Simplified Block Diagram
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- 2 to 4 Li+ Cell Battery-Powered Devices
- Notebook and Subnotebook Computers
- PDAs and Mobile Communicators
A transformer on the 5V output generates a 12V auxiliary voltage capable of delivering 150mA. This auxiliary voltage is adjustable between 5V and 23V by changing feedback resistors R17 and R18.
The MAX1537 also has an internal fixed 3.3V and 5V linear regulator both capable of supplying 100mA.
The MAX1537 EV kit operates at 300kHz switching frequency.