Texas Instruments

TPS71256DRCRG4  

Linear & Switching Voltage Regulators

TPS71256DRCRG4 Description

The TPS71256DRCRG4 is a dual linear voltage regulator designed by Texas Instruments, offering a fixed output voltage of 2.8V and capable of delivering up to 250mA of output current per regulator. This device is designed for surface mount applications and is housed in a 10-lead VSON package. Despite its small form factor, the TPS71256DRCRG4 provides robust performance with a maximum input voltage of 5.5V and a dropout voltage of 0.4V at 500mA. The device features a quiescent current of 250 µA, ensuring efficient power consumption even under low-load conditions. It also includes essential protection features such as over-temperature protection, reverse polarity protection, and under-voltage lockout (UVLO) to safeguard the device and connected circuits.

TPS71256DRCRG4 Features

• Fixed Output Voltage: The TPS71256DRCRG4 provides a stable 2.8V output voltage, ideal for applications requiring a consistent power supply.
• Dual Regulators: With two independent regulators, this IC can power multiple circuits or provide redundancy for critical applications.
• Low Dropout Voltage: A maximum dropout voltage of 0.4V at 500mA ensures efficient power conversion, even at low input-to-output voltage differentials.
• Low Quiescent Current: The 250 µA quiescent current minimizes power consumption in standby or low-load conditions, making it suitable for battery-powered devices.
• Protection Features: Over-temperature, reverse polarity, and under-voltage lockout protections enhance the reliability and safety of the device.
• Control Features: The enable and power good features provide additional control and monitoring capabilities, allowing for precise power management.
• Compliance: The TPS71256DRCRG4 is REACH unaffected and ROHS3 compliant, ensuring it meets environmental and safety standards.
• Moisture Sensitivity Level: With an MSL rating of 2 (1 year), the device is suitable for a wide range of manufacturing environments.

TPS71256DRCRG4 Applications

The TPS71256DRCRG4 is well-suited for a variety of applications where a reliable, efficient power supply is required. Its dual regulators make it ideal for powering multiple components or providing redundant power paths. The low dropout voltage and low quiescent current make it particularly suitable for portable devices and battery-powered applications, such as:

• Consumer Electronics: Smartphones, tablets, and other portable devices that require efficient power management.
• Industrial Equipment: Sensors, controllers, and other devices that need a stable power supply in harsh environments.
• Medical Devices: Portable medical equipment that requires low power consumption and high reliability.
• Telecommunications: Base stations, routers, and other networking equipment that benefit from dual power regulation and protection features.

Conclusion of TPS71256DRCRG4

The TPS71256DRCRG4 from Texas Instruments is a versatile dual linear voltage regulator that offers a balance of performance, efficiency, and reliability. Its fixed 2.8V output, low voltage dropout, and low quiescent current make it an excellent choice for applications requiring stable power with minimal power loss. The inclusion of advanced protection features ensures the device can operate safely in various conditions. While the product is now obsolete, its technical specifications and performance benefits make it a valuable component for existing designs and legacy systems. For new designs, engineers may consider exploring alternative models from Texas Instruments that build upon the foundation set by the TPS71256DRCRG4.

TPS71256DRCRG4 Documents

Download datasheets and manufacturer documentation for TPS71256DRCRG4