LT3507HUHF#PBF

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LT3507HUHF#PBF Application Field and Working Principle

LT3507HUHF#PBF is a high frequency synchronous buck regulator controller which is specially designed for rack mount server power supplies applications. This voltage regulator fits in a wide range of power supplies in order to help rack mount server power supplies applications manage multi-rail power converters. This product falls within the PMIC – Voltage Regulators – Linear + Switching category.

The LT3507HUHF#PBF controller enables power supplies with tighter regulation, with greater efficiency and temporal accuracy due to the synchronization with an external clock. It features internal fast transient-response loops and a wide input voltage range. With numerous features such as pulse-by-pulse current limit, frequency synchronization, and power-good indicator, this controller increases power conversion efficiency, save system cost, reduce noise generation, and makes possible advanced sequencing and protection.

The LT3507HUHF#PBF works on the principle of “buck” converter that is a type of switching power supply. This power regulator is capable of converting a higher input voltage to lower output voltage. In the case of Buck Converters, the output voltage is lower than the input voltage. The output voltage can be controlled by changing the duty cycle of the pulse width modulation (PWM) signals.

The LT3507HUHF#PBF supports an input voltage range from 8.5V to 80V, a switching frequency from 200 kHz to 2 MHz, and an output voltage from 0.6V to 90V. The controller helps achieve very low ripple on the output and fast transient response for a wide output load current. It also contains numerous protection features to protect both the power supply and other components connected to the system.

The LT3507HUHF#PBF has several distinct advantages such as ultra-low noise, extremely fast transient response, excellent line and load regulation, full circuitry self-test and diagnostics, accurate output voltage tracking, internal soft-start, line under-voltage lockout, reduced output noise, and remote sensing features.

The LT3507HUHF#PBF is found in many leading current products such as laptop and notebook PCs, power servers and RAID servers, data centers, datacom systems, industrial and telecommunications equipment, and any other electronic equipment where a high-accuracy voltage source is required.

The LT3507HUHF#PBF is a robust and reliable controller and is the ideal choice for design engineers who want to leverage the benefits of a high frequency synchronous buck converter without the complexity of designing, testing and verifying complex firmware. With all the features included in this power regulator, it is easy to see why it is one of the most popular voltage regulators today.

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