MAX653 converters equivalent, 5v/3.3v/3v/adjustable / high-efficiency / low iq / step-down dc-dc converters.
o High Efficiency for a Wide Range of Load Currents o 10µA Quiescent Current o Output Currents Up to 225mA o Preset or Adjustable Output Voltage: 5.0V (MAX639) 3.3V (MAX6.
For increased output drive capability, use the MAX649/MAX651/MAX652 step-down controllers, which drive an external P-ch.
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-widt.
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