BD450M2EFJ-CE2

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The BD450M2EFJ-CE2 is a voltage regulator designed by Renesas specifically to support linear regulation applications. This makes it an ideal solution for power management ICs (PMICs) with stringent accuracy requirements. The BD450M2EFJ-CE2 has a wide range of features, including fast transient response, wide input voltage range, low output noise, low dropout voltage and low quiescent current. It also includes protection features such as overvoltage protection and thermal shutdown. All of this on a small, easy to use package.

Application Field

The BD450M2EFJ-CE2 is an ideal voltage regulator for PMICs that require a high degree of accuracy, especially those in portable and mobile devices. This component can be used to regulate output voltages as low as 0.8V and as high as 5.5V with a maximum load current of 450mA. It has a very low dropout voltage of 0.4V, meaning it will still maintain regulation when the input voltage is only 0.4V higher than the output voltage. This makes it suitable for applications where the power supply voltage can fluctuate, such as in battery powered devices which are prone to voltage dips as the battery drains.

The BD450M2EFJ-CE2 is also beneficial for applications that require a low quiescent current and low noise. Its quiescent current is only 1mA, and its noise levels are extremely low, due to its low-noise design. This makes it ideal for applications where low power consumption and low noise are important, such as USB power sources, audio circuits and small signal processing circuits.

Working Principle

The working principle of the BD450M2EFJ-CE2 is fairly straightforward. It works by using a feedback loop to regulate the output voltage. When the output voltage deviates from its set point, the circuit adjusts the current flow to the load, causing the output voltage to return to its set point. The circuit also includes protection features such as overvoltage and thermal protection, which keep the device operating within its safe operating range.

The BD450M2EFJ-CE2 is part of Renesas’ “Basic” family of voltage regulators. This makes it ideal for low power, low cost applications. The component is also RoHS compliant and has a wide temperature range of -40°C to 125°C, meaning it can be used in a variety of environmental conditions. All of these factors make the BD450M2EFJ-CE2 an ideal solution for PMICs in portable and mobile applications.

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