The TPS5420DR, from the renowned electronics manufacturer Texas Instruments, is a highly efficient, step-down (buck) voltage converter belonging to a family of monolithic integrated circuits. This device is designed to provide a cost-effective solution for converting a higher DC input voltage into a lower DC output voltage with a high degree of accuracy and reliability.

Key Features

• Wide Input Range: The TPS5420DR operates over a wide input voltage range from 5.5V to 36V, making it suitable for a variety of applications including industrial, automotive, and telecommunications.
• Adjustable Output Voltage: Users can adjust the output voltage from 1.22V to 32V, allowing for a high degree of flexibility to meet specific design requirements.
• High Efficiency: With its integrated 80-mΩ MOSFET, the TPS5420DR can deliver up to 2A of continuous output current with excellent power efficiency.
• Thermal Shutdown: The device includes a thermal shutdown feature that protects the circuitry from damage due to excessive heat.
• Frequency Adjustment: The switching frequency can be programmed between 200 kHz to 2.5 MHz, allowing designers to optimize the performance for specific applications.

Applications

The TPS5420DR is versatile and can be used in a wide range of applications. Common uses include but are not limited to:

• Power supplies for various electronic devices
• Battery-powered equipment
• Pre-regulator for linear regulators
• Industrial control systems
• Automotive systems
• Portable electronics

Package and Availability

The Texas Instruments TPS5420DR comes in an 8-pin SOIC package, which is suitable for surface mounting on printed circuit boards. The compact size and power density of the TPS5420DR make it an excellent choice for space-constrained applications. It is widely available from various electronic component distributors and can be ordered in different quantities depending on production requirements.