LM5161QPWPTQ1 – TEXAS INSTRUMENTS

The Texas Instruments LM5161QPWPTQ1 is a 4A, synchronous step-down converter housed in a compact 20-pin QFN (PW) package. It operates from a wide input voltage range of 4.5V to 18V, making it suitable for a variety of applications requiring regulated lower voltages. The device features a switching frequency of 600kHz, allowing for the use of smaller, more cost-effective external components. Its internal 200mΩ high-side and 100mΩ low-side MOSFETs contribute to high efficiency, typically exceeding 90% at moderate load currents. _x000D_
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The LM5161QPWPTQ1 incorporates features such as programmable switching frequency, enabling optimization for noise reduction or component selection, and a selectable output voltage range adjustable via an external resistor divider. Protection mechanisms include overcurrent, overtemperature, and short-circuit protection, enhancing system reliability. Common use cases include powering microprocessors, digital signal processors, and other power-sensitive loads in space-constrained applications requiring high efficiency and robust protection. The device’s integrated features and small form factor significantly simplify design complexity and reduce board space compared to discrete solutions.