Current-Mode Step-Up DC/DC Controller
Description
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Constant-Frequency, Current-Mode Step-Up DC/DC Controller ADP1621
FEATURES
92% efficiency (no sense resistor required) ±1.0% initial accuracy IC supply voltage range: 2.9 V to 5.5 V Power-input voltage as low as 1.0 V Capable of high supply input voltage (>5.5 V) with an external NPN or a resistor VIN UVLO and 35 mA shunt regulator Exter...
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