TPS54312PWPR Integrated Circuits (ICs)

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The TPS54312PWPR is a PowerWise step-down converter designed for PMIC (Power Management Integrated Circuits) applications. It is a DC/DC switching regulator with a wide input voltage range of 4.5V to 14V and an adjustable output voltage of 0.3V to 1.2V. It is suitable for high current and power conditioning applications, and can deliver up to 15A in a compact 8-pin PowerWise package.

The TPS54312PWPR has a synchronous buck architecture that combines high efficiency and fast transient response. It is optimized for high power operation, allowing it to deliver a maximum output current of 15A while remaining at a junction temperature of 90°C. The device features a wide input voltage range of 4.5V to 14V, making it suitable for a broad range of applications.

The TPS54312PWPR utilizes a unique current mode architecture that ensures fast load and line transient response. The device includes a soft start circuit that reduces the magnitude of output in-rush current, while allowing the regulator to start up in less time. The device features thermal protection and fault reporting to protect it from thermal stress brought on by excessive current or power dissipation. The device is designed to operate over the industrial temperature range of -40°C to 85°C.

The TPS54312PWPR can operate in three distinct modes for added flexibility. In pulse width modulation (PWM) mode, the power supply has efficiency up to 96%, making it ideal for high power converter applications. In burst-mode operation (BM), the device operates in a high-efficiency power-saving mode, allowing for improved power savings. In Pulse Frequency Modulation (PFM) mode, the device can dynamically switch between PWM and BM modes to maintain strict load regulation requirements.

The TPS54312PWPR includes an internal spread spectrum frequency modulation feature that helps reduce system noise. The device is designed to simplify EMI filtering, minimizing the need for external components and decreasing the overall system cost. The device is available in a compact 8-pin PowerWise package, allowing for easy implementation in tight spaces.

The TPS54312PWPR is suitable for a broad range of PMIC applications, including communications equipment, portable battery-powered equipment, cellular and data storage systems, and computer peripherals and storage devices. It can be utilized for a variety of high-power, high-current applications, such as LED lighting, power conditioning, point-of-load power conditioning, and distributed power systems.

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