LTC3260EDE#TRPBF

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The LTC3260EDE#TRPBF is a Multi-Phase, integrated Passive Component (IPC) Step-Down DC-DC Switching Regulator, designed to meet the demands of modern power management applications. The device integrates an efficient multi-phase regulator with a synchronous buck converter, enabling the user to achieve the highest possible efficiency for their applications. The power stage utilizes a boundary conditining topology, allowing for paralleling of its output stages to improve system efficiency. The LTC3260EDE#TRPBF provides a complete system solution, with its integrated digital control, multi-phase buck/Boost operation, and fast transient response, making it suitable for high-performance designs in highly dynamic environments.

The LTC3260EDE#TRPBF features multiple independent regulator outputs and can support a wide input voltage range. It includes a Power Path Management (PPM) controller, which allows for current sharing between the regulators and a wide range of application specific features to facilitate fast, easy integration and to improve reliability. The on-board FETs can operate up to 100A load current in an 80V operating voltage range with no additional external components. Additional features include a PowerSave mode, a PowerControl interface, and dynamic phase-add capability. Additionally, the device provides a range of protection features, such as current limit, thermal shutdown, and overvoltage protection.

In terms of performance, the LTC3260EDE#TRPBF is capable of providing an output voltage range of 0.45V to 1.8V with up to 24A of output current. Efficiency of up to 94% is achievable, while offering a fast transient response and a low output ripple noise. Furthermore, it operates at a very low quiescent current, so it is suitable for space-constrained applications.

The LTC3260EDE#TRPBF is suitable for a range of high-performance power management applications such as distributed or central power architecture for computing, industrial, automotive, and consumer electronics. It is also suitable for applications that require multiple independent power domains, such as in high-frequency radio and analog-to-digital conversion.

In terms of working principle, the LTC3260EDE#TRPBF achieves low on-resistance, high efficiency, and fast transient response when operating in multi-phase buck/boost operation mode. This is achieved by using the integrated passive components to store and release energy. In addition, the integrated digital control loop dynamically changes the phase count and duty cycles of the power stage to uniformly spread out the inductor current peaks and averaging it over the control loop. This, in turn, reduces instantaneous current and reduces the overall power losses. By utilizing the Power Path Management feature, the device is able to enable parallel operation of multiple output sources, allowing for improved output current sharing and improving the overall efficiency of the system.

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