LTC3112IFE#PBF

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Introduction: The LTC3112IFE#PBF is a monolithic synchronous switching regulator with variable frequency control. It is designed to generate a high efficient, low ripple, precisely regulated output voltage. The device switches at a fixed frequency, while the output voltage is controlled by varying the width of the pulses (duty cycle). It can store up to 4A of energy in its internal inductor.

Features: The LTC3112IFE#PBF has a wide range of features that make it suitable for a variety of applications. One of its main advantages is its ability to operate over a wide input voltage range (3.6V - 20V). Its high efficiency mode also allows it to operate at a low output current, allowing for a relatively small total solution size. The maximum output current of 4.25A also makes this device suitable for a wide range of applications.

Applications: The LTC3112IFE#PBF is suitable for a wide range of applications, including modems, routers, phones, and tablets. It can also be deployed in industrial automation, robotics, automotive, medical, and computing applications. The device can also be used to replace linear regulators in a wide range of digital and analog applications.

Package: The LTC3112IFE#PBF is available in 8-lead DFN package and 8-lead MSOP package with power pad on its bottom side. The LTC3112IFE#PBF has an output current of 4.25A and a maximum output voltage of 5.5V.

Working Principle: The LTC3112IFE#PBF is based on a switching regulator architecture. It consists of an internal MOSFET switch, an integrated synchronous rectifier, a high frequency oscillator, and a feedback loop. The feedback loop is used to sense the output voltage and adjust the duty cycle to the MOSFET to keep the output voltage at its regulated value. The synchronous rectifier is used to reduce power loss across the output diode of the MOSFET and to increase efficiency.

The LTC3112IFE#PBF also includes a variety of integrated protection and fault detection features. These features include over-temperature, power-on reset, under-voltage lockout, short-circuit protection, and current limit. These features help ensure the safety and reliability of the device.

Conclusion: The LTC3112IFE#PBF is a monolithic synchronous switching regulator with variable frequency control. It is designed for applications requiring high efficiency, low ripple, and precisely regulated output voltage with a wide range of output currents. It is available in an 8-lead DFN package and an 8-lead MSOP package with power pad on the bottom side. It also has a variety of integrated protection and fault detection features to help ensure the safety and reliability of the device.

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