LTC3872IDDB-1#TRMPBF

The LTC3872IDDB-1#TRMPBF is a dual-phase interleaved step-down DC/DC converter controller used to regulate an output voltage. It was designed for high load current and high efficiency applications, such as motherboard power for computing, data storage, telecom, wireless infrastructure and networking systems. This high-performance switching regulator can manage two independent outputs from a single controller, allowing for maximum design flexibility.The LTC3872IDDB-1#TRMPBF has an input voltage range of 4.2V to 42V, making it ideal for applications that require high input voltages, such as those that use an unregulated AC/DC adapter. It can regulate two output voltages from 0.8V to 4.2V, each with an independently set current limit, as well as providing a power good signal that warns the system when one of the outputs is out of range. The LTC3872IDDB-1#TRMPBF also features overvoltage protection, as well as thermal protection to ensure that the system operates at safe levels.The LTC3872IDDB-1#TRMPBF uses a constant off-time PWM control scheme, which is a common method of controlling a step-down DC/DC converter. The controller regulates the output voltage by switching the power MOSFETs at a fixed frequency and with a fixed off time, or pulse width. The output voltage is regulated by increasing or decreasing the duty cycle, which is the switching ratio of the MOSFETs. This allows for efficient operation even at light loads, making it ideal for applications where current fluctuates.The LTC3872IDDB-1#TRMPBF is a versatile and high-performance DC/DC converter controller that can be used in a variety of applications. Its features, such as overvoltage protection and thermal protection, make it suitable for use in systems that require power stability. Its dual-phase interleaved design and constant off-time PWM control make it an ideal choice for high load current and high efficiency applications.