M5291FP

The M5291FP is a semiconductor intgrated circuit which is designed for switching regulator control.The device consists of a comparator,controlled pulse width oscillator(with peak current protection circuit),temperature compensated reference,and high current output switch.

Features of the M5291FP are:(1)the wide supply voltage range is 2.5 to 40V;(2)the low dissipation current is 1.4 mA;(3)the wide range of output voltage adjust is 1.17 to 40V;(4)the output switch current is 200mA;(5)the wide range of switching frequency is 100Hz to 100kHz;(6)the built-in peak current protection circuit.

The absolute maximum ratings of the M5291FP can be summarized as:(1):the symbol is VCC,the parameter is power supply voltage,the rating is 40,the unit is V;(2):the symbol is Pd,the parameter is power dissipation,the rating is 625,440,the unit is mW;(3):the symbol is Topr,the parameter is operating temperature,the rating is -20 to 75,the unit is ;(4):the symbol is Tstg,the parameter is storage temperature,the rating is -55 to 125,the unit is ;(5):the symbol is VIN,the parameter is input voltage,the rating is -0.3 to 40,the unit is V;(6):the symbol is VC(s),the parameter is switch collector voltage,the rating is 40,the unit is V;(7):the symbol is K,the parameter is thermal derating,the rating is 6.25,4.5,the unit is mW/;(8):the symbol is VE(s),the parameter is switch emitter voltage,the rating is 40,the unit is V;(9):the symbol is VCE(S),the parameter is collector emitter voltage,the rating is 40,the unit is V;(10):the symbol is VC(D),the parameter is driver collector voltage,the rating is 40,the unit is V;(11):the symbol is ISW,the parameter is switch current,the rating is 200,the unit is mA.