LA5774MP

Ordering number : ENA0490 Monolithic Linear IC LA5774MP www.DataSheet4U.com Separately-excited Step-down Switching Regulator (Variable Type) Overview The LA5774MP is a Separately-excited step-down switching regulator (variable type). Functions Low-ESR capacitor with increased reliability applicable as the output smoothing capacitor. High efficiency. Four external parts. Time-base generator (160kHz) incorporated. Current limiter incorporated. Thermal shutdown circuit incorporated. Soft start circuit incorporated. 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 : 76.1×114.3×1.6mm3 : Copper foil ratio 60％ FR4 Recommended Operating Conditions at Ta = 25°C Parameter Input voltage range Symbol VIN Conditions Ratings 4.5 to 28 Unit V ■ Any and all SANYO Semiconductor products described or contained herein do not have specifications ■ SANYO Semiconductor assumes no responsibility for equipment failures that result from using products that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft’s control systems, or other applications whose failure can be reasonably expected to...