MAXIM MAX639/MAX640/MAX653 handbook

Update: 30 September, 2023

The MAX639/MAX640/MAX653 step-down switching regulators provide high efficiency over a wide range of load currents, delivering up to 225mA. A current-limiting pulse-frequency-modulated (PFM) control scheme gives the devices the benefits of pulse-width-modulated (PWM) converters (high efficiency at heavy loads), while using only 10µA of supply current (vs. 2mA to 10mA for PWM converters).


Brand: MAXIM

File format: PDF

Size: 773 KB

MD5 Checksum: F4032ED0BC4B197D28FE0033977B5DC7

Publication date: 10 April, 2012

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PDF Link: MAXIM MAX639/MAX640/MAX653 handbook PDF

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