RT2808AGSP

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The RT2808AGSP is an adjustable synchronous buck switching regulator controller. It is commonly used in applications such as power management and LED lighting. This switching regulator is designed to easily implement a two-phase interleaved power solution by reducing component count. With the RT2808AGSP, this type of regulator can achieve high performance and improved ripple efficiency.

The RT2808AGSP is a synchronous step-down regulator, meaning it will reduce the output voltage from a higher input voltage while providing excellent power conversion efficiency. The output voltage of the regulator can be adjusted between 0.8V and 5.5V,and it has a maximum current output of 10A. The RT2808AGSP also supports a wide input voltage range from 4.5V to 32V. Additionally, it offers asynchronous Adjustable On-Time (AOT) Control with a power switch of up to 20A and PWM/PFM capabilities.

The RT2808AGSP utilizes an improved architecture to provide better efficiency, transient load response and ripple performance. It works by using Constant On-Time (COT) control mode to ensure a stable output voltage, current and temperature over the entire output voltage range. The COT control mode also provides fast transient response and improved ripple performance as the load varies.

The RT2808AGSP also features adjustable low-side MOSFET on-time control with a power switch of up to 20A. This provides the benefit of improved current protection and efficient thermal management, reducing heat dissipation. Additionally, the RT2808AGSP is designed with a built-in precise voltage reference, a temperature independent 0.5% voltage accuracy and a precise over-current limit circuit.

Finally, this switching regulator also supports Burst Mode operation and is capable of implementing an extremely low output no-load current. It also supports an internal or external soft start circuit, making it well suited for applications where a slow system power-on is desired.

In summary, the RT2808AGSP is an adjustable synchronous buck switching regulator controller that is commonly used in power management and LED lighting applications. It utilizes Constant On-Time (COT) control mode to ensure a stable output voltage and current, and also features adjustable low-side MOSFET on-time control with a power switch of up to 20A. Additionally, it supports an internal or external soft start circuit, providing a slow system power-on. Coupled with its wide input voltage range, adjustable output voltage and maximum current output, the RT2808AGSP is an ideal choice for a wide range of applications.

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