AS1328B-BQFT-12

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The AS1328B-BQFT-12 is a DC/DC step-down switching regulator, specifically designed to cover general-purpose power supply applications. It is suitable for use in a variety of electronic systems, such as battery-powered applications, where efficient power conversion is required. This regulator delivers a high conversion efficiency of greater than 95 percent, making it ideal for applications where power dissipation must be kept to a minimum. The AS1328B-BQFT-12 provides a wide range of operating voltages, with inputs from 5V up to 38V. It also has built-in current limit and thermal protection, making it quite a robust device.

The AS1328B-BQFT-12 works by combining a high-efficiency buck converter with an integrated driver, which provides the control of the converter\'s output voltage. This converter\'s output is determined by measuring the input voltage and outputting a pulse-width modulated (PWM) signal to the integrated driver, which then delivers suitable speed and frequency pulses to the P-channel and N-channel MOSFETs. These MOSFETs switch the output voltage of the converter as per the PWM signal. The output voltage regulation is achieved via a feedback pin, which monitors the voltage and feeds back a pulse current to the external components.

This device is extremely useful for general-purpose power supply applications. It provides high efficiency, along with over-current and over-temperature protection, making it a highly reliable choice for applications that require precise voltage regulation and long battery life. The AS1328B-BQFT-12 is also suitable for low noise applications, such as active-filters, as its switching frequencies can be adjusted to suppress EMI noise.

In conclusion, the AS1328B-BQFT-12 is an ideal choice for a wide range of DC/DC step-down switching regulator applications. It provides high efficiency, over-current and over-temperature protection, and adjustable switching frequencies, making it perfect for low noise, active-filter applications. The input voltage range of 5V to 38V makes it suitable for a wide range of power supply requirements.

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