LD1084D2T-R

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LD1084D2T-R is a popular three-terminal adjustable linear voltage regulator specifically designed for applications in laptop, notebook and mobile phone batteries. It has many useful features for the power supply design, such as its wide input voltage range, low dropout voltage, low quiescent current, and high output current capability. In addition, it comes packaged in a small SOT-223 package and provides high power density.

The LD1084D2T-R input voltage range is from 4.5 V to 15 V. The regulator has a regulated power output voltage of 1.24 V to 37 V and is capable of supplying up to 6 A of load current. The dropout voltage of the LD1084D2T-R is relatively low, with a dropout of less than 1 V at a load current of 2 A. This low dropout voltage makes it ideal for efficiently regulating power in battery applications.

The quiescent current of the LD1084D2T-R is very low, at typically only 10 μA. This low quiescent current preserves battery life in portable applications. The device also has thermal protection, which limits the power dissipation and temperature rise. In addition, current limiting and short circuit protection ensure reliable operation.

The application of the LD1084D2T-R in portable electronics requires a low noise power supply architecture. The LD1084D2T-R has an excellent noise performance, with very low output noise of typically 10 μVrms at 20 MHz bandwidth. The part also features low output impedance, with load transient response of less than 5 μs.

The LD1084D2T-R is a high-performance three-terminal adjustable linear voltage regulator. It has wide input voltage range, low dropout voltage, low quiescent current and high output current capability, making it suitable for many power supply design requirements. Its low noise performance, low output impedance and fast load transient response make it an ideal choice for applications in battery powered portable devices.

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