LT8630IFE#PBF

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The LT8630IFE#PBF is a monolithic DC/DC switching regulator. Developed by Linear Technology, it operates over a wide input voltage range of 4.75V to 42V with an output voltage range of 0.8V to 22V, which can be set using an external resistor divider. The device features a fixed frequency, current mode control architecture and delivers up to 2A of output current from a low profile 10-Lead DFN package.

The device is a high efficiency, step-down monolithic buck regulator capable of supplying up to 2A of continuous output current. It operates over a wide input voltage range of 4.75V to 42V with an output voltage range of 0.8V to 22V, which can be set using an external resistor divider. The LT8630IFE#PBF is equipped with a wide variety of features for easy implementation and design flexibility including adjustable switching frequency, an adjustable soft-start, integrated internal compensation, and built-in over-temperature, over-voltage and over-current protection.

The LT8630IFE#PBF can be used in a variety of applications that require a low output voltage and/or high efficiency. It is designed for powering high current loads such as ASICs, FPGAs, microprocessors and DSPs. It is also suitable for point-of-load (POL) applications requiring a precise output voltage and high efficiency. The device can be operated in pulse skipping, discontinuous conduction, and forced continuous modes to provide a high efficiency solution over a broad range of load currents.

The LT8630IFE#PBF features an integrated synchronous rectifier, allowing for high efficiency operation without the need for an external synchronous rectifier. It also features a low quiescent current of just 50µA with no switching. This allows for improved standby current over a wide range of input and output voltages.

The device has an adjustable switching frequency from 200kHz to 2.2MHz. This allows the user to optimize efficiency and noise for the application. The LT8630IFE#PBF also has an adjustable soft-start pin that allows for controlled turn-on times. This can reduce start-up current surges typically associated with buck converters, allowing an output to start up cleanly and efficiently.

The LT8630IFE#PBF also has an integrated internal compensation network, allowing the user to easily optimize the transient performance of the converter. This is done by minimizing the load transient response to a step-change load while maintaining loop stability. The device also has a synchronizable PWM pin that allows the switching frequency to be synchronized to the ambient temperature, light levels, or external sources such as clocks.

Overall, the LT8630IFE#PBF is a high efficiency, step-down monolithic buck regulator that is suited for a variety of applications requiring a low output voltage and/or high efficiency. Its features include an adjustable switching frequency, an adjustable soft-start, integrated internal compensation, and built-in over-temperature, over-voltage and over-current protection. It is also equipped with an integrated synchronous rectifier for high efficiency operation without the need for an external synchronous rectifier and a low quiescent current of just 50µA with no switching.

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