LM3481QMMX/NOPB

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LM3481QMMX/NOPB is a high performance, synchronous, single channel, DC-DC switching controller. It features low quiescent current and low voltage operation, making it suitable for many applications, including low noise low power systems, server and storage systems, and advanced small form factor mobile devices.

LM3481QMMX/NOPB\'s application field covers wireless power delivery systems, power supplies, voltage regulators and boost converters. It is also used in automotive, computer and consumer electronics, digital signage, and industrial power products.

LM3481QMMX/NOPB\'s working principle is focused on regulating input voltage and output current. By using PWM and Pulse Frequency Modulation (PFM) operation, the device maintains a stable output voltage and current. In PWM mode, the output voltage is constant, regardless of load changes. This, combined with its low quiescent current, makes it ideal for powering Bluetooth and Wi-Fi radio modules, which require fixed point regulation. In PFM mode, the output voltage is adjustable depending on load, allowing the controller to supply different power levels.

LM3481QMMX/NOPB is also protected against short circuits, input overvoltages, and thermal overloading. It also features voltage feedback synchronization, which helps minimize EMI. It also has a built-in power source for gate drive, eliminating the need for an external power supply.

Overall, LM3481QMMX/NOPB is an ideal solution for applications that require a high precision voltage regulator. With its low quiescent current, PWM/PFM mode of operation, and adjustable output voltage, it can provide a reliable and cost-effective solution for a wide range of DC-DC switching controller applications.

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