BD50HC5WEFJ-E2

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BD50HC5WEFJ-E2 voltage regulator is a linear voltage regulator used for a variety of power management solutions related in consumer, industrial, communication and computing applications. It is a three-terminal adjustable regulator with relatively low dropout voltage. It is specifically designed for voltage regulation in consumer applications such as battery-operated products requiring up to 2A. It has a wide range of features and handles low dropout voltage while providing excellent regulation at input voltage down to 1.5V.

The BD50HC5WEFJ-E2 is constructed with a 4-pin dual-in-line surface-mounted package and utilizes a P-Channel MOSFET as a pass device. This results in a high power efficiency and low quiescent current. Moreover, the BD50HC5WEFJ-E2 IC also contains a fast-start circuit, which is beneficial when used with capacitive loads with low ESR, such as MLC capacitors. The BD50HC5WEFJ-E2 is qualified for extended temperature range from -40°C to +85°C and has a wide operating voltage range from 1.5V to 5V.

The BD50HC5WEFJ-E2 operates in linear regulation mode to maintain a constant output voltage with small tolerance. The voltage regulation is achieved by feedback loop on which the output voltage depends. The output voltage is designed to be as close to the reference as possible. Any change in the input/output voltage or load current produce an error voltage which is compared to a reference voltage. This error voltage is then fed back to the output buffer to regulate the output voltage to the desired value.

The BD50HC5WEFJ-E2 features over temperature protection and overtemperature protection. The over temperature protection allows the IC to limit the current flow when the IC temperature reaches the preset temperature limit. This helps to prevent the IC from getting damaged due to elevated temperature. The overtemperature protection sets a low temperature limit beyond which the voltage regulator stops regulating. This protects the device from running under very low temperatures which can cause a breakdown instability.

In short, the BD50HC5WEFJ-E2 is a linear voltage regulator that is suitable for a wide range of applications which require high efficiency and low quiescent current. It features over temperature protection and overtemperature protection, perfect for battery-operated products. It is also qualified for extended temperature range and has a wide operating voltage range from 1.5V to 5V.

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