Texas Instruments

TPS78928DBVT

TPS78928DBVT Description

The TPS78928DBVT is a high-performance linear regulator designed for applications requiring a fixed output voltage of 2.8V and a maximum output current of 100mA. Manufactured by Texas Instruments, this device is part of the Power Management Integrated Circuits (PMIC) category and is housed in a compact SOT23-5 package, making it ideal for space-constrained designs. The regulator is designed to operate with an input voltage range up to 10V, ensuring compatibility with a wide array of power sources.

TPS78928DBVT Features

The TPS78928DBVT offers several key features that enhance its performance and reliability:

• Fixed Output Voltage: Provides a stable 2.8V output voltage, ensuring consistent power supply to sensitive electronic components.
• Low Dropout Voltage: With a maximum dropout voltage of 0.13V at 100mA, the regulator maintains high efficiency even at low input-to-output voltage differentials.
• Low Quiescent Current: Consumes only 28 µA of quiescent current, making it suitable for battery-powered and low-power applications.
• High Power Supply Rejection Ratio (PSRR): Achieves 85dB at 1kHz, effectively filtering out noise from the input power supply and ensuring clean output voltage.
• Enable Control Feature: Allows for dynamic control of the regulator's operation, enabling power-saving modes and controlled startup/shutdown sequences.
• Protection Features: Includes over-current, over-temperature, and reverse polarity protection, safeguarding the device and connected circuits from potential damage.
• Compliance and Reliability: Certified as REACH Unaffected and ROHS3 Compliant, ensuring environmental safety and regulatory compliance. The device also has a Moisture Sensitivity Level (MSL) of 1 (Unlimited), making it robust against moisture-related issues.

TPS78928DBVT Applications

The TPS78928DBVT is well-suited for a variety of applications due to its combination of high performance and compact size:

• Consumer Electronics: Ideal for portable devices such as smartphones, tablets, and wearables where space and power efficiency are critical.
• Industrial Equipment: Suitable for powering sensitive sensors and microcontrollers in industrial IoT applications.
• Medical Devices: Can be used in portable medical devices requiring stable and low-noise power supplies.
• Automotive Applications: Applicable in automotive electronic systems where reliability and protection features are paramount.

Conclusion of TPS78928DBVT

The TPS78928DBVT from Texas Instruments is a versatile and high-performance linear regulator that stands out in its category. Its low dropout voltage, high PSRR, and comprehensive protection features make it a reliable choice for a wide range of applications. The compact SOT23-5 package and low quiescent current further enhance its suitability for space-constrained and low-power designs. Whether in consumer electronics, industrial equipment, medical devices, or automotive applications, the TPS78928DBVT delivers consistent performance and robust protection, making it an ideal choice for engineers and designers.