UPC2933AT-E1-AZ

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

The UPC2933AT-E1-AZ is a linear voltage regulator IC from Renesas Electronics Corporation, providing a fixed positive output of 3.3V with a maximum output current capability of 1A. It utilizes a PNP output transistor architecture to achieve low dropout performance, specified at a typical dropout voltage of 0.7V when delivering 1A of load current. The device is housed in a TO-252 (MP-3Z) surface-mount package. Key internal features include on-chip over-current protection and thermal shutdown circuits to safeguard the component under fault conditions.

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

• Fixed 3.3V output voltage regulation
• High output current capability exceeding 1.0 A
• Low dropout voltage operation for efficient power management
• Integrated over-current and thermal protection circuits

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

• Portable battery-powered electronic devices
• Embedded systems requiring stable 3.3V logic supplies
• Industrial control modules with limited headroom
• Consumer electronics with space-constrained PCB layouts

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

Verify the specific suffix 'E1-AZ' against official Renesas documentation to confirm lead-free status and tape-and-reel packaging specifications. Ensure compatibility with TO-252 footprint requirements during procurement planning. Cross-reference part numbers with authorized distributors to avoid counterfeit components. Confirm environmental compliance certifications such as RoHS if required by your manufacturing standards.

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

Select this component when a fixed 3.3V supply is needed with high current drive in a compact surface-mount form factor. The PNP-based design offers lower dropout compared to some NPN alternatives, making it suitable for applications where input voltage is close to the output requirement. Consider the thermal dissipation capabilities of the TO-252 package relative to the expected ambient temperature and load profile.

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

This part belongs to the μPC2933A/2905A series of three-terminal positive regulators manufactured by Renesas Electronics. These regulators are designed for general-purpose linear regulation tasks where simplicity and reliability are prioritized. The series is characterized by its robust protection features and ability to deliver substantial current in small packages, fitting into broader analog power management portfolios.

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

Direct substitutes may include other 3.3V 1A LDOs in TO-252 packages from manufacturers like STMicroelectronics or Texas Instruments, provided pinouts and electrical characteristics match. Verify that replacement parts offer comparable dropout voltages and protection features. Always validate thermal performance and physical dimensions before implementing any cross-brand substitution.