BD3533HFN-TR Integrated Circuits (ICs)

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PMIC - Voltage Regulators - Special Purpose

The BD3533HFN-TR is a special purpose voltage regulator designed to meet the needs of a wide range of applications that require a higher level of power regulation. The device offers a high input voltage range and voltage regulation to 12V output. It is also capable of providing a constant current source with a maximum current of 5A. This makes it ideal for applications which require precise power control.

The BD3533HFN-TR has two main components – a power MOSFET and an adjustable current source. To protect against over-voltage conditions, the MOSFET is equipped with an overvoltage protection circuit.The adjustable current source ensures a stable current source for higher output current requirements, and the current range can be adjusted from 0A to 5A.

The BD3533HFN-TR has a wide variety of uses due to its high power regulation capabilities and adjustable current source. It is commonly used in automotive applications such as engine management systems, ECUs, and airbag systems. It is also used in medical device and high-end server applications. Other applications include power over Ethernet (PoE) systems, and solar charge controllers.

The working principle of the BD3533HFN-TR is relatively simple. When current flows through the input, the MOSFET switch provides power to the control circuit that drives the adjustable current source. This provides an adjustable voltage drop across the source that is applied to the output. This allows the output voltage to be set in accordance with the desired voltage range and to maintain a highly accurate output.

The BD3533HFN-TR also provides over-voltage protection. This is achieved by the use of two zener diodes. The zener diodes are connected between the current source and the output, and when the output voltage is greater than the zener voltage, the current increases, which sets off the over-voltage protection circuit and shuts down the output.

The BD3533HFN-TR is an ideal power regulator for applications requiring precise power control. Its adjustable current source makes it ideal for applications that need to operate in a wide range of voltages and currents. And its over-voltage protection ensures that the device can be used safely in a wide range of applications. With its reliable performance and wide range of uses, the BD3533HFN-TR is one of the most popular special purpose voltage regulators on the market.

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