LT1107CN8#PBF

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LT1107CN8#PBF Application Field and Working Principle

The LT1107CN8#PBF is a DC-to-DC switching regulator, a type of power management integrated circuit (PMIC). It is designed to provide efficient and cost-effective dc-to-dc power conversion for a wide variety of applications. The LT1107CN8#PBF can be used in many industrial and automotive applications, where high efficiency, space savings, and quality are all important.

Features

The LT1107CN8#PBF is a highly efficient, low noise DC-DC switching regulator that is capable of delivering up to 5A of output current with an output voltage accuracy of plus or minus 0.5%. The outputs are easily adjustable via external components and feature an input voltage range of 4.5V to 36V for single and dual output versions, making it suitable for a wide range of input and output voltages. It has programmable switching frequency, allowing either a fixed frequency or synchronized frequency operation up to 700kHz. It also features thermal shutdown protection, output short-circuit protection, and soft start.

Application Fields

The LT1107CN8#PBF switching regulator can be used in a variety of industrial applications such as automotive, industrial control, telecommunications, or computer and networking systems. It can also be used in non-industrial applications such as battery-powered devices and consumer electronic systems.

Working Principle

The LT1107CN8#PBF is a synchronous buck regulator with a step-down topology. It uses pulse width modulation (PWM) to control the voltage applied to its output. The PWM controller drives the switch at a frequency that is proportional to the input voltage, delivering steady and reliable output power. A feedback loop compares the output voltage to a reference voltage, and adjusts the pulse width accordingly. This feedback loop ensures that the output voltage is always within specification, regardless of the load or power supply conditions.

The LT1107CN8#PBF is a non-isolated regulator, meaning that it runs off of the same input voltage as the output voltage. This eliminates the need for isolating transformers, which can be costly and bulky components. The LT1107CN8#PBF also has extremely low quiescent current (<100μA) for more efficient operation with lighter loads.

Conclusion

The LT1107CN8#PBF is a DC-to-DC switching regulator, a type of PMIC, that provides excellent efficiency and cost-effectiveness in a compact, non-isolated form factor. Its wide input and output voltage range makes it suitable for a range of industrial and non-industrial applications, while its low quiescent current and adjustable frequencies make it highly efficient and reliable.

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