LTC3129IUD-1#PBF

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The LTC3129IUD-1#PBF is a DC-DC switching regulator from Linear Technology. It is part of the DC-DC switching regulator family of power management integrated circuits (PMIC) and features an output shut-down feature and a wide operating voltage range. The LTC3129IUD-1#PBF is designed for use in robotics and other automated applications, and can save energy, space, and cost by reducing the number of components needed to build a design.

The LTC3129IUD-1#PBF is a fixed frequency 3-phase PWM buck regulator with a 4.5V to 40V input voltage and a 0.8V to 5V output voltage range. It incorporates key features such as 500kHz fixed frequency operation, adjustable soft start, and integrated power switches. This device provides the highest power density and superior efficiency compared to conventional voltage regulators or linear regulators.

Application Field of LTC3129IUD-1#PBF

The LTC3129IUD-1#PBF is especially suited for high-power, high-efficiency applications such as microprocessors, automation controllers, routers and communication equipment. Additionally, it is often used in battery powered systems requiring maximum energy efficiency, such as medical and portable handheld devices.

Working Principle of LTC3129IUD-1#PBF

The LTC3129IUD-1#PBF employs a fixed frequency 3-phase PWM buck regulator topology. The voltage from the input is regulated using two power switches, an inductor and two capacitors as the main elements. During one phase of operation, the input voltage is fed to an inductor and the current is increased linearly. This stored energy is then released and clamped by the two power switches, switching alternately. The output voltage is then regulated using a feedback loop. The two power switches and the inductor are the main components used in the switching regulator.

The LTC3129IUD-1#PBF also incorporates a number of important features, such as over-voltage protection, under-voltage protection and over-temperature protection. Additionally, it has an adjustable soft-start feature which provides for a controlled start-up ramp. This reduces stress on the components, as well as reduces the input current surge when the voltage regulator is activated. It also features a low-ripple modulated output and a low-dropout mode which maximizes efficiency.

The LTC3129IUD-1#PBF is a switching regulator with a wide input voltage range and superior power density, making it ideal for high power applications. It incorporates a number of useful features such as adjustable soft-start, over-voltage protection, under-voltage protection and over-temperature protection. These features make the LTC3129IUD-1#PBF a cost effective and very reliable solution for high quality power management requirements.

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