SL7101

SL7101 EARTH LEAKAGE CURRENT DETECTOR Description The SL7101 is designed for use in earth leakage circuit interrupters for operation directly of the AC Line in breakers. It contains pre regulator, main regulator, after regulator, differential amplifier, level comparator, latch circuit. The input in the differential amplifier is connect to the secondary node of zero current transformer. The level comparator generates high level when earth leakage current is greater than some level. Feature Low Power Consumption (P D=5mW) 100V/200V 100V/200V Common Built-in Voltage Regulator High Gain Differential Amplifier High Input Sensitivity Minimum External Parts Large Surge Margin Wide Operating Temperature Range (TÀ =-30 to 85°C) High Noise Immunity Pin Configuration (Top View) VR I N 1 2 3 OD 4 8 7 6 5 V + OS NR SC Absolute Maximum Ratings (T^=25°c) § § § § § Supply Voltage Supply Current Power Dissipation Operating Temperature Storage Temperature 20V 8mA 200mW - 30 to 85°C - 55 to 125°C Block Diagram SLS System Logic Semiconductor SL7101 Recomended Operating Condition: T A=-30°C to 80°C PARAMETER Supply Voltage Vs-GND Capacitor OS-GND Capacitor SYMBOL V Cvs Cos + MIN. 12 1 TYP. MAX UNIT V µF 1 µF Electrical Characteristics PARAMETER SYMBOL CONDTIONS V+=12V, VR - VI = 30 mV V+ = 16V, VR - VI = X V+ = 16 V, VR - VI = 30 mV VOD = 1.2 V V+ = 16 V, VR - VI = short VOD = 0.8 V lSI = 580µA V SC = 1.4 V lSI = 530µA V OS = 0.8 V lSI = 480µA V+ = 16 V V+ = l2...