Texas Instruments

TPS78618KTTT

TPS78618KTTT Description

The TPS78618KTTT is a linear regulator designed for applications requiring a stable and efficient power supply. Manufactured by Texas Instruments, this device is part of the Power Management Integrated Circuit (PMIC) category and offers a fixed output voltage of 1.8V with a maximum output current of 1.5A. It is designed to operate with an input voltage range up to 5.5V, making it suitable for a variety of electronic systems.

This regulator features a single positive output configuration, ensuring a straightforward and reliable power supply solution. Despite being marked as obsolete, the TPS78618KTTT remains a robust choice for applications where its specific voltage and current requirements are needed. It is compliant with REACH and ROHS3 standards, ensuring environmental and safety standards are met.

TPS78618KTTT Features

• Fixed Output Voltage: The TPS78618KTTT provides a fixed output voltage of 1.8V, ensuring consistent power delivery to sensitive electronic components.
• High Output Current: With a maximum output current of 1.5A, this regulator can support a wide range of applications requiring moderate to high current levels.
• Low Quiescent Current: The device features a low quiescent current of 385 µA, which is beneficial for battery-powered applications where power consumption needs to be minimized.
• High PSRR: The Power Supply Rejection Ratio (PSRR) ranges from 59dB at 100Hz to 32dB at 100kHz, ensuring that the regulator can effectively filter out noise from the input power supply, resulting in cleaner output voltage.
• Protection Features: The TPS78618KTTT includes over-current protection, over-temperature protection, reverse polarity protection, and under-voltage lockout (UVLO), safeguarding the device and connected components from various fault conditions.
• Enable Control Feature: The regulator includes an enable control feature, allowing users to turn the regulator on or off as needed, which can be useful for power management in complex systems.
• Surface Mount Package: The device is available in a surface mount package, making it suitable for automated assembly processes and compact designs.

TPS78618KTTT Applications

The TPS78618KTTT is ideal for applications that require a stable and efficient power supply with a fixed output voltage. Some specific use cases include:

• Embedded Systems: Providing a stable power supply for microcontrollers, sensors, and other embedded components.
• Communication Equipment: Ensuring reliable power delivery to communication modules and interfaces.
• Consumer Electronics: Suitable for portable devices, where low quiescent current and high PSRR are critical for battery life and performance.
• Industrial Control Systems: Offering a robust power solution for industrial applications where reliability and protection features are essential.

Conclusion of TPS78618KTTT

The TPS78618KTTT from Texas Instruments is a versatile linear regulator designed for applications requiring a stable 1.8V output voltage and up to 1.5A of current. Its low quiescent current, high PSRR, and comprehensive protection features make it a reliable choice for a variety of electronic systems. Despite being marked as obsolete, the TPS78618KTTT remains a valuable component for specific applications where its unique features and performance benefits are required.