器件名称:
LA5744
功能描述:
Monolithic Linear IC Separately-Excited Step-Down Switching Regulator (Variable Type)
文件大小:
76.91KB 共5页
简 介:
Ordering number : ENA0717C Monolithic Linear IC LA5744 Overview Separately-Excited Step-Down Switching Regulator (Variable Type) 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 Input voltage Maximum output current SW pin application reverse voltage Allowable power dissipation Symbol VIN IO max VSW Pd max1 Pd max2 Operating temperature Storage temperature Junction temperature Topr Tstg Tj max No heat sink Infinite heat sink Conditions Ratings 30 3 -1 1.75 7.5 -30 to +125 -40 to +150 150 Unit V A V W W °C °C °C * Specified circuit board : 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 Co.,Ltd. products described or contained herein are, with regard to "standard application", intended for the use as general electronics equipment (home appliances, AV equipment, communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace instrument, nuclear control device, burning appliances, transportation machine, tr……
