Part Details for MAX183 by Maxim Integrated Products
Overview of MAX183 by Maxim Integrated Products
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Part Details for MAX183
MAX183 CAD Models
Resources and Additional Insights for MAX183
Reference Designs related to MAX183
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Portable Supply Derives +5V and +3.3V Power from USB Port
A portable device using the circuit of Figure 1 derives power from the USB bus. The MAX1811 uses USB power charges a lithium-ion (Li+) battery at, USB compatible, 100mA or 500mA rates. Battery power is then stepped up with the MAX1797 to create the 5V supply rail. The 5V supply rail is then stepped down with the MAX1837 to create the 3.3V supply rail. The circuit includes a low battery shutdown to protect the Li+ battery and offers a convenient charging LED.