LD3985M27R

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The LD3985M27R is a linear voltage regulator designed for applications where input voltage tolerance and ultra-low power consumption requirements must be met. It features a maximum input voltage of 27V and a maximum output current of up to 3A. The LD3985M27R provides a typical quiescent current of 4.5uA, ideal for battery operated applications where power consumption is a constraint.

An input range of 18V to 27V and a wide output range of 0.8V to 26V makes the LD3985M27R highly versatile. It is also capable of providing a maximum continuous output current of up to 3A, making it suitable for a range of applications including medical, industrial and consumer electronics.

The LD3985M27R is available in an extremely small 8-pin DFN package, making it an ideal solution for space constrained applications. It also benefits from integrated protection features that include short-circuit protection, under-voltage protection and thermal shutdown.

The LD3985M27R utilizes a linear regulator to regulate the output voltage, meaning that it works by maintaining a constant voltage drop. That is, it works by dissipating the excess power as heat. This makes it an efficient and cost effective solution, as the excess power is dissipated and not wasted.

The LD3985M27R is ideal for applications that require high accuracy, low noise and wide input voltage range. It features excellent load and line regulation which ensures a stable output voltage over varying load and line conditions. The device also features a typical output voltage accuracy of ±1%.

The LD3985M27R operates from temperatures of -40ºC to +85ºC, allowing for use in a wide variety of operating environments. It also has an on-chip linear latch at the enable pin to allow for easy enabling and disabling. This feature makes it well suited for power management applications that require precise control.

In summary, the LD3985M27R is an excellent linear regulator for applications that require low power consumption and high output accuracy. Its wide input voltage and current range, combined with its low quiescent current and integrated protection features, make it ideal for a variety of applications. Furthermore, its small size makes it well suited for space constrained applications.

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