BD3573FP-E2

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BD3573FP-E2 is a linear voltage regulator IC developed by ROHM Semiconductor of Japan. It is primarily used for low voltage and low current applications, and is mainly used to reduce the output voltage of an AC adapter or other sources from higher levels to settled lower voltages.

This IC consists of two linear voltage regulators, a high-side regulator and a low-side regulator. It is configured as a single-channel, 3 V output voltage regulator. Both high-side and low-side regulators are composed of a P-MOSFET configured voltage divider paired with an N-channel MOSFET as the feedback control element. Employing advanced MOSET technology and process expertise, the BD3573FP-E2 provides excellent thermal characteristics, high noise immunity and low voltage ripple.

The BD3573FP-E2 has a wide input voltage range and can handle both positive and negative voltages. Its combination of low quiescent current and low input voltage ensure impeccable power supply efficiency. The BD3573FP -E2 can maintain an output current of up to 150mA and will provide a wide dynamic response range of 2V to 3V. It is rated for operation from -25°C to 85°C, making it suitable for a wide range of applications.

The BD3573FP-E2 also includes several protection features, such as short-circuit protection, over-current protection, and under-voltage lockout. This ensures that the IC can handle any situation if an unexpected load presents itself. Additionally, a separate, independent input is available for setting the output voltage, thus allowing either a variable or a fixed output voltage to be configured.

The BD3573FP-E2 can be used to power a wide variety of products, from medical devices, kitchen appliances, and consumer electronics to industrial instruments and networking equipment. Thanks to its high noise immunity, small size, and low power consumption, the BD3573FP-E2 is largely becoming a popular choice for applications requiring a micro-power linear solution.

In conclusion, the BD3573FP-E2 belongs to the linear voltage regulator family and is suitable for low-voltage and low-current applications. It provides excellent thermal characteristics, high noise immunity, and low voltage ripple while requiring a low quiescent current and having a wide input voltage range. In addition, its integrated protection features, such as short-circuit protection, and over-current protection, ensure reliability and a steady output voltage. It is suitable for a wide range of applications, including medical devices, kitchen appliances, consumer electronics, industrial instruments and networking equipment.

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