LTC3878IGN#TRPBF

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The LTC3878IGN#TRPBF is a high-performance current-mode synchronous buck controller with up to a 95% peak efficiency with high switching frequencies up to 950kHz. This device employs both peak current and voltage-mode control to provide fast transient response and maintain excellent DC line Regulation, as well as excellent cross regulation over a wide input voltage range. The LTC3878IGN#TRPBF is an ideal solution for portable and remote applications which demand high efficiency and small form factor.

The LTC3878IGN#TRPBF is an exceptionally powerful DC/DC controller that is capable of delivering up to 28A of continuous output current from a wide input voltage range of 3.3V to 14V. It has a minimum operating temperature of -40°C and a maximum of +85°C, making it suitable for a variety of applications such as automotive and industrial systems. Additionally, the LTC3878IGN#TRPBF has multiple output power-on sequencing capability, as well as fault protection features such as Over-temperature protection and over-current protection.

The working principle of the LTC3878IGN#TRPBF is relatively simple. It works through the control of a high-side and a low-side MOSFET. When the input voltage is applied, the voltage of the low-side MOSFET is increased while the voltage of the high-side MOSFET is kept constant. The output voltage is regulated by the difference between the two voltages. The controller then drives the low-side MOSFET to maintain the output voltage constant at the desired voltage by responding to the voltage feedback signal. The energy is transferred between the inputs and outputs as the MOSFETs turn on and off.

Application Fields

The LTC3878IGN#TRPBF is suitable for a number of applications, including automotive and industrial systems, communication systems, notebook computers, portable and remote applications, power management systems, battery charger systems, and automotive entertainment systems. Additionally, it can be used in high power applications where high conversion efficiency is a priority.

The LTC3878IGN#TRPBF is particularly well suited for automotive, industrial and telecom applications that require high-power DC/DC conversion with high efficiency, excellent output regulation and low ripple and noise. In addition, its wide input voltage range and high current rating make it suitable for high-power applications such as LED lighting systems, automotive battery chargers, server hot-swap applications and medical imaging systems.

The LTC3878IGN#TRPBF also makes an excellent choice for applications requiring a cost-effective, high efficiency, high power DC/DC converter. This device offers a total solution that includes a high-side current sense, voltage- mode control and integrated low-side MOSFET drive circuit.

Overall, the LTC3878IGN#TRPBF is a very capable and flexible DC/DC controller that can be used for a wide variety of applications. It offers low cost, high efficiency and excellent load regulation, making it an ideal choice for high-power applications that require accurate output voltage and current control.

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