LM2574DW-ADJ

Features of the LM2574DW-ADJ are:(1)3.3V,5.0V,12V,and adjustable output verions;(2)adjustable version output voltage range,1.23 to 37V ±4% max over line and load conditions;(3)guaranteed 0.5A output current;(4)wide input voltage range is 4.75 to 40V;(5)requires only 4 external components;(6)52kHz fixed frequency internal oscillator;(7)TTL shutdown capability,low power standby mode;(8)high efficiency;(9)uses readily available standard inductors;(10)thermal shutdown and current limit protection.

The absolute maximum ratings of the LM2574DW-ADJ  can be summarized as:(1):the rating is maximum supply voltage,the symbol is Vin,the value is 45,the unit is V;(2):the rating is ON/OFF pin input voltage,the value is -0.3 to +Vin,the unit is V;(3):the rating is output voltage to ground (steady state),the value is -1.0,the unit is V;(4):the rating is storage temperature range,the symbol is Tstg,the value is -65 to +150,the unit is ; (5):the rating is minimum ESD rating (human body model:C=100pF,R=1.5k,the value is 2.0,the unit is kV;(6):the rating is lead temperature (soldering,10 seconds),the value is 260,the unit is ;(7):the rating is maximum junction temperature,the symbol is TJ,the value is 150,the unit is .