Tag Archives: Maxim

Maxim MAX1636 Low Voltage Step-down controller

 Package MAX1636 is a synchronous buck switch mode power supply controller for laptop CPU’s. Taken from a Apple Clamshell iBook from 2000. Packaged in a 20 pin DIP with 2000 week 35 date code.     Die Photo Die size … Continue reading

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Maxim 785 Power Supply Controller

Another chip from the clamshell iBook from 2000.  Another Maxim power chip, this time it is from the main PCB.   Its a MAX785C which I am pretty sure is a dual (3.3V & 5V) PWM buck regulator for laptop … Continue reading

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Maxim MAX675 Voltage Reference

Do you remember the clamshell iBook from around 2000?  In my opinion it was one of Apples best ever products. Rugged and one of the first laptops with mass user appeal. I used one for several years, it was a … Continue reading

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