LT1765EFE-2.5#PBF

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LT1765EFE-2.5#PBF is a highly integrated DC/DC switching regulator designed to provide a wide range of output voltages and currents with a minimum of external components. It has an input voltage range of 1.65 to 18V and a maximum output current of 2.5A.

The LT1765EFE is a synchronous DC/DC converter with fixed frequency PWM control and adaptive Maximum Power Point Tracking (MPPT). It utilizes a unique control architecture to provide high-frequency converters with fast transient response. The device also includes built-in power saving features and a simple, compact package to support a wide range of applications.

Application Field

The LT1765EFE can be used in many industrial and consumer applications such as high-efficiency, high-density power supplies, remote power supply for communications, portable electronics, and many other applications. It is suitable for driving high-current loads such as motors, IGBTs, and gates. Its tight regulation combined with MPPT control make it an ideal solution for applications where maximizing efficiency is critical.

Working Principle

The LT1765EFE is a synchronous, fixed-frequency DC/DC converter with adaptive Maximum Power Point Tracking (MPPT) control. The device utilizes a unique control architecture to provide high-frequency converters with fast transient response and improved detection accuracy. The device consists of an internal oscillator and a PWM comparator that determine the switching frequency, voltage and current limits and automatically adjust to maximum power point.

The LT1765EFE has an input voltage range of 1.65V to 18V and a maximum output current of 2.5A. The internal PMOS switches and the inductor work together to generate the output voltage. The internal current sense element monitors the output current and its corresponding voltage waveform for accurate regulation. When the power supply is operating at the maximum power point, the device will switch automatically to the low-side switch of the output voltage. The on-board resistance and compensation circuits ensure an accurate output voltage under varying load conditions.

The device also features built-in power saving features such as soft start, power good signal and power save mode. The power save mode reduces the current consumption in low load conditions. This helps to ensure maximum efficiency and long battery life in battery-powered applications.

The LT1765EFE is designed to be highly reliable and is certified as compliant to various safety standards. It is RoHS compliant, UL listed and meets the IEC 60950 standard. The device is also designed to operate in a wide temperature range, making it suitable for outdoor and remote applications.

In summary, the LT1765EFE is an elegant solution for a variety of industrial and consumer applications. It is a highly integrated DC/DC regulator with a wide input voltage range, high output current and high-efficiency MPPT control. It offers excellent performance and reliability, as well as easy integration into existing systems.

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