APXS006A0X-SRDZ

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DC-DC converters are electrical devices used to convert a DC voltage from one value to another. They are often used in applications such as power supplies, battery charging systems, and motor controllers. The APXS006A0X-SRDZ is a high-performance, high-efficiency, full-bridge, buck-type DC-DC converter. In this article, we will discuss the application field and working principle of the APXS006A0X-SRDZ.

The APXS006A0X-SRDZ is suitable for a wide range of applications, including automotive electronics, industrial automation, measurement and control, medical equipment, communications equipment, consumer electronics, lighting, and renewable energy. It can provide a high level of efficiency (up to 95%) and a wide input voltage range (3.6V to 36V). The device features overcurrent protection, overvoltage protection, and thermal shutdown protection to protect against abnormal operating conditions. Additionally, the switch current and output voltage can be adjusted via external resistors.

The device has a built-in full bridge using two series-connected N-MOSFETs and two series-connected P-MOSFETs. The switches and the diode, as shown in the figure below, form a buck-type circuit, where the output voltage is controlled by varying the duty cycle of one switch. When the switch is in the on-state, the input voltage is applied to the inductor, and a current is induced in the inductor. When the switch is in the off-state, the current flows through the diode and the output capacitor, charging it and providing the output voltage.

The current through the inductor is monitored by the integrated current-sensing circuit, and the duty cycle is adjusted proportionally to maintain a constant output voltage. The output voltage is adjusted using an external resistor connected to the control pin. The adjustment is linear; for every 1V change in the control pin voltage, the output voltage is changed by 0.4V. Additionally, the device features integrated soft-start functionality, allowing for a relatively quick response time to changes in the output voltage.

The APXS006A0X-SRDZ is an ideal solution for applications requiring a wide input voltage range, high efficiency, and a wide range of output voltage adjustments. Its built-in features protect against abnormal operating conditions, and its adjustable output voltage allows it to be used in a variety of applications. In addition, its built-in soft-start operation allows for a quick response time to changes in the output voltage.

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