LA5744 - Separately-Excited Step-Down Switching Regulator

Datasheet Summary

Description

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.

ON Semiconductor

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Datasheet Details

Part number	LA5744
Manufacturer	ON Semiconductor
File Size	65.53 KB
Description	Separately-Excited Step-Down Switching Regulator
Datasheet	LA5744 Datasheet
Additional preview pages of the LA5744 datasheet.

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Ordering number : ENA0717C LA5744 Monolithic Linear IC Separately-Excited Step-Down Switching Regulator (Variable Type) http://onsemi.com Overview The LA5744 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 Symbol Conditions Input voltage Maximum output current SW pin application reverse voltage Allowable power dissipation VIN IO max VSW Pd max1 No heat sink Pd max2 Infinite heat sink Operating temperature Topr Storage temperature Tstg Junction temperature Tj max * Specified circuit board : 76.1×114.3×1.

Published: Jan 20, 2016 |