ER3105DI

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ER3105DI is a switch-mode DC-DC regulator designed to provide a constant output voltage, even under heavy load and varying input voltage. It can be used to power a range of low-power applications such as electrical sensors, analog and digital equipment, etc. In this article, we will discuss the application field and working principle of the ER3105DI.

Application field of ER3105DI

The ER3105DI is designed to provide a regulated output voltage in a range of 5V-35V and a maximum output current of up to 2A. It is specially suitable for applications like low-power sensors, analog and digital equipment, etc. The main features of the ER3105DI are:

• Wide input voltage range from 5V to 35V
• High-efficiency switching regulator (up to 95%)
• Internal compensation for precise load regulation
• Over-temperature and over-current protection
• Soft start for improved current management and fast transient response
• Auto-restart and short-circuit shutdown
• Low noise operation

The ER3105DI is designed to meet the high reliability requirements of industrial, medical and aerospace applications, and also provides excellent safety performance. It has passed a wide range of stringent safety standards, including UL and CE. In addition, this device is RoHS compliant, and radiation tolerant.

Working Principle of ER3105DI

The ER3105DI regulates the output voltage by using a switch-mode DC-DC conversion technique, where the input voltage is controlled by a switching regulator. As the input voltage fluctuates, the switcher provides a constant and precise output voltage. The switch-mode DC-DC conversion works with a control loop that sets the switching frequency and duty cycle, which determines the output voltage. The control loop continuously monitors the output voltage, and adjusts the duty cycle accordingly to maintain a steady output voltage.

The ER3105DI is designed with a feedback circuit and an internal compensation network to provide a precise output voltage regulation. The external feedback control enables an additional level of precision control, by regulating the output voltage to within 4%. This level of precision makes the ER3105DI ideal for applications that require a stable output voltage, such as industrial, medical and aerospace equipment, etc.

Conclusion

The ER3105DI is a switch-mode DC-DC regulator designed to provide a constant output voltage, even under heavy load and varying input voltage. With its wide input voltage range and precise output voltage regulation, it is perfect for powering applications that require stability, reliability and safety.

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