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LA5774 数据表(PDF) 1 Page - ON Semiconductor |
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LA5774 数据表(HTML) 1 Page - ON Semiconductor |
1 / 5 page 31407 MS PC B8-9090 No.A0742-1/5 http://onsemi.com Semiconductor Components Industries, LLC, 2013 August, 2013 LA5774 Overview The LA5774 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 Absolute Maximum Ratings at Ta = 25 C Parameter Symbol Conditions Ratings Unit Maximum Input voltage VIN max 30 V Maximum Output current IO max 3A SW pin application reverse voltage VSW -1 V Allowable power dissipation Pd max1 No heat sink 1.75 W Pd max2 Infinite heat sink 7.5 W Operating temperature Topr -30 to +125 C Storage temperature Tstg -40 to +150 C Recommended Operating Conditions at Ta = 25 C Parameter Symbol Conditions Ratings Unit Input voltage range VIN 4.5 to 28 V Ordering number : ENA0742 Monolithic Linear IC Separately-excited Step-down Switching Regulator (Variable Type) Ordering number : ENA0742 Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. |
类似零件编号 - LA5774 |
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类似说明 - LA5774 |
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