S-8341C25AFT-T2-U

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S-8341C25AFT-T2-U application field and working principle

The S-8341C25AFT-T2-U is a PMIC (power management IC) voltage regulator that is designed to act as a DC-DC switching controller. These regulators are commonly used in a variety of high-power applications, such as consumer electronics, automotive systems, and power supplies. The device offers a wide input voltage range and low output ripple, making it an ideal choice for system designers who require reliable, high-performance power management.

Device Features

The S-8341C25AFT-T2-U features a synchronous buck converter that provides an output voltage adjustable from 0.6 V to 0.9 V. It is capable of supplying up to 2.5 A of continuous output current and can support a peak output current of up to 160 A. The device also features internal compensation and built-in EMI filtering capabilities, making it suitable for applications requiring a high level of EMI immunity.

The operating frequency of the device can be programmed between 2 MHz and 6 MHz. It also has an integrated phase-shift soft-start and phase-shift clock-shift control that help reduce power consumption during startup. Additionally, the device can be enabled/disabled through a logic-level control pin allowing for automation of the power-up and power-down sequences.

Working Principle

The S-8341C25AFT-T2-U is a switching regulator that employs a synchronous conversion technique known as buck-boost conversion. This type of conversion involves controlling the voltage and current flow in a two-switch arrangement. During the high-side phase, the high-side switch is opened, allowing current to flow through the inductor and towards the output. Then, during the low-side phase, the low-side switch is opened, allowing current to flow from the output to ground, completing the cycle.

The S-8341C25AFT-T2-U uses an internal compensator circuit to generate its Pulse Width Modulation (PWM) signal. This PWM signal is used to control the on and off times of the high-side and low-side switches, which ensures that the device can operate in a wide input voltage range without compromising the output voltage. Additionally, the device employs a feed-forward loop control scheme that enables it to maintain a stable output voltage even under varying system conditions.

Application Field

The S-8341C25AFT-T2-U is a versatile PMIC voltage regulator that can be used in a variety of applications. These well-suited fields of application include:

• Portable electronics
• Consumer products
• Telecommunications equipment
• Industrial automation systems
• Medical equipment
• Automotive systems
• Power supplies

The device\'s wide input voltage range and low output ripple make it an ideal solution for designers who require reliable power management performance in their designs. Additionally, its integrated features, such as EMI filtering and adjustable operating frequency, further enhance its performance and make it suitable for a wider range of applications.

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