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LA5744MP - Monolithic Linear IC Separately-Excited Step-Down Switching Regulator

Description

1.

Overcurrent protection function The overcurrent protection function detects, on a cycle-by-cycle basis, the output transistor current and turns off that output transistor current if it exceeds 3.1A.

2.

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Full PDF Text Transcription

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Ordering number : ENA0587A Monolithic Linear IC LA5744MP Overview www.DataSheet4U.com Separately-Excited Step-Down Switching Regulator (Variable Type) The LA5744MP is a separately-excited step-down switching regulator (variable type). Functions • High efficiency. • Time-base generator (300kHz) incorporated. • Current limiter incorporated. • Thermal shutdown circuit incorporated. • Soft start circuit incorporated. Specifications Maximum Ratings at Ta = 25°C Parameter Input voltage Maximum output current SW pin application reverse voltage Allowable power dissipation Operating temperature Storage temperature * Specified circuit board : 76.1×114.3×1.6mm3 Symbol VIN IO max VSW Pd max Topr Tstg : Copper foil ratio 60% FR4 Mounted on a circuit board.* Conditions Ratings 30 3 -1 3.
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