Texas Instruments

TPS79318YEQR

TPS79318YEQR Description

The TPS79318YEQR is a linear regulator designed by Texas Instruments, featuring a fixed 1.8V output voltage and capable of delivering up to 200mA of output current. This device is part of the Power Management Integrated Circuit (PMIC) category and is housed in a 5DSBGA package, suitable for surface mount applications. Despite being marked as obsolete, the TPS79318YEQR remains a reliable choice for applications requiring a stable and efficient power supply solution.

TPS79318YEQR Features

• Output Type: Fixed at 1.8V, ensuring a stable voltage supply for sensitive electronic components.
• Input Voltage Range: Operates efficiently with a maximum input voltage of 5.5V, providing flexibility in power source selection.
• Output Current: Capable of delivering up to 200mA, making it suitable for low to medium power applications.
• Low Quiescent Current: Features a low quiescent current of 220 µA, which is beneficial for battery-powered devices and applications where power consumption needs to be minimized.
• High PSRR: Offers a high power supply rejection ratio (PSRR) ranging from 70dB at 100Hz to 43dB at 100kHz, effectively filtering out noise and ripple from the input supply.
• Protection Features: Includes over-current protection, over-temperature protection, reverse polarity protection, and under-voltage lockout (UVLO) to safeguard the device and connected components.
• Enable Control: Equipped with an enable feature, allowing for dynamic control of the regulator’s operation, which is useful for power sequencing and power management in complex systems.
• Compliance and Packaging: The TPS79318YEQR is REACH unaffected and RoHS3 compliant, ensuring environmental sustainability. It is packaged in a tape and reel format, facilitating automated assembly processes.

TPS79318YEQR Applications

The TPS79318YEQR is ideal for a variety of applications where a stable and efficient power supply is required. Some specific use cases include:

• Consumer Electronics: Ideal for portable devices such as smartphones, tablets, and wearable technology, where low power consumption and stable voltage are crucial.
• Industrial Equipment: Suitable for low-power industrial sensors and controllers, ensuring reliable operation in harsh environments.
• Medical Devices: Can be used in medical equipment that requires precise voltage regulation and low power consumption, such as portable diagnostic devices.
• Automotive Electronics: Applicable in automotive systems where a stable power supply is necessary for critical components like ECUs and infotainment systems.

Conclusion of TPS79318YEQR

The TPS79318YEQR from Texas Instruments is a robust linear regulator that offers a fixed 1.8V output with a maximum input voltage of 5.5V and a 200mA output current capability. Its low quiescent current, high PSRR, and comprehensive protection features make it a reliable choice for a wide range of applications. Despite being marked as obsolete, the TPS79318YEQR remains a viable option for designers seeking a stable and efficient power supply solution. Its compliance with environmental standards and surface mount packaging further enhance its appeal for modern electronic designs.