BD3611EFV-E2

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PMIC, or Power Management Integrated Circuit, is a type of integrated circuit designed to manage the power supply for electronic devices. It is responsible for converting, controlling and monitoring the power supply voltage and current for system efficiency and reliability. Voltage Regulators are an important subcategory of PMIC that are used to provide a stable voltage from a power source with either an AC or DC input. Linear Voltage Regulators produce a constant DC output from a DC input that is free from noise and ripple.

BD3611EFV-E2 is a monolithic linear voltage regulator manufactured by ROHM Semiconductor. It is an ultra-compact, low-noise, low-power consuming linear voltage regulator, typically used for the power supply of micro-controllers and ICs. It is designed to be used with a wide range of input voltage, including 4 V to 25 V and output voltage of 3.35V to 4.5V.

The BD3611EFV-E2 provides excellent load regulation of ±10mV, good line regulation of ±3mV and very low noise of 13 µVrms. It also has a low dropout voltage of 200 mV, allowing it to provide a stable output voltage even at low input voltage levels. Additionally, it has a minimum quiescent current of 130 µA, enabling it to operate in low power applications.

The BD3611EFV-E2 has several features that help ensure reliable and efficient operation. It has built-in thermal shut down and over-current protection to prevent device damage, as well as a low output impedance of 0.3Ω for improved line regulation and lower operating temperature. It also has a low temperature coefficient of -10 mV/°C and wide operating temperature range from -40°C to 85°C.

The working principle of the BD3611EFV-E2 is fairly simple. It is an input voltage-to-output voltage conversion device, using an Error Amplifier set to a reference voltage to compare the input and output voltages. As the input voltage varies, the Error Amplifier compares the difference to the reference voltage and creates a control signal sent to the output transistor to adjust its resistance, causing the output voltage to remain constant.

The BD3611EFV-E2 is used in a wide range of applications. It is ideal for use in battery-powered portable equipment such as mobile phones, PDAs, laptop computers, digital cameras and other consumer electronic products. It is also used in automotive and industrial electronics, medical equipment, and industrial control systems.

The BD3611EFV-E2 is an excellent choice for efficient, low noise, low power consuming power supply design due to its high performance, wide operating voltage range, low temperature coefficient, and wide operating temperature range.

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