LD29300D2M15R

Overview

The LD29300D2M15R is a fixed-output linear voltage regulator from STMicroelectronics, providing a nominal 1.5 V output with ±1% tolerance at 25°C. It supports up to 3 A of guaranteed output current and features a typical dropout voltage of 0.4 V under full load. The device includes internal current limiting and thermal shutdown protection, along with a logic-controlled electronic shutdown function. It operates within a junction temperature range of -40°C to 125°C and utilizes a D2PAK package.

Feature Summary

• Guarantees high output current capability up to 3 A for demanding loads
• Features very low dropout voltage characteristics for efficient power management
• Includes internal current limit and thermal limit protections for system safety
• Supports logic-controlled electronic shutdown for power optimization

Applications

• Power supply switching post regulation
• Series power supply for monitors
• Computer systems
• Battery powered systems

Procurement Notes

Verify the specific ordering suffix against official documentation to confirm package type and availability status. Confirm that the component meets required environmental standards such as RoHS compliance before integration into designs. Check for any obsolescence notices or recommended replacement parts from the manufacturer to ensure long-term supply chain stability.

Selection Notes

Select this regulator when a stable 1.5 V rail is required with high current demands. Ensure input voltage remains above the minimum operating threshold while accounting for dropout voltage variations across temperature ranges. Verify that the thermal resistance of the chosen PCB layout can dissipate heat generated at maximum load currents effectively.

Part Context

This component belongs to the LD29300xx series of very low drop voltage regulators designed by STMicroelectronics. The series offers multiple fixed output voltages and adjustable options, catering to various power management needs in consumer electronics and industrial applications requiring reliable linear regulation.

Replacement Considerations

Consult the manufacturer's datasheet for officially confirmed substitute part numbers if this specific variant is unavailable. Cross-reference pinouts and electrical specifications carefully to ensure compatibility with existing circuit designs.