STMicroelectronics LD29150DT25R 1.5A Linear Voltage Regulator

STMicroelectronics LD29150DT25R: High-Performance Linear Voltage Regulation

The STMicroelectronics LD29150DT25R is a cutting-edge linear voltage regulator designed for precision power management in modern electronic systems. This fixed-output 2.5V regulator combines high current capability (up to 1.5A) with advanced thermal protection features, making it ideal for demanding applications in industrial control systems, embedded electronics, and power supply designs.

Technical Excellence in Power Management

Engineered with STMicroelectronics' proprietary Bipolar CMOS DMOS (BCD) technology, the LD29150DT25R delivers exceptional performance through its unique combination of features. The device maintains stable regulation with a maximum dropout voltage of just 0.7V at full load, ensuring efficient power delivery even under fluctuating input conditions. Its thermal shutdown circuitry and overcurrent protection mechanisms provide robust safeguards against operational stressors.

Key electrical characteristics include:

Industrial-Grade Reliability

Housed in a thermally efficient DPAK (TO-252) package, this regulator operates across extreme temperature ranges (-40°C to 125°C), meeting the demands of harsh industrial environments. The surface-mount design facilitates automated PCB assembly while maintaining excellent thermal dissipation through its power tab structure. With 80mA maximum supply current and comprehensive protection features, it offers exceptional reliability in continuous operation scenarios.

The device's design advantages include:

• Space-saving DPAK packaging with high thermal efficiency
• Minimal external component requirements
• Stable output under varying load conditions
• Integrated safety features for long-term reliability

Design Flexibility and Applications

While optimized for fixed 2.5V regulation, the LD29150DT25R's versatility extends to various applications including:

Digital power supplies for FPGA/VLSI systems

Industrial process control equipment

Automotive electronics modules

High-precision sensor interfaces

Telecom infrastructure devices

When designing with this regulator, engineers benefit from reduced component count and simplified thermal management. The device's high PSRR (70dB at 120Hz) ensures clean power delivery to noise-sensitive analog circuits, while the low quiescent current contributes to overall system efficiency.

Quality and Compliance

As part of STMicroelectronics' industrial-grade component portfolio, the LD29150DT25R meets rigorous quality standards with AEC-Q100 automotive qualification and RoHS compliance. The device undergoes extensive testing across multiple stress conditions to guarantee performance consistency across production batches.

Tags: Power Management ICs, Industrial Electronics, Voltage Regulation, Surface Mount Devices, Embedded Systems