S-8358B35MC-NQUT2U

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The S-8358B35MC-NQUT2U is a DC-DC switching controller designed for medium to high power applications. It is a LM46xx-compliant DC-DC controller with an integrated low-voltage convergence technology, enabling high-efficiency, low-power operation at wide input voltages. It utilizes a full-bridge MOSFET, enabling it to accurately regulate the output voltage with minimal input ripple for improved system operational stability.

The DC-DC switching controller is based on a fixed oscillator frequency of 350kHz to 1.3MHz and integrates a first-level synchronous rectifier (FSR) to reduce current losses and improve efficiency. It features integrated over-voltage, over-current, and overtemperature protection, as well as conventional PWM control.

The S-8358B35MC-NQUT2U has excellent compatibility with various power module series, and provides the highest efficiency of up to 93 percent, making it the ideal choice for powering applications in the notebook and telecom power supplies.

Typical applications of the S-8358B35MC-NQUT2U include high-efficiency power supplies, telecom and notebook power supplies, server power supplies, distributed power systems, and any other application requiring a low-power and high-efficiency DC-DC switching controller.

The S-8358B35MC-NQUT2U\'s working principle is based on the basic voltage regulator circuit. Its core consists of an error amplifier, a voltage reference, and a pass element. The error amplifier amplifies the difference between the reference voltage and the output voltage of the controlled circuit. This output signal is then used to control the pass element, which is responsible for adjusting the current or voltage to the desired, regulated level. The S-8358B35MC-NQUT2U also uses PWM control to optimize the power efficiency of the output voltage.

The S-8358B35MC-NQUT2U is designed for use in a variety of applications, including notebook, telecom, server and distributed power supplies. It offers a wide input voltage range of 4.4V to 12V and is capable of regulating output voltages from 0.9V to 7.5V and connecting to an external MOSFET with a maximum power rating of 40A. It features low start-up current, low-power operation, over-voltage, over-current and overtemperature protection, and conventional PWM control. It also offers high efficiency at 93 percent and is AEC-Q100 compliant, making it the ideal choice for power applications requiring high efficiency and low power consumption.

In conclusion, the S-8358B35MC-NQUT2U is a DC-DC switching controller designed to provide high-efficiency and low-power operation in applications ranging from notebook and telecom power supplies to server and distributed power systems. It is AEC-Q100 compliant and offers excellent compatibility with a variety of power module series. Its working principle is based on a basic voltage regulator circuit, using an error amplifier, a voltage reference, and a pass element to regulate the output voltage with minimal input ripple for improved system operational stability.

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