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MAX17003A - Main PowerSupply Controllers

Description

The MAX17003A/MAX17004A are dual step-down, switch-mode, power-supply (SMPS) controllers with synchronous rectification, intended for main 5V/3.3V power generation in battery-powered systems.

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Full PDF Text Transcription

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MAX17003A/MAX17004A 19-0837; Rev 0; 6/07 EVAALVUAAILTAIOBNLEKIT High-Efficiency, Quad-Output, Main PowerSupply Controllers for Notebook Computers General Description The MAX17003A/MAX17004A are dual step-down, switch-mode, power-supply (SMPS) controllers with synchronous rectification, intended for main 5V/3.3V power generation in battery-powered systems. Fixedfrequency operation with optimal interleaving minimizes input ripple current from the lowest input voltages up to the 26V maximum input. Optimal 40/60 interleaving allows the input voltage to go down to 8.3V before dutycycle overlap occurs, compared to 180° out-of-phase regulators where the duty-cycle overlap occurs when the input drops below 10V.
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