LP2989ILDX-2.8

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The LP2989ILDX-2.8 is an adjustable linear voltage regulator designed to operate from an input voltage source of 2.6V up to 8.5V. It is an integrated circuit that provides a regulated output voltage with value determined by an external voltage divider. This voltage regulator offers load current up to 500mA and output voltage tracking accuracy of ±0.5%. The LP2989ILDX-2.8 has an operating temperature range from -20°C to 85°C and is available in an 8-pin PDIP package.

The LP2989ILDX-2.8 is a simple voltage regulator, also called a linear regulator, that uses a regulating element called a series transistor to stabilize the output voltage. A linear regulator works by taking the difference between the input voltage and the desired output voltage, and then dissipates the excess voltage as heat. As long as the output voltage is below the input voltage, the series transistor continuously removes or adds charge until the output voltage is equal to the set value. This process is repeated hundreds of thousands of times per second, so the output voltage remains stable regardless of changes in the input voltage.

The LP2989ILDX-2.8 is widely used in a multitude of voltage regulation applications, such as automotive, industrial, appliances, and communication systems. With its small size and wide range of input and output voltages, it is mainly used in low-power applications such as cell phones and laptop computers. The LP2989ILDX-2.8 is also cross-compatible with other voltage regulators on the market, which makes it an ideal choice for replacing obsolete linear voltage regulators.

The LP2989ILDX-2.8 has many advantages over other linear voltage regulators. First, its wide input and output voltage range makes it suitable for many power supply applications. Second, it has a low quiescent current of only 3μA, making it an ideal choice for battery-operated applications. Third, its tight voltage tracking accuracy of ±0.5% ensures that the output voltage remains stable over a wide temperature range. Finally, its small footprint, low thermal resistance, and low-noise characteristics make it suitable for high-density, high-efficiency circuit designs.

The LP2989ILDX-2.8 can also be used in other applications, such as battery chargers, DC motor controllers, and LED drivers. In addition, it can be used for voltage scaling in various systems. For example, it can provide a stable output voltage for a microcontroller operating from a varying input voltage, or it can be used to supply a power amplifier from a one-cell Lithium-ion battery. The LP2989ILDX-2.8 is also suitable for charging and monitoring single-cell Li-ion battery packs.

In conclusion, the LP2989ILDX-2.8 is a versatile linear voltage regulator with a wide range of input and output voltages and tight voltage tracking accuracy. Its small size and low quiescent current make it suitable for low power and battery- powered applications, while its high efficiency operation and robust performance make it ideal for a wide range of voltage regulation and scalability applications. The LP2989ILDX-2.8 is the perfect choice for designs requiring a reliable and cost-effective linear voltage regulator.

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