Texas Instruments

TPS7101QDR  

Linear & Switching Voltage Regulators

The TPS7101QDR is a low-dropout (LDO) linear voltage regulator from Texas Instruments. It is designed to provide a stable and reliable voltage output for a wide range of applications.

Description:

The TPS7101QDR is a low-dropout linear voltage regulator that operates from an input voltage range of 2.5V to 5.5V and provides a fixed output voltage of 3.3V. It has a very low dropout voltage of 250mV, which ensures that it can maintain a stable output voltage even when the input voltage is close to the output voltage. The device is available in a small QFN package, making it suitable for space-constrained applications.

Features:

• Low dropout voltage of 250mV at 1A load
• Fixed output voltage of 3.3V
• Input voltage range of 2.5V to 5.5V
• Output current capability of up to 1A
• Low quiescent current of 5.5µA
• High PSRR (Power Supply Reject Ratio) of 70dB at 1kHz
• Overcurrent protection
• Overtemperature protection
• Small QFN package (1mm x 1mm)

Applications:

The TPS7101QDR is suitable for a wide range of applications that require a stable and reliable voltage supply. Some of the key applications include:

1. Portable devices: The low dropout voltage and low quiescent current make it ideal for use in battery-powered devices such as smartphones, tablets, and wearables.
2. IoT devices: The TPS7101QDR can be used to provide a stable voltage supply for IoT devices, such as sensors and microcontrollers, that require a low-power and efficient power solution.
3. Industrial control systems: The device's high PSRR and overvoltage protection features make it suitable for use in industrial control systems where a stable voltage supply is critical.
4. Automotive systems: The TPS7101QDR can be used in automotive applications, such as infotainment systems and sensor interfaces, where a low-dropout voltage regulator is required.
5. Medical devices: The device's low quiescent current and small form factor make it suitable for use in battery-powered medical devices, such as hearing aids and portable monitoring equipment.

In summary, the TPS7101QDR is a low-dropout linear voltage regulator from Texas Instruments that offers a stable and reliable voltage output for a wide range of applications. Its low quiescent current, low dropout voltage, and small form factor make it an ideal choice for portable devices, IoT devices, industrial control systems, automotive systems, and medical devices.

TPS7101QDR Documents

Download datasheets and manufacturer documentation for TPS7101QDR

Datasheets :

TPS71 Datasheet      

PCN Design/Specification :

Design 25/Feb/2022