S-8333ACFB-T8T1G

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The S-8333ACFB-T8T1G product is part of the PMIC - Voltage Regulators - DC DC Switching Controllers product family. As such, it is designed to regulate or control the power output of the connected direct current (DC) battery. By doing this, the device helps to ensure that the connected device behaves in an expected and predictable way. Through proper power management, the connected device can be more productive, last longer and operate more efficiently.

The S-8333ACFB-T8T1G device is a single-output step-down DC-DC converter, controlled by an open-drain pulse-width modulation (PWM) fuse control pin. This DC-DC converter is designed to convert an input voltage to a lower output voltage. Its output voltage can be adjusted using a single external resistor. Normally, when the open-drain PWM pin is low, the output voltage is set to 0 Volts. When the PWM pin is high, the device starts switching and the output voltage is determined by the equation Vout = Vref x (Rf + Rs)/Rf, which is based on the reference voltage, the feedback resistor Rf and the external resistor Rs.

The PWM frequency of the S-8333ACFB-T8T1G is set internally and no external components are required. It also features a high-frequency control loop with an internal compensation network, which ensures a high output accuracy and excellent noise stability. The device also supports an automatic Burst Mode operation, which allows the converter to enter very low power states during light loads. It is also equipped with internal soft start to avoid overshoot during start-up, programmable current limit and thermal protection. This ensures protection of the connected device and power system in the event of a fault.

The S-8333ACFB-T8T1G is an ideal device for applications that require a single-output step-down DC-DC converter with a high efficiency and low noise operation. It also features internal compensation, soft-start and current limit, making it suitable for applications with a wide range of output current levels. Additionally, as the device supports an automatic Burst-Mode operation, it is well suited for designs that require low power operation during light loads. Some typical applications include set-top boxes, game consoles, PDAs, digital TVs, and cellular phones.

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