S-8341A25AFT-T2-G

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PMIC - Voltage Regulators - DC DC Switching Controllers

The S-8341A25AFT-T2-G is a DC-DC switching controller used to create selective input and output voltage rails in a system application. This device can be used in a variety of applications including DC-to-DC switching converters, buck converters, and boost converters. The S-8341A25AFT-T2-G also offers protection against over-temperature, over-current, and short-circuit conditions.

The S-8341A25AFT-T2-G switching converter controls an N-channel MOSFET to regulate the output voltage from a preset voltage. The output voltage of the S-8341A25AFT-T2-G is adjustable with an external resistor divider network connected to the Device Control (CNTL) pin. The output voltage of the device is measurement through an external voltage divider network connected to the Device Output (OUT). The S-8341A25AFT-T2-G has an internal comparator to monitor the voltage signal used on the Device Control (CNTL) pin.

In applications that demand a high level of efficiency, the S-8341A25AFT-T2-G operates in a pulse-width modulated (PWM) mode with a fixed frequency of 200kHz. The PWM duty cycle and output voltage are determined by an external resistor divider connected to the Device Control (CNTL) pin. When the system load is light, the S-8341A25AFT-T2-G operates in a skip cycle mode to reduce the number of switching events and thus reduce the power consumption.

The S-8341A25AFT-T2-G provides a wide input voltage range that allows the device to be used in a variety of applications. The S-8341A25AFT-T2-G accepts input voltages from 8V to 32V. The device is designed to withstand the maximum input voltage, which is 1.5 times the maximum output voltage. The minimum input voltage is 8V.

The S-8341A25AFT-T2-G offers maximum safety features to protect the system against over-current and over-temperature conditions. The device includes an Over-Current Limit (OCL) pin and includes a soft-start function to reduce input surge current. The PIN Current Limit (ICL) pin provides the current limit and can be increased or decreased using a resistor using a resistor divider network connected to the ICL pin. The S-8341A25AFT-T2-G also includes an over temperature protection circuit that reduces the switching frequency when the device temperature exceeds 105℃.

In addition to the wide input voltage range and safety features, the S-8341A25AFT-T2-G is designed for easy implementation in a wide variety of applications. The device comes in a VR package that is designed to provide a low profile solution to space constrained applications. The device is factory preset with the default output voltage of 24V and the typical output voltage range is 8V to 24V. The output voltage can be easily adjusted with a resistor divider network connected to the Device Control (CNTL) pin. The S-8341A25AFT-T2-G switching controller also utilizes a shutdown mode to allow system to sleep while saving power. The device also includes a high side driver circuit to control the high side MOSFET.

The S-8341A25AFT-T2-G switching controller is an ideal solution for a variety of applications including buck converters, boost converters, and DC-to-DC switching converters. The device offers a wide input voltage range, adjustable output voltage, over-temperature protection, and other features to provide a safe application. In addition, the space-saving VR package makes the S-8341A25AFT-T2-G an ideal solution for space-constrained applications.

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