The TPS560430YFDBVR is a high-efficiency, synchronous step-down converter from Texas Instruments designed for space-constrained applications requiring minimal power loss. This monolithic device supports an input voltage range of 4.5V to 28V and provides a fixed output voltage of 3.3V with up to 0.6A of continuous output current. Housed in a compact DSBGA-6 package, it integrates a wide array of features to simplify design and enhance performance.

Key Features

This converter operates at a fixed frequency of 1 MHz, allowing for the use of small external components while maintaining efficiency levels up to 95%. It includes internal compensation, reducing the need for external components and simplifying circuit design. The TPS560430YFDBVR also features pulse width modulation (PWM) operation with valley current mode control for fast transient response. Additional features include overcurrent protection (OCP), thermal shutdown, and enable functionality for power sequencing. Its low quiescent current of only 47 μA extends battery life in portable devices.

Applications

Ideal for consumer electronics, industrial automation, and communication systems, the TPS560430YFDBVR efficiently powers microcontrollers, sensors, and peripherals. Its ability to operate from a wide input voltage range makes it suitable for automotive and battery-powered applications. Moreover, its compact size and integrated features make it perfect for space-limited designs such as IoT devices and wearables.

Summary

The TPS560430YFDBVR offers a blend of high efficiency, compact size, and integrated features that make it an excellent choice for DC-DC conversion in space-constrained and low-power applications. Its simplified design and robust feature set ensure reliable operation across a broad range of electronic devices, providing designers with a versatile and efficient solution.