TPS560430YDBVR – TEXAS INSTRUMENTS

The TPS560430YDBVR is a 300mA, 40V input synchronous buck converter from Texas Instruments, packaged in a compact 16-pin QFN (4x4mm) package. Its key feature is its wide input voltage range of 4.5V to 40V, allowing for operation from a variety of sources including automotive and industrial power supplies. This device utilizes internal high-side and low-side MOSFETs, minimizing external component count and simplifying design. The integrated 400kHz switching frequency enables the use of smaller, less expensive inductors and output capacitors compared to lower frequency solutions._x000D_
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The TPS560430 boasts a high efficiency exceeding 90% across its operating range, contributing to reduced power loss and improved thermal performance. Its adjustable output voltage, programmable via an external resistor divider, allows for flexible design configurations. Typical applications include powering low-power embedded systems, sensor nodes, and distributed power architectures in automotive, industrial, and portable applications where a compact, high-efficiency solution is critical. Protection features such as overcurrent, overvoltage, and thermal shutdown enhance system reliability. The device’s precise output voltage regulation minimizes noise and ensures stable operation in sensitive applications.