LTC3872ITS8#TRPBF

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The LTC3872ITS8#TRPBF is a high-efficiency single-inductor dual-output (SIDO) synchronous step-downμModule® regulator with fixed operating frequency. This product is designed to minimize the time, effort, andcost of designing complex dual-output power supplies, by providing a solution that requires only a few externalcomponents and requires no loop-compensation tuning. It supplies up to 6A of continuous output current andfeatures a wide output voltage range of 0.6V to 4.5V. The LTC3872ITS8#TRPBF is a versatile device and canoperate in continuous and discontinuous current modes on both of its outputs, allowing designers to use thissingle-package solution to deliver power from a variety of sources.

The LTC3872ITS8#TRPBF is part of Linear Technology’s family of DC-DC switching controllers, an integratedpower stage incorporating a switching FET and DC-DC converter controller. This family of devices provides ahighly integrated, low-noise, high-efficiency platform for a wide range of power-supply systems, particularlythose applications requiring high levels of integration. This device is optimized for power managementarchitectures that employ an external inductor and switching FET, and is capable of delivering up to 6A ofload current. It is available in a wide range of package sizes, providing a flexible solution.

The LTC3872ITS8#TRPBF is well suited for applications in consumer and industrial electronics, includingtelecommunications infrastructure, WLAN access points, industrial control systems, embedded systems, andother high-performance embedded applications. It is designed to deliver low noise, high efficiency, andstability at minimal cost.

The LTC3872ITS8#TRPBF is an easy-to-use controller with several features that simplify power supply design.It includes a power switch as part of the integrated architecture, allowing for a wide range of inductorsizes to be used. This LTC3872ITS8#TRPBF incorporates a high-efficiency synchronous rectification schemeand a wide dynamic range of input voltage (VIN) from 2.3V to 6V. An adjustable internal compensation networkand flexible configuration of the Soft-Start, PWM/PSM, and Burst Mode® Lite synchronization options, makeit easy to configure for a variety of applications.

The LTC3872ITS8#TRPBF\'s switching frequency is factory-programmed, but adjustable by a resistor, toprovide designers with flexibility when it comes to complying with noise-sensitive applications. Its integratedinternal current-sense differential amplifier provides 0.04% accuracy, while its slew-rate-limited slew ratecontrol allows for a low-noise operation.

The LTC3872ITS8#TRPBF also includes several other features that optimize its design for power delivery. Itincludes integrated temperature sensors and soft-start, enabling operating temperature and inrush currentmanagement. Its Burst Mode Lite operation provides improved efficiency at light loads, which is especiallyuseful in battery-powered systems. It also features short-circuit protection, overvoltage protection, powergood and reset outputs, and a wide switching frequency range, making it ideal for high-performance powersupplies.

The LTC3872ITS8#TRPBF is a versatile choice for high-efficiency, high-integration power supply applications.It offers an excellent balance of features, integration, efficiency, and stability, making it well-suited tochallenging power management designs. The LTC3872ITS8#TRPBF provides designers with a low-cost,high-efficiency solution for a variety of power supply applications.

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