TPS73525DRVR: Texas Instruments' High-Performance 2.5V 500mA Linear Voltage Regulator IC

Comprehensive Product Overview

The TPS73525DRVR represents Texas Instruments' commitment to high-performance power management solutions. This advanced linear voltage regulator IC delivers exceptional voltage regulation in an ultra-compact 6-WSON (2x2mm) package. Designed for engineers requiring reliable power conversion, the device offers a fixed 2.5V output with 500mA current capacity, making it particularly valuable for space-constrained applications where board real estate is at a premium.

Detailed Technical Specifications

Voltage Regulation Performance

• Wide Input Voltage Range: 2.7V to 6.5V operation accommodates various power sources
• Precision Output: Fixed 2.5V output with 2% accuracy over line, load, and temperature
• Ultra-Low Dropout: Just 500mV maximum at full 500mA load current
• Excellent Line Regulation: 0.02%/V typical performance

Advanced Noise Reduction

• Superior PSRR: 66dB at 100Hz, decreasing to 22dB at 100kHz
• Low Output Noise: 75 VRMS typical (10Hz to 100kHz)
• Fast Transient Response: Quickly handles load steps while maintaining regulation

Power Efficiency Features

• Ultra-Low Quiescent Current: 65 A typical (85 A maximum)
• Enable Pin: Allows system power management with <1 A shutdown current
• Thermal Optimization: Exposed pad enhances heat dissipation

Robust Protection Suite

• Current Limiting: Protection against short circuits
• Thermal Shutdown: Prevents damage from overheating
• Reverse Polarity Protection: Safeguards against installation errors
• UVLO: Under-voltage lockout ensures proper operation

Package and Environmental Specifications

• Compact Footprint: 2mm 2mm 6-WSON package
• Operating Temperature: -40 C to +125 C industrial range
• Moisture Sensitivity: Level 1 (unlimited floor life)
• RoHS Compliant: Meets environmental standards

Application Scenarios

Portable Electronics

The TPS73525DRVR excels in battery-powered devices where efficiency and size matter. Its low dropout voltage extends battery life in:

• Smartphones and tablets
• Wearable devices
• Portable medical equipment
• Handheld test instruments

Industrial Systems

Industrial applications benefit from the regulator's robustness:

• PLC I/O modules
• Sensor interfaces
• Control system power rails
• Automation equipment

Embedded Computing

Ideal for powering sensitive digital circuits:

• Microcontroller power supplies
• FPGA auxiliary rails
• Memory module voltage regulation
• Communication interface power

Design Considerations

Layout Recommendations

• Use 10 F or greater ceramic output capacitor for stability
• Place input capacitor close to VIN pin
• Maximize thermal pad connection to PCB ground plane
• Keep sensitive analog traces away from switching nodes

Thermal Management

• Calculate power dissipation as (VIN - VOUT) IOUT
• Use thermal vias under exposed pad for heat transfer
• Monitor junction temperature in high ambient environments

Comparative Advantages

When evaluated against competing regulators, the TPS73525DRVR offers:

• Smaller footprint than comparable SOT-23 solutions
• Better PSRR than many similar LDOs
• Lower quiescent current than industrial-grade alternatives
• More comprehensive protection features than basic regulators

Purchasing Information

The TPS73525DRVR is available through authorized Texas Instruments distributors. Typical delivery quantities include:

• Cut tape (250 pieces per reel)
• Sample quantities (1-10 pieces)
• Bulk packaging options

Conclusion

The TPS73525DRVR sets a new standard for compact, efficient linear voltage regulation. Its combination of precision output, robust protection features, and Texas Instruments' quality assurance makes it an outstanding choice for demanding applications across multiple industries. Engineers can rely on this regulator to deliver stable power in the most challenging environments while minimizing board space and maximizing energy efficiency.

For detailed technical specifications, application notes, or to request samples, visit our product page or contact our technical support team today. We provide comprehensive design resources to help you implement the TPS73525DRVR successfully in your next project.