LP2981IBP-3.2/NOPB Integrated Circuits (ICs)

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The LP2981IBP-3.2/NOPB is a 3.2V, fixed-output, low dropout (LDO) regulator. It is housed in a small SOT-23-6 package and is part of Texas Instruments\' quasi-resonant type Linear Voltage Regulator portfolio. The LP2981-3.2/NOPB has a variety of features that make it beneficial for diffferent applications.

The LP2981-3.2/NOPB is a highly efficient, low quiescent current regulator designed to supply a regulated output voltage with minimal input voltage drop. It can provide up to 100mA of current over a wide range of input voltages (2.2V to 6V). It has a low power shutdown mode, which allows the regulator to draw no additional power when the enable pin is pulled low. The protection features include over-temperature, reverse current, and short-circuit protection.

The LP2981-3.2/NOPB is designed to deliver high output current at low dropout voltage levels; it also features low noise and ripple rejection. Its built-in thermal protection ensures reliable operation of the regulator in extreme temperatures. It is suitable for use in battery-powered devices such as mobile phones, digital cameras, and media players that require low-dropout voltage regulation.

The LP2981-3.2/NOPB is configured to work in a variety of applications as a general-purpose linear regulator, a voltage multiplier circuit, and a regulated 5V power supply. Its power-saving mode helps to reduce quiescent current during light-load operation. This, in turn, leads to lower operating temperatures, improved performance, and better battery life.

The LP2981-3.2/NOPB is based on a quasi-resonant design, which consists of a differential amplifier, low-dropout regulator, and voltage reference. It makes use of a fast-acting comparator to control the quasi-resonant switching of an inductor-switch topology, which helps to minimize output noise, ripple, and power consumption. In addition, the integrated POR provides an active inverted reset output that can control power supplies up to 6V.

The LP2981-3.2/NOPB is the perfect solution for applications with tight space requirements, like those found in cellular devices and hand-held electronics. It delivers accurate and stable voltage over a wide range of input and output load conditions, making it suitable for low-power circuitry and analog signals. Its low dropout voltage and low temperature coefficient result in improved system accuracy, allowing for more reliable and precise operation.

The LP2981-3.2/NOPB is ideal for applications where high-current and low-cost voltage regulation is needed, such as portable devices, electronic medical instrumentation, power supplies, and battery-powered equipment. Its versatility and features make it well-suited for a broad range of applications.

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