Texas Instruments

TPS77450DGK

TPS77450DGK Description

The TPS77450DGK is a high-performance linear regulator designed by Texas Instruments, a leading manufacturer in the power management integrated circuit (PMIC) industry. This regulator is specifically engineered to provide a fixed 5V output voltage with a maximum input voltage of 10V and a maximum output current of 250mA. The TPS77450DGK is housed in an 8VSSOP package, making it suitable for surface-mount applications. It features a low dropout voltage of 0.19V at 250mA, ensuring efficient power delivery even under high load conditions.

TPS77450DGK Features

• Output Type: Fixed 5V output voltage, providing stable power supply for various applications.
• Input Voltage Range: Capable of handling up to 10V input, offering flexibility in power source selection.
• Output Current: Delivers up to 250mA, suitable for low to medium power applications.
• Low Dropout Voltage: 0.19V at 250mA, ensuring high efficiency and minimal power loss.
• Quiescent Current: Low quiescent current of 125 µA, optimizing power consumption in standby mode.
• Power Supply Rejection Ratio (PSRR): 55dB at 1kHz, providing excellent noise suppression and output stability.
• Control Features: Includes enable and power good signals for precise control and monitoring.
• Protection Features: Over current, over temperature, and reverse polarity protection ensure robust and reliable operation.
• Compliance: ROHS3 compliant and REACH unaffected, ensuring environmental and regulatory standards are met.
• Moisture Sensitivity Level (MSL): MSL 1 (Unlimited), making it suitable for a wide range of manufacturing environments.

TPS77450DGK Applications

The TPS77450DGK is ideal for a variety of applications where a stable and efficient power supply is required. Its low dropout voltage and high PSRR make it particularly suitable for applications sensitive to noise and power efficiency. Key applications include:

• Consumer Electronics: Powering devices such as smartphones, tablets, and portable gaming consoles.
• Industrial Equipment: Providing stable power for sensors, controllers, and other industrial devices.
• Telecommunications: Ensuring reliable power supply for base stations, routers, and other networking equipment.
• Automotive Electronics: Suitable for in-vehicle infotainment systems, electronic control units, and other automotive applications.
• Medical Devices: Powering medical equipment where low noise and high reliability are critical.

Conclusion of TPS77450DGK

The TPS77450DGK from Texas Instruments is a versatile and efficient linear regulator designed to meet the demands of modern electronic systems. Its low dropout voltage, high PSRR, and comprehensive protection features make it a reliable choice for a wide range of applications. The enable and power good control signals provide additional flexibility, allowing for precise control and monitoring of the power supply. With its ROHS3 compliance and REACH unaffected status, the TPS77450DGK also meets stringent environmental and regulatory standards. Whether used in consumer electronics, industrial equipment, or medical devices, the TPS77450DGK offers a robust and efficient power management solution.