LT8619EMSE#PBF

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LT8619EMSE#PBF is a DC-DC switching regulator, which is a type of voltage regulators supporting PMIC solutions. The regulator has a wide adjustable output voltage range and operating current range, making it suitable for protecting various circuits across a diverse range of applications.

As a non-synchronous buck controller, LT8619EMSE#PBF implements a regulated current source instead of the transient current modes to control the output voltage. This Feature brings wide benefits including faster transient response, precise voltage regulation, improved noise immunity, high current mode operation and improved continuous current capability.

The regulator is designed to have a very small footprint, enabling a wide range of portable consumer applications. It can deliver up to 3A of output current with a wide operating range of 0.8V to 5.5V and precise output voltage range. In addition, its programmable frequency enables frequencies ranging from 350KHz to 2.63MHz, while separated soft start and reset outputs with adjustable delay features further facilitate system-level designs.

LT8619EMSE#PBF also features comprehensive protection features, suitable for applications requiring safety. IPPM_MAX and IPOT_MAX protects the output current and voltage within the desired thresholds to prevent overloading and wrong operations. In addition, over-temperature protection and protection on reverse current ensure the regulator is operated normally.

In terms of the working principle of the chip, LT8619EMSE#PBF applies a synchronous rectification process where the switch is always eventually determined by the enable pin. The voltage and current feedback loop inside the chip are responsible for a better transient response, precise regulation and noise immunity.

LT8619EMSE#PBF is normally used for a wide range of applications, including power supplies for industrial systems, home appliances, aviation and automotive products, and so on.

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