S-8357B33MC-NIST2G

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The S-8357B33MC-NIST2G is a versatile device used in a variety of power management applications. It is a device within the PMIC (Power Management IC) family and more specifically the subcategory of Voltage Regulators and DC DC Switching Controllers. The device supports standard operation with two different modes - PWM (pulse-width modulation) and PFM (pulse-frequency modulation).

S-8357B33MC-NIST2G Features

The S-8357B33MC-NIST2G has a few key features making it an attractive option for power management applications. It offers high-speed rise and fall times for improved efficiency, adjustable delay times for slow start and full load, and built-in protections against excessive current and over-voltage. It is also equipped with an integrated thermal shutdown circuit and a soft-start function that can further reduce EMI on the output.

This device tolerates a wide range of input voltages, ranging from 2.5 V to 32 V. Other features include an integrated Remote On/Off control, Over Voltage and Under Voltage protection, and Over Temperature shutdown circuit. It is also equipped with a low standby power consumption, making it suitable for low power applications.

Applications

Due to the robust combination of features within the S-8357B33MC-NIST2G, some of its most common applications are in consumer electronics. It is commonly used in cell phones, digital cameras, MP3 players, and other digital devices. Other possible uses include home appliances, industrial, and automotive systems.

Working Principle

The S-8357B33MC-NIST2G operates by pulse width modulation (PWM). In this methodology, the inductor in the circuit is charged during the “on-time” period the PWM signal and the energy generated from the input voltage is stored in the inductor. Then during the "off period" the stored energy is delivered to the output. The ratio of on to off time is determined by the duty cycle, so the output voltage can be regulated by adjusting the duty cycle.

This method allows the S-8357B33MC-NIST2G to be easily incorporated into a variety of power management applications, offering high performance and simple operation. The device is capable of delivering up to 2.8 A continuous current and improved efficiency to reduce heat dissipation and component size.

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