HT54123A Datasheet (HTCSEMI) - Earth Leakage Detector

HT54123A, Earth Leakage Detector

The HT54123 is designed for use in earth leakage circuit interrupters, for stable operation of the AC line in breakers.

The input of the differential amplifier is connected to the secondary coil of ZCT(Zero Current Transformer).

The amplified output of differential amplifier is integrated at externa

HT54123A Features

* Low Power Consumption PD =5mW, 100V/200V

* Built-in Voltage Regulator

* High Gain Differential Amplifier

* 0.4mA Output Current Pulse to Trigger SCR' S

* Low External Part Count

* DIP Package (8-DIP), High Packing Density

* High Noise Immunit