MAX669 controllers equivalent, 1.8v to 28v input / pwm step-up controllers.
low operating current (220μA), adjustable operating frequency (100kHz to 500kHz), soft-start, and a SYNC input allowing the MAX668/MAX669 oscillator to be locked to an ex.
including step-up, SEPIC, flyback, and isolated-output configurations. Power levels of 20W or more can be controlled wit.
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