S-8337AAAA-P8T1G

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S-8337AAAA-P8T1G is a member of the PMIC - Voltage Regulators - DC DC Switching Controllers family. With its powerful DRAM Buck Controller, it is designed to supply a very good efficiency, current and fast transient response to high-performance, high-end electronic systems.

This DC DC Switching Controller has an input voltage range up to 6V and its output range is adjustable from 0.6V to the maximum input voltage. Moreover, its fast transient response makes it an ideal solution to a variety of applications calling for highly efficient regulators and controllers.

Application Field

Having in mind its wide range of features, S-8337AAAA-P8T1G is a very optimal DC DC Switching Controller for many markets, from mobile and consumer electronics to machine and industrial automation. The primary applications include digital camera modules, memory modules, RF modules, cellular phones and digital video applications.

S-8337AAAA-P8T1G is an ideal solution for Memory and FPGA applications as digital cameras, digital video players and set-top boxes as well as notebook, netbook, personal audio & video devices and many other hand-held devices. This controller is also an optimal choice for powering artificial intelligence modules and AI powered devices.

Working Principle

S-8337AAAA-P8T1G adopts a working principle called Multi-Phase controller, which is a very efficient strategy that uses two separate power-conversion stages. This makes it possible to reduce the output voltage ripple along with improving transient response. The two stages consist of a high-frequency switching stage and a linear stage.

The high-frequency switching stage is used to step down the input voltage to a relatively low intermediary voltage, which increases efficiency and reduces heatsinking requirements. The linear stage is used to further reduce the voltage to the desired output value, with a low output-noise profile.

S-8337AAAA-P8T1G achieves a high level of accuracy and linearity due to its high-resolution Digital Error Amplifier. Moreover, it simplifies the current-sense requirement of synchronous buck applications. This eliminates the need of designing and implementing the current-sensing circuitry.

In order to ensure the maximum efficiency, dynamic power-sharing can be enabled by multiple S-8337AAAA-P8T1G ICs in a Multi-Phase application. This also helps to reduce power loss in DC/DC conversion circuits.

S-8337AAAA-P8T1G also has a very good temperature-stability feature. In this way, it is able to maintain a steady output even at varying temperature levels.

Finally, the active load-line-control feature of this DC DC Switching Controller helps avoiding potential multiple-phase instabilities if the load changes suddenly. Additionally, it delivers an unmatched transient response to load step and current changes.

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