L4936N

® L4936N/NH DUAL MULTIFUNCTION VOLTAGE REGULATOR . . . . . . . . . . . . STANDBYOUTPUT VOLTAGEPRECISION 5V ± 2% OUTPUT 2 TRACKED TO THE STANDBY OUTPUT OUTPUT 2 DISABLE FUNCTION FOR STANDBY MODE VERY LOW QUIESCENT CURRENT, LESS THAN 250µA, IN STANDBY MODE OUTPUT 2 VOLTAGE SETTABLE FROM 5 TO 20V OUTPUT CURRENTS : I01 = 50mA, I02 = 500mA VERY LOW DROPOUT (max 0.4V/0.6V) OPERATING TRANSIENT SUPPLY VOLTAGE UP TO 40V POWER-ON RESET CIRCUIT SENSING THE STANDBY OUTPUT VOLTAGE POWER-ON RESET DELAY PULSE DEFINED BY THE EXTERNAL CAPACITOR EARLY WARNING OUTPUT FOR SUPPLY UNDERVOLTAGE THERMAL SHUTDOWN AND SHORTCIRCUIT PROTECTIONS Multiwatt 11 Multiwatt 15 ORDERING NUMBERS: L4936N (Multiwatt 11) L4936NH (Multiwatt 15) DESCRIPTION TheL4936N/NHare monolithic integrated dual voltage regulators with two very low dropout outputs and additionalfunctionssuchas power-onresetand input voltage sense. They are designed for supplying microcomputer controlled systems specially in automotive applications. PIN CONNECTION (top view) 15 14 OUT2 ADJ OUT1 SO N.C. N.C. RES GND EN N.C. CT N.C. SI VS1 VS2 11 10 9 8 7 6 5 4 3 2 1 OUT2 ADJ OUT1 SO RES GND EN CT N.C. SI VS1/VS2 13 12 11 10 9 8 7 6 5 4 3 2 1 TAB CONNECTED TO PIN 6 D94AT154 TAB CONNECTED TO PIN 6 D95AT155 June 2000 1/11 L4936N/NH BLOCK DIAGRAM VS1 VO1 REFERENCE REG1 1.23V VS2 EN REG2 VO2 ADJ 1.23V 2µ CT RES RESET 2.0V SI SENSE (optional) 1.23V SO GND D94AT143A THERMAL DATA Symbol Rthj-case Parameter Thermal Resist...