L4962E

The L4962 is a monolithic power switching regulator delivering 1.5A at a voltage variable from 5V to 40V in stepdown configuration.The L4962E belongs to L4962 series.

Features of the L4962E are:(1)1.5A output current;(2)5.1V to 40V output voltage range;(3)precise (±2%) on-chip reference;(4)high switching frequence;(5)very high efficiency (up to 90%);(6)very few external components;(7)soft start;(8)internal limiting current;(9)thermal shutdown.

The absolute maximum ratings of the L4962E can be summarized as:(1):the symbol is V7,the parameter is input voltage,the value is 50,the unit is V;(2):the symbol is V7-V2,the parameter is input to output voltage difference,the value is 50,the unit is V;(3):the symbol is V2,the parameter is negative output DC voltage,the value is -1,the unit is V;(4):the parameter is output peak voltage at t = 0.1ms; f = 100KHz,the value is -5,the unit is V; (5):the symbol is V11, V15,the parameter is voltage at pin 11, 15,the value is 5.5,the unit is V;(6):the symbol is V10,the parameter is voltage at voltage at pin 10,the value is 7,the unit is V;(7):the symbol is I11,the parameter is pin 11 sink current,the value is 1,the unit is mA;(8):the symbol is I14,the parameter is pin 14 source current,the value is 20,the unit is mA;(9):the symbol is Ptot,the parameter is power dissipation at Tpins 90 (powerdip),the value is 4.3,the unit is W;(10):the symbol is Ptot,the parameter is power dissipation at Tcase 90 (heptawatt),the value is 15,the unit is W;(11):the symbol is Tj, Tstg,the parameter is junction and storage temperature,the value is -40 to 150,the unit is .