A8285SLB

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A8285SLB is a special purpose voltage regulator optimised for single and dual-tapping buck application. It is specifically designed to regulate down to the minimum output voltage of the battery, while preventing any excess load current flowing in the rest of the system. The device features minimal startup voltage, allowing it to be used in both high and low voltage applications. The A8285SLB can also be used in point-of-load regulation, allowing it to deliver precise power to end application systems while remaining highly efficient.

At the core of the A8285SLB is its switched buck power stage, which is capable of carrying up to 600mA of input current. The switcher consists of a voltage feedback circuit, a power switch and a power driver. The voltage feedback circuit directly senses the output voltage in order to provide precise regulation. The power switch is a MOSFET which is responsible for turning the power stage on or off. Finally, the power driver is responsible for controlling the gate voltage of the power switch.

The A8285SLB\'s power stage can be enabled in one of three ways. First is with an EN signal, which will turn the power stage on when the signal is high and off when it is low. Second is with a PWR signal, where the signal is used to directly control the power switch gate voltage in order to control the power stage. Finally, the A8285SLB can be enabled by itself without an external signal, through its Enable Pin (EN).

In addition to its power stage, the A8285SLB provides a wide range of voltage-related features. It has an adjustable operating voltage range from 0.48V to 7V and can support a minimum output voltage of 0.5V. It also includes an adjustable current-limiting protection which can limit the load current to 1200mA. The device also provides an output voltage slew rate control, allowing the user to adjust the output voltage ramp time. This feature is especially useful when dealing with input voltage swings, as it allows the user to tailor the output voltage ramp time to their application.

Finally, the A8285SLB has a package that is specifically designed to reduce the form factor of the device. Its small size, which measures 6mm x 5mm, makes it ideal for space-constrained applications. The device is also designed to dissipate up to a maximum of 0.72W of power, allowing it to handle high current loads.

Overall, the A8285SLB is a special purpose voltage regulator optimized for single and dual-tapping buck applications. It has a wide operating voltage range and adjustable current-limiting protection, allowing it to be used in a variety of applications. Its small size and low power dissipation make it ideally suited for space-constrained systems, while its output voltage slew rate control allows it to be used with input voltage swings. The A8285SLB is a versatile and efficient solution for high-current, low-voltage applications.

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