LM4040BIM3-5.0/NOPB

The LM4040BIM3-5.0/NOPB belongs to the Voltage Reference category of PMIC series. It is an interesting device used control and regulate voltage from a power supply source. Understanding the LM4040BIM3-5.0/NOPB application field and working principle is important for correctly using the device.

Applications

The LM4040BIM3-5.0/NOPB is a 4-pin SOT-23 package device that is used as an adjustable voltage reference in voltage division, power regulation, and power supply sequencing applications. It can also be used to set and monitor reference voltage in battery-based systems and other digital circuits.

The device offers a wide output voltage range of 2.5 V to 36 V and a low-voltage operation of 0.9 V. It is capable of draining a maximum current of 1 mA at the output, which makes it suitable for precision feedback applications. The device also features a stable performance and an Accurateand ripple rejection that can be programmed over a wide range of output voltages.

Working Principle

The LM4040BIM3-5.0/NOPB combines MOSFET and Op Amp circuits, which are the basic building blocks of all adjustable voltage references. The device comprises an inverting amplifier, an output amplifier, a reference voltage reference block that is used for calculating the reference voltage, and an oscillator to ensure a steady voltage across the input and output pins.

In terms of circuit operation, the LM4040BIM3-5.0/NOPB works by comparing the voltage at the output of the voltage reference block and the voltage at the input of the inverting amplifier. This comparison then results in an output voltage that is proportional to the reference voltage. The amplifier and the output circuit then amplify the error signal and produce a stable output voltage that can be used to regulate the voltage of the power supply or battery.

Features

The LM4040BIM3-5.0/NOPB features excellent performance characteristics and a wide range of features that make it suitable for a range of voltage regulation applications. Some of its main features include:

• Low-Voltage Operation (0.9 V): Allows the device to be used in battery-based systems and other low-voltage applications.
• Stable Performance: Ensures an accurate output voltage is maintained over a wide range of temperatures and supply voltage.
• Output Voltage Range: Allows precise regulation of the output voltage from 2.5 V to 36 V.
• Low Quiescent Current: Reduces power consumption and increases system efficiency.
• Accurate Ripple Rejection: Reduces noise and helps ensure a stable reference voltage output.

The LM4040BIM3-5.0/NOPB is an adjustable voltage reference device that offers a lot of features and stability in terms of its output voltage. Its wide range of applications and features make it ideal for precision feedback and voltage regulation in a variety of battery-based systems and digital circuits.