Texas Instruments

TPS75818KTTT

TPS75818KTTT Description

The TPS75818KTTT is a linear voltage regulator designed by Texas Instruments, offering a fixed output voltage of 1.8V with a maximum input voltage of 5.5V. This regulator is capable of delivering a continuous output current of up to 3A, making it suitable for applications requiring high current delivery. The device features a single regulator with a positive output configuration and is housed in a surface-mount DDPAK/TO263-5 package. Despite its obsolescence status, the TPS75818KTTT remains a reliable choice for power management solutions, with a quiescent current of 200 µA and a power supply rejection ratio (PSRR) of 62dB at 100Hz. It also includes essential protection features such as over current, over temperature, reverse polarity, and under voltage lockout (UVLO).

TPS75818KTTT Features

• Fixed Output Voltage: Provides a stable 1.8V output, ideal for applications requiring a consistent power supply.
• High Current Capability: Delivers up to 3A of output current, suitable for high-power applications.
• Single Regulator: Simplifies design and reduces component count with a single regulator.
• Positive Output Configuration: Ensures compatibility with a wide range of electronic systems.
• Low Quiescent Current: Consumes only 200 µA in quiescent mode, enhancing efficiency in low-power applications.
• High PSRR: Achieves a PSRR of 62dB at 100Hz, minimizing noise and ripple in the output voltage.
• Protection Features: Includes over current, over temperature, reverse polarity, and UVLO protections to safeguard the regulator and connected circuits.
• Surface-Mount Packaging: Utilizes a DDPAK/TO263-5 package, facilitating easy integration into compact designs.
• Compliance: Meets REACH and RoHS3 standards, ensuring environmental and regulatory compliance.

TPS75818KTTT Applications

The TPS75818KTTT is well-suited for a variety of applications where a stable and high-current power supply is required. Its fixed 1.8V output makes it ideal for powering microcontrollers, digital signal processors (DSPs), and other low-voltage digital circuits. The regulator's robust protection features and low quiescent current make it particularly useful in embedded systems, industrial controls, and telecommunications equipment. Additionally, its surface-mount package allows for integration into space-constrained designs without compromising performance.

Conclusion of TPS75818KTTT

The TPS75818KTTT from Texas Instruments is a robust linear voltage regulator that offers a reliable power management solution with its fixed 1.8V output and high current capability. Despite being marked as obsolete, its comprehensive feature set, including essential protections and compliance with environmental standards, makes it a viable option for existing designs. The regulator's low quiescent current and high PSRR ensure efficient and clean power delivery, making it an ideal choice for applications requiring high performance and reliability.