SRAH-03H3300

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The DC DC Converter SRAH-03H3300 is a high-performance input voltage range wide step-down converter. With its advanced synchronous rectifier control and high-frequency operation, it combines low ripples, high power density and high reliability. This converter is designed to operate from an input voltage ranging between 5.8V and 42V and provides a regulated output voltage of 3.3V with a current output up to 6A.

The SRAH-03H3300 is a typical example of wide input-voltage range DC-DC converters, which have become increasingly popular thanks to their high efficiency of up to 96% and their ability to handle wide output current range. To maintain high efficiency, DC-DC converters use synchronous rectifier control, where the PWM is used to turn the external switch on and off at the optimum switching frequency for the converter.

At the heart of the DC-DC converter, two key components are involved, the switching transistor and the control circuit. The switching transistor is the main component used to provide the output current with an on-off time signal under the control of the control circuit. The control circuit in the DC-DC converter typically consists of a power switch, a rectifier, and an oscillator feedback circuit. The power switch is connected to the rectifier that creates a unidirectional current which is used to store energy and deliver power to the processor. The oscillator feedback circuit, which is responsible for providing a pulse width modulated signal to the power switch, controls the frequency and duty cycle of the input current.

The SRAH-03H3300 DC-DC converter utilizes synchronous rectification enabling low output ripples and low electromagnetic interference. The converter operates with a high-frequency switching current, allowing for smaller solution size and higher efficiency when compared to traditional buck converters. This switching frequency can range between 16kHz and 400kHz thus allowing an efficient operation.

Because of its wide bandwidth and high voltage ratio, the SRAH-03H3300 DC-DC converter is suitable for almost any situation where efficient power delivery is required. This could range from medical, telecommunications, industrial and automotive applications. Due to its efficiency, size and wide input voltage range, the SRAH-03H3300 DC-DC converter is an attractive option that should be considered for power management solutions.

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