Part Details for SM72480 by National Semiconductor Corporation
Overview of SM72480 by National Semiconductor Corporation
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Part Details for SM72480
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Reference Designs related to SM72480
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PMP9781 面向便携式音频应用的小型高效分离轨电源参考设计
Differential Headphone amplifiers require positive and negative voltages. In this reference design, both voltages are generated from a single input voltage with an all integrated split-rail converter. It only requires one inductor and a minimal amount of external components to achieve a high effi
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SM3320-BATT-EV Charge Controller Reference Design
The SM72442 MPPT digital controller and SM72295 photovoltaic full bridge drivers are designed to control high efficiency DC/DC conversion used in photovoltaic applications. This application note will detail the usage of those devices in a battery charging application. The reference design is meant to provide support for a wide variety of implementations: however: unless otherwise noted: this reference design system is shown charging a 12V commercial automotive lead acid battery.If the battery voltage is very low: a slow charge current is applied and limited until the voltage rises above a pre-set threshold value Vt. The full charge current is then applied. Once full charge is detected on the voltage of the battery: the system switches to a floating charge and maintains the battery voltage at a fixed threshold. At any time: the system will run in MPPT mode if the available power is lower than the power required to achieve voltage or current regulation.