LTC7851IUHH-1#PBF

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The LTC7851IUHH-1#PBF is a part of the DC DC switching controllers range of voltage regulators. It is a synchronous buck converter controller with ultra-fast transient response, high-efficiency operation over a wide current range, and an adjustable output voltage up to 11V. It features low external component requirements, as well as programmable hysteresis, weak pull-down, soft-start, and SMPS reset. The device is also equipped with programmable over-voltage and under-voltage lockout options, as well as temperature sensing, making it the ideal choice for a variety of applications.

The LTC7851IUHH-1#PBF is based on a fixed frequency topology, making it well-suited for applications that require precise external component selection and stable output operation. The device utilizes a high-side N-channel MOSFET as the main power switch and a low-side P-channel MOSFET for reverse current protection, allowing it to operate at peak efficiency over a wide range of currents. The output voltage is programmed with a single external resistor, which allows for very fast transient response and a low component count solution.

The LTC7851IUHH-1#PBF is an ideal choice for a variety of applications such as Point-Of-Load (POL) voltage regulation, DC/DC converters, and in power supplies used in industrial and consumer applications. The device offers a wide range of features to accommodate different application requirements, such as programmable hysteresis and soft-start settings, as well as current, voltage, and temperature protections. The device’s wide input voltage range makes it suitable for a variety of input voltage sources, allowing for robust and reliable operation.

In addition, the LTC7851IUHH-1#PBF is also equipped with an accurate current and voltage monitor, as well as an adjustable over-voltage and under-voltage lockout option. The device also includes a SMPS reset function and a programmable weak pull-down feature to reduce total power consumption in standby or shutdown mode. The integrated voltage-accuracy trim mode allows for precise output voltage tuning during manufacturing or field programming.

The LTC7851IUHH-1#PBF is a highly versatile part that provides outstanding efficiency and a wide range of features for all kinds of applications. It features a wide input voltage range and a programmable output voltage up to 11V, making it suitable for a range of applications, such as DC/DC converters and Point-Of-Load voltage regulation. The device also features a high-performance topology, excellent transient response, and a low component count solution, making it an ideal choice for high-efficiency designs.

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