KA75&33 3.3V VOLTAGE DETECTOR The KA7533 prevents error of system from eupply voltage below normal voltage bevel at the time the power on and instantaneous power off in systems. FEATURES * Detecting against error operations at the power ON/OFF. Reaetting function for the low voltage microprocessor. Checking low battery. BLOCK DIAGRAM VOLTAGE DETECTOR TO-92 1:Input 2:GND 3:Output ORDERING INFORMATION Device Package Operating Temperature KA7S33Z TO-92 -30-~ + 75 Voc O- UNPUT) ] Vrer GND SAMSUNG 365KA7533 VOLTAGE DETECTOR ABSOLUTE MAXIMUM RATING (tT, = 25C) Characteristic Symbol Value Unit Supply Voltage Vee 00.3 ~ +15.0 Vv Detecting Voltage Voer 3.3 v Hysteresis Voltage Vurs 50 mV Operating Temperature Torr -30~+75 c Storage Temperature Tste -50~+ 150 c Power Dissipation Pp 200 mw Detecting Voltage Temperature Coefficient AVoeAT +0.01 H/T ELECTRICAL CHARACTERISTICS (1, = 25%) Characteristic Symbol Test Conditions Min Typ | Max | Unit Detecting Voltage Voet R, = 2000, Vo. 5 0.4V 315 | 3.3 | 3.45 Vv Low Output Voltage Vor R, = 200Q ~ - 0.25 Vv Output Leakage Current line Veco = 15V _ 041 BA Hystersis Voltage Vuve R, = 20002 30 50 4100 mV Detecting Voltage Temperature : AVoedAT | Ry = 200Q +01 wT Coefficient pefAT] Ry Circuit Current (at on time) lee Vee = Voetasmy - 0.05V =_ 300 500 BA Circuit Current (at off time) loon Voc # 5.25V _ 30 50 wa Threshold Operating Voltage Vincora R, = 2002, Vo, <0.4V 0.6 os 1.0 Vv L Transmission Delay Time tor Ry = 1.0KQ, C, = 100pF ~ 40 15 Bs H Transmission Delay Time ton R, = 1.0KQ, C, = 100pF 16 20 us Output Current (at on time |) lout Vec = Voeraany - 0.05V, Te = 250 10 18 28 mA j Vee = Voeracn ~ 0.05V, Output Current (at on time fi) loun Te = -30~+ 75 8 16 mA 366 ELECTRONICS