LT8708IUHG#PBF

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LT8708IUHG#PBF Application Field and Working Principle

LT8708IUHG#PBF is an integrated synchronous buck switch controller which fallsinto the category of PMIC – Voltage Regulators – DC DC Switching Controllers. This integrated controllerallows for the easy and efficient design of synchronous buck switch converters for a broad range ofapplications. It has the complete set of features necessary to implement a stable power supply withvery good regulation and very little external components. It is designed for use in isolated and non-isolated applications. It is available in a 28-pin TSSOP package.

Applications

LT8708IUHG#PBF applies to many different applications. It can be used in output voltage applicationsranging from 0.8V to 5.5V. It is mostly used in applications such as non-isolated DC to DC converters,isolated DC to DC converters, power supplies, point-of-load (POL) converters, computer systems,telecommunications, and test and measure applications. It can also be used in applications likeservers, storage, VoIP and gaming systems, and mobile devices.

Working Principle

LT8708IUHG#PBF is a full-featured, monolithic switching controller. The controller operates in aoscillating PWM mode to maintain the output voltage regulation. The PWM mode and frequencyare adjustable to optimize the solution for a variety of different applications. The switchingfrequency is an adjustable feature, adjustable from 500kHz to 1.2MHz to optimize performanceand cost. The controller has a complete set of features that include voltage monitoring and lineunder-voltage protection. It also features protection features such as over voltage, overtemperature, and current limit protection.

The LT8708IUHG#PBF controller also contains a low EMI mode that helps reduce the EMIgenerated by switching regulators. This allows for a variety of extremely efficient and low noiseregulators to be implemented. The controller also includes an adjustable soft start to minimize theinrush current during start-up. This allows the controller to be used in low voltage applicationsthat require a low startup current.

The LT8708IUHG#PBF also allows for the implementation of multi-phase applications. It supportsup to 32-phase configurations. This allows for flexible and power-efficient solutions to be developedfor high power applications. With its low EMI mode and high efficiency, the LT8708IUHG#PBFprovides a cost-effective and power-efficient solution for a variety of applications.

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