RPA120H-11012SRW/GN

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DC DC converters are used to convert voltage levels in a regulated manner. They are generally small, efficient and reliable, suitable for use in a variety of applications. The RPA120H-11012SRW/GN is a DC DC converter from Rohm, a trusted leader in the semiconductor industry. This product is suitable for a wide range of applications, and it’s important to understand its working principle.

The RPA120H-11012SRW/GN is a dual input voltage converter with an output voltage of 12 V. It has two input ports, one for direct current (DC) and one for alternating current (AC). It utilizes a buck-boost design, meaning it will boost input voltage that is too low, and buck any that is too high. It has an operating temperature range of -40°C to +90°C, making it suitable for a variety of environments.

The RPA120H-11012SRW/GN has a maximum power rating of 120 W, and an efficiency of 96.3%. Its switching frequency is fixed at 300 kHz, allowing for precise and stable voltage control. The device also includes built-in input surge protection, overcurrent protection, and thermal protection features to ensure safe and reliable operation.

The RPA120H-11012SRW/GN is well suited for a variety of applications, including power supplies, industrial control systems, and other applications where regulated power conversion is needed. It can also be used for battery charging, providing a reliable and efficient source of power.

In order for the RPA120H-11012SRW/GN to perform its voltage conversion duties, it relies on certain components. At the core of the circuit is a switching regulator, which uses an internal oscillator to convert the input voltage to the desired output voltage. This is done by switching the connection between the input voltage and ground at a high frequency. The primary components of the circuit are the switching regulator, the transformer, and the rectifier diodes.

The switching regulator is responsible for controlling the input voltage, and its switching frequency is determined by the internal oscillator. The output voltage is determined by the transformer, which steps down the input voltage to the desired level. This is followed by a pair of rectifier diodes, which act as a switch to reverse the polarity of the voltage.

The RPA120H-11012SRW/GN can be used in a variety of AC and DC applications, providing efficient voltage conversion. Its built-in protection features make it well suited for industrial applications, providing reliable operation in even the harshest environments. With its wide operating temperature range, the RPA120H-11012SRW/GN is an ideal solution for applications requiring AC to DC or DC to DC conversion.

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