28V at full load. The device offers high power supply rejection ratio (PSRR) of 65dB and maintains operation across an extended temperature range of -40°C to +125°C. Packaged in a SOT-223-3 surface-mount case, it is designed for efficient power management in compact electronic systems requiring stable low-dropout performance.

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

• Ultra-low dropout voltage design for enhanced efficiency under varying load conditions
• High power supply rejection ratio to minimize noise impact on output stability
• Fixed 3.3V output configuration ensuring precise voltage regulation without external components
• Extended thermal operating range suitable for demanding industrial environments

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

• General-purpose power supply circuits requiring stable 3.3V rails
• Battery-powered devices needing efficient voltage conversion with minimal heat dissipation
• Embedded systems and microcontroller power interfaces
• Portable electronics utilizing space-constrained SOT-223 packaging

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

Verify component authenticity through authorized Diodes Incorporated distributors or certified partners. Confirm RoHS compliance status and lead-free soldering requirements prior to integration. Check for moisture sensitivity level markings on packaging to ensure proper handling during storage and reflow processes. Validate that the specific suffix matches the required package type and tape/reel specifications for automated assembly lines.

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

Select this component when a fixed 3.3V output at 1A is required with minimal voltage drop between input and output. Consider its SOT-223-3 package for applications prioritizing thermal performance and board space efficiency over other LDO families. Ensure input voltage does not exceed 13.2V and verify that the 65dB PSRR meets system noise immunity standards. Evaluate thermal dissipation capabilities based on ambient temperature and PCB copper area availability.

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

This part belongs to the AZ2940 series of ultra-low dropout regulators from Diodes Incorporated. It shares architectural similarities with other members like AZ2940D and AZ2940UD but differs in package style and specific electrical characteristics tailored for different thermal and spatial constraints within the broader PMIC portfolio.

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

Direct substitutes include AZ2940D-3.3TRE1 and AZ2940UD-2.5TRE1 from the same manufacturer family, though pin compatibility and exact output voltages must be verified against schematic requirements before substitution.