TPS72501DCQR

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

The TPS72501DCQR is a low-dropout linear regulator from the TPS725xx family, manufactured by Texas Instruments. It provides an adjustable output voltage ranging from 1.2 V to 5 V with a continuous output current of 1 A. The device operates with an input voltage range of 1.8 V to 6 V and features a typical dropout voltage of 170 mV at full load. It utilizes a SOT-223-5 surface-mount package and includes integrated supervisory circuitry with an active-low reset signal. The regulator maintains stability with any type or value of output capacitor.

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

• Adjustable output voltage configuration via external feedback resistor divider
• Integrated supervisor circuit providing active-low reset signal with delay
• Capacitor-independent stability allowing use of any output capacitor type
• Built-in thermal protection and overcurrent limiting for system safety

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

• Power supplies for DSPs, FPGAs, and microcontrollers
• Portable and battery-powered equipment
• Telecom boards and modem banks
• PCI cards requiring efficient power regulation

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

Verify the specific DCQ package designation and ensure compatibility with the SOT-223-5 footprint during integration. Confirm that the adjustable voltage setting aligns with the required application range between 1.2 V and 5 V. Check for any obsolescence notices or lifecycle status updates from Texas Instruments prior to finalizing procurement plans.

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

Select this component when a high-current 1-A LDO with adjustable output is required in a compact surface-mount form factor. It is suitable for applications needing low dropout performance under heavy loads. Ensure the design accommodates the necessary external resistors for voltage programming and considers thermal dissipation requirements based on the expected power loss.

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

This part belongs to the TPS725xx family of low-input voltage, 1-A low-dropout linear regulators. The family includes fixed-voltage options such as the TPS72515, TPS72516, TPS72518, and TPS72525. The TPS72501 specifically serves as the adjustable variant within this lineup, offering flexibility in output voltage settings while sharing common features like low ground current and integrated protection mechanisms.

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

Direct replacements include other members of the TPS725xx family such as the TPS72515, TPS72516, TPS72518, and TPS72525 for fixed voltage needs. For adjustable versions, verify pinout compatibility across different package types like DDPAK or SOP if mechanical constraints differ.