Texas Instruments

TPS77315DGK

TPS77315DGK Description

The TPS77315DGK is a high-performance linear voltage regulator designed by Texas Instruments, offering a fixed output voltage of 1.5V and capable of delivering up to 250mA of output current. This regulator is designed for surface-mount applications and comes in an 8-VSSOP package, making it suitable for compact and space-constrained designs. The TPS77315DGK features a maximum input voltage of 10V, ensuring compatibility with a wide range of power sources. With a quiescent current of only 125 µA, it is highly efficient, making it ideal for battery-powered and low-power applications.

TPS77315DGK Features

• Fixed Output Voltage: The TPS77315DGK provides a stable 1.5V output voltage, ensuring consistent performance in various applications.
• High Input Voltage Range: With a maximum input voltage of 10V, this regulator can handle a wide range of input voltages, making it versatile for different power supply scenarios.
• Low Quiescent Current: The 125 µA quiescent current ensures minimal power consumption, making it suitable for low-power and battery-operated devices.
• High PSRR: The 55dB Power Supply Rejection Ratio at 1kHz helps in filtering out noise from the input power supply, ensuring a clean output voltage.
• Control and Protection Features: The regulator includes enable and reset control features, providing flexibility in system design. Additionally, it offers over-current, over-temperature, and reverse polarity protection, ensuring robustness and reliability.
• Compliance and Packaging: The TPS77315DGK is REACH unaffected and RoHS3 compliant, meeting environmental and regulatory standards. It is available in a tube package, facilitating easy handling and assembly.

TPS77315DGK Applications

The TPS77315DGK is ideal for a variety of applications due to its high efficiency, low quiescent current, and robust protection features. Some specific use cases include:

• Battery-Powered Devices: The low quiescent current and high efficiency make it suitable for portable and battery-operated devices, such as handheld electronics and IoT sensors.
• Low-Power Systems: Its ability to deliver 250mA of output current while maintaining low power consumption makes it ideal for low-power systems, including microcontrollers and embedded systems.
• Noise-Sensitive Applications: The high PSRR ensures minimal noise in the output voltage, making it suitable for applications requiring clean power, such as analog circuits and precision instruments.
• Industrial and Automotive Applications: The over-current, over-temperature, and reverse polarity protection features make it robust enough for industrial and automotive environments.

Conclusion of TPS77315DGK

The TPS77315DGK from Texas Instruments is a versatile and high-performance linear voltage regulator that offers a combination of efficiency, stability, and robust protection features. Its fixed 1.5V output voltage and ability to handle up to 250mA of output current make it suitable for a wide range of applications, from low-power portable devices to noise-sensitive industrial systems. The inclusion of enable and reset control features, along with comprehensive protection mechanisms, ensures reliable operation in various operating conditions. With its low quiescent current and high PSRR, the TPS77315DGK stands out as a reliable choice for designers looking to optimize power consumption and performance in their systems.