LM2940T-5.0/NOPB

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The LM2940T-5.0/NOPB is a linear voltage regulator that is part of Texas Instruments\' Power Management Integrated Circuits (PMIC) series. This voltage regulator is designed to provide a regulated output voltage of 5.0 Volts across a range of input voltages from 3.2 to 5.5V. The regulator is specially designed to provide the power rails for low dropout (LDO) DC/DC buck converter. The part can provide up to 1A of continuous output current and up to 2.0A output current with duty cycle pulses. It offers relatively low dropout voltage and high power supply rejection ratio. It is designed to provide wide input voltage range, low output voltage dropout, low operational current and high precision.

LM2940T-5.0/NOPB operates in three different modes. The Regulation Mode is when the part’s output voltage is within +1% of the nominal output voltage. In this mode, the current draw is limited to a typical value of 16mA. The Dropout Mode is when the output voltage is below +1%, the various components inside the voltage regulator can have significant current requirements. The Overload Mode is when the output current of the regulator exceeds the maximum ratings. The input voltage is regulated at a maximum value when the output current is greater than the current limit.

The LM2940T-5.0/NOPB comes with an adjustable current limit and thermal overload protection to provide protection from external shorts and overloads. It also features undervoltage lockouts, so the current limit is maintained if the input voltage is too low. The LM2940T-5.0/NOPB contains several features that make it suitable for a variety of applications. These include high input voltage rejection ratio, low noise, high current limit accuracy, low input bias current, low output voltage and extremely low quiescent current.

The LM2940T-5.0/NOPB is often used in various types of applications such as high-luminosity LED lighting, portable computing and communications devices, power supplies, and industrial automation. It is also ideal for automotive applications, providing reliable and efficient power management solutions. For example, it can be used to power energy-efficient end equipment such as headlights and interior lamps, electric air conditioning components, and navigation hardware.

The LM2940T-5.0/NOPB is a simple, cost-effective and reliable voltage regulator that meets a wide range of low current applications. It can provide an accurate and stable output voltage suitable for powering digital and analog circuits. The LM2940T-5.0/NOPB provides the flexibility for a wide range of input and output parameters, allowing it to be used in a variety of applications.

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