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DC DC Converters: APC08M03-J Application Field and Working Principle

The APC08M03-J is a step up DC/DC converter manufactured by popular international brand Apex Microtechnology Corporation. This device is designed for use in a wide range of industrial applications, making it an excellent choice for a variety of projects. Its efficiency, versatility, and other features make it a highly popular device with professionals who rely on reliable performance. Each DC/DC converter has an input voltage range of 8V to 16V and a maximum output voltage of 24V.

Features and Advantages

The APC08M03-J features an efficient synchronous rectified buck topology with a 150 kHz fixed frequency PWM control. Its efficiency can reach up to 95%, making it an ideal choice for applications such as portable electronics, ATX power supplies, servers, and challenging industrial applications. Additionally, the converter features a wide input voltage range, wide output voltage adjustment range, high-precision and excellent transient response to load step changes. It also has an embedded protection circuit, an over temperature feature, and internally compensating error amplifier, to help make sure the output voltage is always stable and protected against any transients. For reliable performance, the converter is also temperature rated to operate between -40°C and +85°C.

Design and Working Principle

The APC08M03-J is a step up DC/DC converter that features a synchronous rectified buck topology. In the buck topology, a MOSFET switch is used to convert input DC voltage to the desired output voltage, performing the step up transformation. A rectifier and a filter capacitor are also used to prevent the output voltage from noisy fluctuations. The device can be applied in a single power supply or even in a multiple power supply system.

The APC08M03-J also features an embedded protection circuit. It monitors the output current and input voltage, and shuts off the converter in case of abnormal abnormalities. The over temperature feature allows the device to operate safely in low temperature conditions. The internal error amplifier ensures that the output voltage always maintains the requested value even under transients, and the device is rated up to 85°C tolerance for reliable performance.

Applications

The APC08M03-J is ideal for a wide range of applications, including portable electronics, ATX power supplies, servers, and challenging industrial applications. Its efficiency, wide input and output voltage range, high-precision and excellent transient response make it a highly popular choice for professionals. It is also suitable for applications where higher power levels are required, and its temperature rating makes it perfect for operating in extreme conditions.

Conclusion

The APC08M03-J is a versatile step up DC/DC converter manufactured by Apex Microtechnology Corporation, designed for a wide range of industrial applications. It features an efficient synchronous rectified buck topology with a 150 kHz fixed frequency PWM control. It has a wide input voltage range, wide output voltage adjustment range, high-precision, and excellent transient response, as well as an embedded protection circuit, an over temperature feature, and an internally compensating error amplifier. The device can be applied in a single power supply or multiple power supply system, making it an ideal choice for a variety of projects.

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