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LA5777MP - Monolithic Linear IC Separately-excited Step-down Switching Regulator

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Ordering number : ENA0495A Monolithic Linear IC LA5777MP www.DataSheet4U.com Separately-excited Step-down Switching Regulator (5V) Overview The LA5777MP is a Separately-excited step-down switching regulator (5V). Functions • High efficiency. • Six external parts. • Time-base generator (160kHz) incorporated. • Current limiter incorporated. • Thermal shutdown circuit incorporated. • ON/OFF function. Specifications Parameter Maximum Input voltage Absolute Maximum Ratings at Ta = 25°C Symbol VIN max IO max VSW Pd max Topr Tstg Mounted on a substrate.* Conditions Ratings 30 3 -1 3.9 -30 to +125 -40 to +150 Unit V A V W °C °C Maximum Output current SW pin application reverse voltage Allowable power dissipation Operating temperature Storage temperature * Specified substrate : 76.1×114.
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