19-3349; Rev 2; 4/05
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5-Output PMICs with DC-DC Core Supply for Low-Cost PDAs
General Description
The MAX8594/MAX8594A complete power-management chips for low-cost personal digital assistants (PDAs) operates from a 1-cell lithium-ion (Li+) or 3-cell NiMH battery.
They include all
regulators, outputs, and voltage monitors necessary for small portable devices while requiring a bare minimum of external components.
Featured are three linear
regulators, a boost DCDC converter for LCD bias, an efficient 4MHz buck DC-DC converter for core power, a microprocessor (µP) reset output, and low-battery shutdown in a 0.
8mm high thin QFN package.
The COR1 buck DC-DC converter supplies ...