TPS73201DCQR

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

The TPS73201DCQR is a positive adjustable low-dropout linear regulator from Texas Instruments, housed in a SOT-223-6 package. It supports an input voltage range of 1.7V to 5.5V and delivers up to 250mA of output current. The device features ultra-low dropout voltage, with typical values of 40mV at full load. It offers high precision with 0.5% initial accuracy and 1% overall accuracy across line, load, and temperature variations. The regulator operates without requiring an output capacitor for stability.

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

• Capacitor-free stability allows operation with no output capacitor or any value/type of capacitor
• NMOS topology provides low reverse leakage current and nearly constant ground pin current
• Ultra-low dropout voltage ensures efficient regulation under minimal headroom conditions
• Integrated thermal shutdown and foldback current limit protection safeguards against faults

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

• Portable and battery-powered equipment
• Post-regulation for switching supplies
• Noise-sensitive circuitry such as VCOs
• Point of load regulation for DSPs, FPGAs, ASICs, and microprocessors

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

Verify the specific suffix DCQ corresponds to the SOT-223-6 package configuration required for your PCB layout. Confirm that the adjustable output version (TPS73201) matches your voltage setting requirements using external feedback resistors. Ensure supply chain sources provide original manufacturer documentation to validate component authenticity and revision status.

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

Select this component when designing circuits requiring stable regulation without mandatory output capacitors. It is suitable for applications needing low noise performance for sensitive analog loads like VCOs. Consider the NMOS architecture for its low reverse current characteristics. Verify that the input voltage range accommodates your system's minimum operating levels while maintaining sufficient headroom for the dropout voltage.

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

This part belongs to the TPS732 family of capacitor-free, NMOS, 250mA low-dropout regulators. The family includes fixed and adjustable output versions packaged in SOT-23, SOT-223, and VSON formats. These devices utilize an advanced BiCMOS process to achieve high precision and low ground pin current, making them ideal for portable electronics where power efficiency and space constraints are critical design factors.

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

Direct substitutes within the same series include other TPS732xx variants with different output voltages or packages, such as TPS73225 or TPS73201DBVT. Cross-family replacements may require evaluation of dropout voltage, current capacity, and package dimensions to ensure mechanical and electrical compatibility.