APXW003A0X43-SRZ

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DC-DC converters are devices used to manipulate and convert direct current (DC) power for a wide variety of applications. The APXW003A0X43-SRZ is a type of DC-DC converter manufactured by Power Integrations, Inc. It is designed to convert input power from a DC power source to a desired output voltage level with excellent efficiency and reliability.

The APXW003A0X43-SRZ features a synchronous rectification buck converter and PWM controller integrated in a single unit. This type of converter is capable of converting input power with currents up to 3A. It is a single stage device that offers precise output control and excellent load and line regulation. It also boasts a low supply current of only 6mA, making it a very efficient device.

The APXW003A0X43-SRZ is suitable for a wide range of applications, including power supplies for consumer and industrial electronics, automotive, telecommunication, and renewable energy systems. The device is especially well suited for applications with low or medium power demands, such as LED lighting, laptop adapter, broadband and mobile device chargers. In addition, the device features a wide input voltage range between 3.3V to 24V and output voltage range between 0.8V to 20V, which makes it suitable for a variety of applications.

The APXW003A0X43-SRZ utilizes a synchronous rectification architecture that ensures high efficiency and is compliant with EN55022 Class A for conducted emissions. The integrated PWM controller features frequency foldback (FF) and over-temperature (OT) protection for maximum operational safety and system reliability. It also features an adjustable switching frequency up to 600 kHz for optimized efficiency and size. The device is also protected against over-voltage, over-current, and short circuits.

The APXW003A0X43-SRZ works by taking input power from a DC power source and converting it to a desired output voltage level. The integrated PWM controller first sets the frequency of the pulse-width modulated signals that drive the synchronous rectifier. The synchronous rectifier then takes these signals and converts the input power to the desired output voltage level. Finally, the output voltage is adjusted using a potentiometer or external control.

In conclusion, the APXW003A0X43-SRZ DC-DC converter is an efficient and reliable device for converting DC power from a DC power source to a desired output voltage level. It features a wide input voltage range between 3.3V to 24V and output voltage range between 0.8V to 20V, making it suitable for a variety of applications. The integrated PWM controller and the synchronous rectification architecture ensure high efficiency and system safety. This device is suitable for power supplies for consumer and industrial electronics, automotive, telecommunication, and renewable energy systems.

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