5-output Pmics With Dc-dc Core Supply For Low-cost Pdas

The MAX8594 MAX8594A complete power-manage- ment 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 compo- nents. Featured are three linear Regulators a boost DC- DC converter for LCD bias, an efficient 4MHz buck DC-DC Converter for core power, a Microprocessor (P) reset output, and low-battery shutdown in a 0.8mm high thin QFN package By Maxim Integrated Products